Showing Tag: "nickel" (Show all posts)

The difference between powder metallurgy and iron casting

Posted by tracy ma on Thursday, July 12, 2012, In : metal powder 

Powder metallurgies have unique chemical compositions, mechanical properties and physical properties. These properties can not be obtained by traditional casting methods. Porous, semi-dense or fully dense metal materials can be made by powder metallurgy technology, such as oil bearings, gears, cams, guide bar and tools. It is a little or non cutting process.

Powder metallurgy technology can minimize the alloy composition segregation, the elimination of coarse, uneven casting organization. It...


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Recovery system of silica fume and its practical application

Posted by tracy ma on Tuesday, July 10, 2012, In : metal powder 

In the process of smelting ferrosilicon and industrial silicon, there are micro silicon flue gases. Thousands of ferrosilicon and industrial silicon furnace can produce about annual 250,000 tons of silicon powders. But there are only a few factories are equipped with dust removal equipments. They can only trap less than 50,000 tons of silica fumes. The rests are directly discharged into the atmosphere. They cause both pollution on environment and huge economic losses. Flue gas treatment of fe...


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The weathering research of metal powder coatings

Posted by tracy ma on Monday, July 9, 2012, In : metal powder 

With the rapid development of national economy, metal powder coatings are increasingly applied in outdoor. As a protective and decorative powder coating, its weather resistance and durability has also aroused more and more attention, especially for the coating of ceiling, wall panels, drinking fountains, air conditioners, washing machines and aluminum. They will have a series of changes in natural environment. Its specific performances are glossy declining of bronze powder (FCu 663), dim colo...


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Preparation and characterization of silica coated ultrafine nickel powder

Posted by tracy ma on Thursday, July 5, 2012, In : metal powder 

Metal magnetic materials such as iron, cobalt, nickel, etc. are extremely important absorbing materials. They can make up for shortcomings of large proportion and imperfect high-frequency characteristics of ferrite magnetic materials. Bur such metal powder absorbing materials have the following disadvantages: prone to aggregation and poor single dispersion of the system. They impact seriously on absorbing microwave properties of the powders. Meanwhile, their oxidation resistance and acid alka...


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Classification and application of bronze powder

Posted by tracy ma on Wednesday, July 4, 2012, In : metal powder 

Bronze powder’s raw material is copper-zinc alloy. It is a metallic pigment with scaly structure, floating performance in bonding compound, gold luster and pigment nature.  It is produced in special machining and surface chemistry. The bronze powder is a metallic pigment. If the gold oil or vanish are added in bronze powder (FCu 663), the colorful gold oil and gold lacquer will form. It is widely used in the printing, textile, printing, construction, decoration, craft jewelry, metal sculptu...


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Non ferrous metal powder

Posted by tracy ma on Tuesday, July 3, 2012, In : metal powder 

Non ferrous metal powder refers to the metal powder and alloy. It doesn’t contain the ferrous metal. According to the classification of iron and non iron, it means metal powder and alloy powder excluding ferrous metal. The difference between the two classifications is only about chromium and manganese. Among nearly 70 kinds of elements of non-ferrous metals, the metal powder products with important application account for about 1/3.

The copper powder can be used as raw materials of powder ...


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The application of ultrafine copper powder

Posted by tracy ma on Monday, July 2, 2012, In : metal powder 

Chip multilayer ceramic capacitor is one of the most important electronic components in circuit. Multilayer ceramic capacitor is connected together by more than one single-layer capacitances. It is composed by inner electrode, dielectric material and terminal electrode. Copper has small resistivity and its electro-migration speed is slow. It also has an advantage of inexpensive price. Metal copper powder is the inner electrode of MLCC. It should have the following characteristics: good disper...


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Properties and uses of boron nitride powder

Posted by tracy ma on Thursday, June 28, 2012, In : metal powder 

Boron nitride powder is a white, insoluble and high temperature resistance material. It has futures of lubrication and easily absorbing moisture. It is composed of nitrogen atoms and boron atoms. The crystal structure is divided into hexagonal boron nitride powder, close-packed hexagonal boron nitride and cubic boron nitride powder. Boron nitride powder can be used as lubricant, electrolysis, resistance materials, additives and high temperature insulating material. And it can also be used as ...


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Disposal of condened silicafume

Posted by tracy ma on Wednesday, June 27, 2012, In : metal powder 

Disposal of condened silicafume refers to the collection of condened silicafume in the production of industrial silicon or Si-Fe alloy whose silicon content is greater than 75%. It is a comprehensive utilization process. The condened silicafume is the particles from oxidation and condensation of a large number of high-temperature SiO and Si gas in production of industrial silicon or Si-Fe alloy whose silicon content is greater than 75% greater. It is also known as silicon powder.

Smelting 75...


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Development situation of nickel powder in China

Posted by tracy ma on Monday, June 25, 2012, In : metal powder 

Since the mid-1980s, resources scarcity and environmental degradation promote the recycling of renewable resources including cobalt and nickel in advanced industrial countries. With the implementation of relating laws and regulations, China establish principles of minimize waste generation and the polluter pays for governance obligations. The waste recycling guidelines that producers and consumers bear the responsibility for cost of recycling and recovery officially start.

In recent years, r...


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Innovation of dust collection facilities in nickel powder processing

Posted by tracy ma on Wednesday, June 20, 2012, In : metal powder 

The dust adheres to the outer wall when dusty gas goes though the bag. The air is discharged into the atmosphere through the bag, the pipe and induced draft fan. Solenoid valve which is installed in the entry channel of compressed air is opened every 10min. The compressed air goes into the bag and shakes off dusts in outer wall of bags.

Due to the low intensity of paper bag used in dust removal device, it is easily damaged when the compressed air drum. Then the nickel powder goes into the at...


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Manganese powder suppliers still get good profits in the crisis

Posted by tracy ma on Tuesday, June 19, 2012, In : metal powder 

Currently, production costs of manganese powder are continued to be declined. The unit cost of finished manganese product has reached the best level in the history. Meanwhile, the production of Chinese finished manganese powder also reaches a new historical record. Due to no inventory of manganese powder, sales volume is not the highest. But because of the low cost, the profits of many companies are still good.

The main reasons of cost reduction are four main factors of stable production, lo...


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It is a long journey for Chinese copper powder to achieve internationalization

Posted by tracy ma on Monday, June 18, 2012, In : metal powder 

In recent years, Chinese copper powder industry has undergone earth-shaking changes and achieved gratifying results. The technology level of Chinese copper powder has been greatly improved each year. The growth rate of productivity ranks head in the world. The market share also has a large-scale expansion. Thus, some industry insiders are optimistic that the Chinese copper powder begins to reach international standards. In fact, they are too optimistic.

It should be soberly aware that compar...


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Physical characteristics of microsilica and its main purpose

Posted by tracy ma on Friday, June 15, 2012, In : metal powder 

The silica powder is a new functional mineral material from natural microcrystalline quartz. The microsilica ore is usually white or gray with excellent process performance. It is an excellent raw material for processing of high purity ultrafine silica powder. The refined powder is generally prepared by wet process. That means the high purity and good whiteness refined silica powder is got by crushing, washing, scrubbing, ultrafine classification. It is an indispensable inorganic mineral mate...


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When will China dominant the high end market of silicon powder

Posted by tracy ma on Wednesday, June 13, 2012, In : pharmaceutical raw materials 

The powder is a widely used product. It plays an irreplaceable role in a number of areas, especially in developing country China with huge market. Development of silicon industry has touched nerves of the industry. In China, there is a serious shortage of homegrown high-grade silica fume products. There are foreign goods filled in market. It has been an indisputable fact for a long time. Why does homegrown high-end silica fume stay in a long-term weakness? How to deal with the situation that ...


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Ultra fine copper powder will lead to a new reformation in friction and lubrication materials industry

Posted by tracy ma on Monday, June 11, 2012, In : metal powder 

Energy saving, environmental protection and climate changes have become the common problems and hot spots of economic development. Currently, one third of world's energy is consumed in the friction loss. Especially in the environment of growing tension of oil and coal resources, rising raw material prices and growing environmental pressures, the market proposes higher and more requirements for lubricating antifriction materials. The lubricants and greases with better lubricating properties, l...


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Application of manganese powder in metallurgical materials

Posted by tracy ma on Friday, June 8, 2012, In : metal powder 

Manganese and its compounds are commonly raw material for production of metallurgical materials. In 1950, the importance of manganese powder in metallurgical materials was recognized. Since then, manganese powder’s application in metallurgical industry is gradually expanding. Through the development of master alloy and pre-alloy technology, the metal powder supplier develops a series of high-strength sintered steels. And manganese powder plays an important role in other metallurgical materi...


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The main applications of ultra fine copper powder

Posted by tracy ma on Thursday, June 7, 2012, In : metal powder 

The ultra-fine copper powder is a new functional powder material. Comparing to a variety of new materials developed through scientific and technological means, it has a higher price/performance ratio. It can better reflect the basic concept ‘natural is the best’. Its special purpose and application potential bring unexpected changes for traditional industries. And it results in huge benefits.

In the machining industry, submicron ultra-fine copper powder (FCu) can combine with iron, alumi...


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Foundation and formation of micro metal powder technology

Posted by tracy ma on Wednesday, June 6, 2012, In : metal powder 

Chinese powder coating industry is moving toward maturity. Science and technology are primary productive forces. In the 21st century, China should step into the new areas. The main direction for metal powder coating is the finish of automobile industry. It creates an opportunity for automators in use of finish. If the metal can get macro particles, it would solve the problems of powder coating for finish. However, it should be pointed out that the metal powder coating’s micro particles is n...


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A great advance in industrialization of ultra fine copper powder

Posted by tracy ma on Monday, June 4, 2012, In : metal powder 

Among metal powder products, because of excellent physical and chemical properties, ultra fine copper powder has a wide range of potential applications. It becomes a basic functional powder material with high added value and larger scale. It is mainly applied in the production of powder metallurgy, electronic materials, friction materials, oil bearing, electrical contact materials, conductive materials, medicine, diamond products and machinery parts. In high-tech fields of petroleum catalysts...


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Usage and application cope of silica powder in coatings

Posted by tracy ma on Friday, June 1, 2012, In : metal powder 

In the coatings industry, particle size, whiteness, hardness, suspended, decentralized, low oil absorption, high electrical resistivity and other properties of silica powder can improve the corrosion resistance, abrasion resistance, insulation, high temperature performance of coatings. Silicon powder has good stability and plays an important role in the paint fill. In particular for exterior paint, SiO2 raw material plays an important role in weathering resistance.

With the growing prosperit...


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Production of atomized bronze powder

Posted by tracy ma on Thursday, May 31, 2012, In : metal powder 

Bronze powder is an important raw material for the production and use of powder metallurgy. International production of bronze powder began at 20 century. The production methods used at that time are restoring copper oxidation and electrolysis. After 1950s, there are new production methods for bronze powder: replacement precipitation and hydrometallurgy method. Then the atomization method emerges.

In 1958 China began the process of bronze powder (FCu 663). The production time of bronze powde...


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Comparison of performance and cost between water atomized metal powder and gas aromatized metal powder

Posted by tracy ma on Tuesday, May 29, 2012, In : metal powder 

Although the processing principles are the same, the physical properties of water atomized metal powder and gas aromatized metal powder have great differences, especially for shape. Gas’ heat capacity is smaller than water. So in the use of aerosol, chilling for metal is lower. If it is attacked by atomizing medium, the tiny droplets of liquid metal will not be solidified immediately. It gives the alloy droplet some contraction time to the ball, so it is easier for metal powder exporter to ...


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Eco efficiency analysis of boron powder production

Posted by tracy ma on Monday, May 28, 2012, In : metal powder 

The boron powder production is industrial metabolisms process. The resources and energy are transferred into products and discharges the waste. In this process, it inputs a variety of resources and energy and outputs products, various by-products and waste. For different boron powder production process, the input and output are different. Meanwhile, their material metabolisms are varied. They have different impacts on the environment.

The concept of eco-efficiency was first proposed in 1992 ...


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Nano metal powders play important roles in paper manufacturing

Posted by tracy ma on Friday, May 25, 2012, In : metal powder 

In the field of printing, nano metal powder has shown good results in the paper. Paper is most commonly used in printing and packaging materials. Merits of its quality reflect the quality of printed matter. Fibers of traditional trees, bamboo and hemp are thicker. Particles of coating (such as calcium carbonate), fillers (kaolin) is larger. Some plastic ingredients have bad performance. So traditional paper has some drawbacks. It does not have the characteristics of waterproof and moisture pr...


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Dispersion and preservation of bronze powder

Posted by tracy ma on Thursday, May 24, 2012, In : metal powder 

Usually, the standard bronze powder has good floating performance. It is not necessary to add a wetting agent or dispersing agent. It will reduce its floating performance. For specifically adjusting the floating properties of bronze powder (FCu 663), it can appropriately reduce its floating. But this will reduce the metal effect.

Through theadjustment of application viscosity and drying time to obtain the desired optical effect, the pigment particles is not a good alignment. It can add a var...


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Nano nickel oxide powder

Posted by tracy ma on Tuesday, May 22, 2012, In : metal powder 

Nano nickel oxide powders are good catalysts for the oxidation. Ni 2 + owns a 3D orbit. It has a preferred adsorption for multi-electron oxygen. It can active other reducing gas and catalyze O2 of reducing gas. In the decomposition of organic matter synthesis and the conversion process, such as gasoline hydrogenation cracking, hydrocarbons transformation in petrochemical treatment and the process of heavy oil hydrogenated, NiO becomes a good catalyst.

In the catalytic combustion of natural g...


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The use of nano copper particles

Posted by tracy ma on Monday, May 21, 2012, In : metal powder 

Nano copper particles in different sizes show purple or black color. They are without other colors mixed. They are spherical and have no obvious agglomeration. Copper nanoparticles have large specific surface area and a number of surface active centers. It is the excellent metallurgical and petrochemical catalyst. The nano-copper powder can be used for the conductive paste. 100 nano copper powder (FCu) producing by this method and dubbed the copper electronic suspensions can be sintered only ...


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New methods in production of fine fibers nickel powder

Posted by tracy ma on Friday, May 18, 2012, In : metal powder 

The fibers ultra nickel powder is widely used in the market. The high energy of the secondary battery of new Ni-Cd, Ni-MH battery lithium ion and tungsten carbide electrodes MCFC and SOFC type fuel cells, electromagnetic shielding materials, EMI and MLCC internal electrode material are all in widespread use of fine fibers nickel powder.

Currently, China and the United States, Japan and other developed countries imported a special volume of nickel powder from Canada metal powder supplier. Be...


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Sodium silicate and silica fume

Posted by tracy ma on Thursday, May 17, 2012, In : metal powder 

Water-glass is a combination of alkali metal silica and alkali metal oxides. It is also called as the sodium silicate. The type of the alkali metals can be divided in sodium and potassium silicate, sodium silicate. The formulas are Na2O.nSiO2 and K2O.nSiOz. N is called as water glass modulus. It is the ratio of silicon oxide and alkali metal oxide molecules in the water glass.

Silicon powder, sodium silicate measure important parameters, sodium, generally in the range of 3.5 to 1.5. , The fo...


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Outlook of silicon carbide powders

Posted by tracy ma on Tuesday, May 15, 2012, In : metal powder 

Silicon carbide powders are finally ready to move grinding dust by JZFZ machines. at present, silicon carbide powders are, about 1200# and 1500#. Silicon carbide powder has been used in the abrasives industry. There are special classifications for size od silicon carbide powders. No large sized silicon powder is allowed in microsilicion powder. According to requirement from international and domestic market, people often use JZF production equipment to make accurate classification. Silicon ca...


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Problems in copper powder preparation

Posted by tracy ma on Monday, May 14, 2012, In : metal powder 

There are many different problems in the preparation of copper powders. It can be reduced to three areas. It affects the quality of copper powder, the market and competitiveness of Chinese products. Thus, for industrial production of copper powder, to understand the problems are an important task.

First, the problem of raw materials. It results in poor material base provides. Later, when the distribution is required. This problem is most metal powder suppliers of copper powder are not paying e...


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Supply and quality standards of silicon powder

Posted by tracy ma on Friday, May 11, 2012, In : metal powder 

Silica fume is fine particles from cooling high SiO2 of submerged arc furnace in ferrosilicon or silicon metal production process. The silica fume is filtered and collected by collector. General micro-silica fume’s color is between light gray and dark gray. Its color depends on the carbon and iron oxide content. The higher the carbon content is, the darker the color will become. Color of encryption silica fume is darker than color of natural silica fume.

Fumed silica particles in the diffusi...


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Analysis of micron copper powder’s oxidation stability

Posted by tracy ma on Thursday, May 10, 2012, In : metal powder 

When the temperature increases, the copper powder’s weight increases, and raising amplitude of weight is larger. It indicates that the copper powder has poor oxidation resistance. Reason for weight increasing is that the surface of copper atoms generates copper oxides t with oxygen in the air. Due to the weak oxidation resistance under such high temperature, it greatly limits the application of copper powder.

Without the need for the preparation of copper and silver metal powder, silver powd...


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Micro silica’s application in electricity packaging material

Posted by tracy ma on Wednesday, May 9, 2012,

Electrical grade silica powder is an active silica powder. It is used for electrical products epoxy resin insulation seal packing. It can not only greatly increase the amount of fill, it is more important to reduce viscosity of the mixture system. It can also improve the processing performance, improve mixture permeability of thigh-voltage electrical coils, reduce shrinkage in the expansion coefficient of cured and curing process, feed the mixture between the coils heat sheets and improve cur...


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For preparation of ultrafine nickel powder though ethanol water system

Posted by tracy ma on Tuesday, May 8, 2012, In : metal powder 

Ultra-fine nickel powders with different morphologies and sizes are synthesized in ethanol water solution by liquid phase reduction method. The well-defined ultra-fine nickel powders are prepared by changing the concentration of aqueous solution of nickel salt and sodium hydroxide, or by changing the mole ratio between reactants and the reaction temperature. Under the conditions that copper sulfate as a nucleating agent, citric acid as a complexing agent, sodium tartrate as a dispersant, ultr...


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Notes of using bronze powder

Posted by tracy ma on Monday, May 7, 2012, In : metal powder 

Bronze powder is a floating flake pigment. With a certain proportion of copper, zinc and aluminum alloy in melt milling, it meets to required specifications. Bronze powder’s colors are: red and gold, green gold, green and red gold, bronze gold and so on. More coarse the bronze powder is, the stronger the sense of metal will be. And it becomes more flashing and brightness. If it is finer, sense of metal reduced, the color is gentler and hiding function is better.

Copper powder, with stirring,...


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The use of nano nickel powders

Posted by tracy ma on Friday, May 4, 2012, In : metal powder 

Nano-nickel powder can be used in the conducting paste. The nickel electronic pulp getting from50-nanometer-sized nickel powder can be sintered only 0.6 microns thick electrodes. It produces 1000 or more layers of MLCC and makes MLCC device miniaturization. The optimization of microelectronic technology instead of silver palladium and other precious metals electronic slurry can substantially reduce costs.

Nano-nickel powder can be used for hydrogenation reactions treatment of organic compo...


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Natural manganese

Posted by tracy ma on Thursday, May 3, 2012, In : metal powder 

Natural manganese powder is from the high-grade natural oxidation manganese ore. They are crumbled to a certain degree of fineness by manganese sub-sand mechanizing. It is for the use of chemical and battery industries and is the manganese ore’s primary processed products. Natural manganese powder processing needs less equipment investments. The process is simple and easy to spread. It is developed rapidly after 1970. The annual production reached 1.33 million tons. With the construction de...


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Application of silica fume in steel fiber jet concrete

Posted by tracy ma on Wednesday, May 2, 2012, In : metal powder 

At present, micro-silica fume is used for high strength concrete (HSC) in the worldwide. Generally it is more than 80MPa. But its first application in engineering was attributed to the tunnel. In the1970s and the 1980, with the silica fume and concrete mixture standards promulgated by Northern Europe and North America, the research and application of silica fume have rapid developments in worldwide.

Silica fume is to filter out the smoke of a furnace gas contains a large number of small amor...


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Reinforcing part of silica fume in concrete patching compound

Posted by tracy ma on Friday, April 27, 2012, In : metal powder 

Roads of metallurgical enterprises have a large number of reinforced concrete structures. Within these plants, every day they need to complete a lot of raw material and fuel transport, lifting and storage. And the transshipment, lifting, storage of these original fuel needs support from concrete structures. Daily load of the concrete structure is great. It inevitably causes the damages in transporting, loading, storage of raw material and fuel. Once surface of the reinforced concrete structur...


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Nickel and tin metal powder’s sintering properties

Posted by tracy ma on Wednesday, April 25, 2012, In : metal powder 

In recent years, powder metallurgy technique has become the world's fastest growing technology. Ni-Sn alloy has been a lot of modern industrial production, the Ni-Sn coating due to the appearance of a black coating and often gwynlliog color or black and white pearl coating. The nickel-tin alloy powder of the sintering characteristics of penetration of dust, by changing the sintering temperature and residence time. It forms nickel-tin intermetallic compounds at a suitable temperature and press...


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Industrial production of nano-nickel powder

Posted by tracy ma on Tuesday, April 24, 2012, In : metal powder 

In the international market, mass production methods of nickel powder are nano-chemical vapor deposition, nickel carbonyl nickel powder composition and density evaporation method. These methods require complex production equipment, the high cost of nano-powders of nickel. In the international market, the price is 1200 dollars in one kilogram. Laboratory preparation of nano-sized nickel powder requires the entire cost of $ 2,000 per kilogram, and the particle size is difficult to control and d...


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Production and market of copper powder and copper alloy powder

Posted by tracy ma on Wednesday, April 18, 2012, In : metal powder 

Foreign industrial copper powder production began in the 1920s. At that time, the main production processes are electrolysis and oxidation-reduction method. After 1950s, the replacement precipitation, water treatment method and atomization production process emerge. In 1958, China began production experiments of electrolytic copper powder. They got success in the mid-1960s. At present, China's copper powder (FCu) production processes are electrolysis, atomization and the reduction method.

P...


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Measurement of silica fume’s mobility

Posted by tracy ma on Tuesday, April 17, 2012, In : metal powder 

Mobility of silica fume is related with silicon content, but it is out of the proportion. For the same kind of silica fumes, some have good liquidity, while some simply do not have the liquidity. For testing, the dispersant must be added. If trimeric sodium phosphate does not work, P530 is available. If both of them do not work, the silicon powder can not be used in the refractory industry.

Simple approach can be used without encryption silica fume, 40 g water, 60 g of silica fume and 0.2 g...


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Metal powder rolling

Posted by tracy ma on Monday, April 16, 2012, In : metal powder 

Metal powder rolling refers to the powder forming method which makes the metal powder though two rotating roll and continuous rolling into the porous or dense strip. After the powder in contact with the roller surface, only when the roll rotation (from the centerline of two roll) come to an angle, the powder can be roll bite and go into the deformation zone. The roll center of metal powder and roller surface contact angle is known as the bite angle. Its size mainly depends on the state of pow...


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Discussion of nickel cobalt alloy powder’s application prospects

Posted by tracy ma on Thursday, April 12, 2012, In : metal powder 

With the rapid development of science and technology, people have different requirements for materials. Ultrafine particles have small size effect and surface effect. It aroused the interest of many researchers in a long time. The grain size is small and uniform, with low reunion, large surface area and high chemical activity. It provides a broad prospect for the development of new materials. Because Ni-Co alloy powder has special properties and special surface magnetic those are different fr...


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Powder forging process and its application

Posted by tracy ma on Wednesday, April 11, 2012, In : metal powder 

Powder forging process successful developed at the end of last century is an advanced metal plastic forming high-tech. It has the advantages of high-quality, high-precision, high efficiency, low consumption and low cost. It can meet the production requirements of low-carbon, energy saving and environmental protection in the 21st century. At the same time, it creates the need for rapid development of modern cars.

The end of the last century, foreign-developed a new type of metal plastic form...


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Price analysis of manganese powder

Posted by tracy ma on Tuesday, April 10, 2012, In : metal powder 

In order to obtain a greater investment return, Chinese companies have increased the scale of production and product quality. But from the international financial crisis, deteriorated exterior policy environment, raw material prices of upstream and downstream shrinking demand and many other adverse factors, they make the market conditions and price trends of manganese powder industry in 2012 win much concern. In 2010, Chinese manganese industry is developing rapidly and the Chinese manganese ...


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Application of silica fume in tire formulations

Posted by tracy ma on Thursday, April 5, 2012, In : metal powder 

The silicon dioxide powder is waste items collected from the ferrosilicon smelting process. The smelting silicon dust derived from the dry cleaning equipment with high silica content, high activity, high performance and versatile. The silica fume is tested as a reinforcing agent in tire formulations. The silica fume is used in the tire tread and carcass rubber formulations for semi-finished products and finished application. The results show that the silicon dioxide as an inorganic filler has...


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The performance exploration and decomposition of metal powder

Posted by tracy ma on Friday, March 30, 2012, In : metal powder 

Because the exist of distributing air spaces, characteristics of low permeability and constant magnetic permeability, the metal magnetic particles have been widely used in the field of power electronics and electronic information. With the development of the electronics industry, the requirements for miniaturization of electronic products also will be improved. So does the performance of metal magnetic particles which means that the new magnetic particles must have a high saturation magnetic ...


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Experience and summary of silica fume use

Posted by tracy ma on Thursday, March 29, 2012, In : metal powder 

Silica fume particles mixed with cement concrete can increase the concrete mixing tough soft sticky cohesion and hardened concrete fill density. It has significant ultrafine aggregate effect. In sharp condensation of gas, liquid and solid phase change process, silica fume’s formation is varied with large and small. The spherical particles with smooth surface will play the role of frictional resistance within the particles in the cement concrete. It will help spread the filling micro pores a...


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High value-added boron carbide powder and its preparation technology

Posted by tracy ma on Wednesday, March 28, 2012, In : metal powder 

The industrialization of high value-added boron carbide materials focus on the industrialization of the boron carbide ultrafine powders and high-performance boron carbide ceramics and realizes boron carbide ultrafine powders’ scale production and application. It will break through the monopoly foreign technology of large size, complex shape in carbon boron chest plate. Great progress has been made and after the milling of boron carbide coarse powder, the median size is about 1 micron. The c...


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Silica fume and its use

Posted by tracy ma on Friday, March 23, 2012, In : metal powder 

The powder is industrial dust from themolten ferro silicon, silicon-industrial scrubbing flue gases. China's ferro-silicon is the world's largest manufacturer of silicon-industrial. The latent resources of fumed silica in China reached more than 150,000 tons per year. In the early forties and fifties of 20th century, abroad countries have studied on the use of silica fume. Silica fume has been used extensively in many areas.

Fully closed electric furnace ferrosilicon generally wet flue gas...


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Low silicon electrolytic manganese metal and dehydrogenation passivation manganese powder

Posted by tracy ma on Thursday, March 22, 2012, In : metal powder 

One of the main purposes of the present manganese tetroxide EMM is to produce electronic grade. Manganese tetroxide ferrite is an important component of the soft magnetic material. Consistently the most modern in the world because of the rapid development in the electronics industry to improve product quality requirements for the production of electronic products, so the quality raw materials to create more high requirements. MN-Zn ferrite soft magnetic materials is the main raw material elec...


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Silica fume concrete’s demonstration in hydropower projects

Posted by tracy ma on Wednesday, March 21, 2012, In : metal powder 

Comparing with ordinary concrete, silica fume concrete has high strength and durability. But because of its water-cement ratio, cement content and bleeding difficultly, thus it is much easier to have plastic shrinkage than ordinary concrete. The early drying shrinkage and volume deformation is also greater than ordinary concrete. These intertwined factors result in early cracking technical problems in silica fume concrete construction.

Means to reduce the burden of the thermostat temperature...


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Applications of metal powder paints

Posted by tracy ma on Tuesday, March 20, 2012, In : metal powder 

The metal powder coating market is a very widely from automotive to toys, mechanical pencil. The electronics industry, to avoid the use of solvent containing, begins to use the color powder coating. The metal powder coating of the most successful commercial application of the principal market is as follows:

Because of reasons of quality, cost and environmentally friendly, the application of powder coatings in the automotive industry is growing. Who needs special protection resources decor it...


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Screening and impurity removal of silicon carbide powder

Posted by tracy ma on Monday, March 19, 2012, In : metal powder 

Silicon carbide powder is widely used in refractory, wear-resistant floor, ceramic foam, specialty coatings, corrosion-resistant paint, off-flow environmental protection and the PV industry. The green silicon carbide is applied in the PV industry. The market utilization rate of green carbide silicon powder will increase in the next few years.

Silicon carbide powder generally uses ultrasonic shaker screen agglomeration and large particles to improve the quality of the silicon carbide powder. ...


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The application of silica fume in refractory industry

Posted by tracy ma on Friday, March 16, 2012, In : metal powder 

Silica fume is a new raw material. There is more than 40 years’ history for it using in refractory improvement. It is widespread used in the refractory industry. Silica fume have an important role in the improvement of unshaped refractories. It mainly improves the strength. There are numerous pores in traditional refractories. Silica fume can significantly improve the strength of traditional refractories, bulk density and lower porosity filling the pores. Silicon powder improves the casting...


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Application of copper powder metallurgy products

Posted by tracy ma on Thursday, March 15, 2012, In : metal powder 

Copper powder can be produced though the water atomization, gas atomization process and the oxidation-reduction method. And its shape is spherical or irregular shape. Physical properties of atomized powder (such as: bulk density, mobility, particle size and green strength) is related with the process conditions, such as: specific additives, melting temperature, atomization pressure, the reduction temperature and post-processing of powder. Redox median diameter of powder through oxidation redu...


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The breakthrough of automotive parts dilemma situation is relate with powder metallurgy technology

Posted by tracy ma on Wednesday, March 14, 2012, In : metal powder 

The capability of independent innovation of China’s auto parts enterprises is still weak. The patent application is still in its infancy and the brand value of China's auto parts is low. Part product’s systematic and modular level is not high. And with the unreasonable product structure, the development of current parts industry has lagged far behind the automotive industry. Such as engine parts connecting rod and camshaft have lag technologies. They also affect the rapid development of a...


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Property and application of high purity boron powder

Posted by tracy ma on Tuesday, March 13, 2012, In : metal powder 

The high-energy boron fuel propellant is the first ammunition choice in new generation long-range air-to-air missile ramjet engine. It can meet the high-speed, remote and small size and the performance requirements for air to air missiles. At present, though coating, adhesives, reunion and other methods, China solves the technology problem of low-purity boron powder application in the fuel-rich propellant. But the amount of coating boron powder is limited in propellant and particle control te...


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The development of silica fume market

Posted by tracy ma on Monday, March 12, 2012, In : metal powder 

Silica fumes are relatively unfamiliar for Chinese people. But if talking about its use, it is a cornucopia to be developed. Development and utilization of foreign micro-silica fume has a 40-year history. The comprehensive utilization of silica fumes only has10 year’s history. The main use of the silica fume is in the field of refractories and concrete. The refractory only confines to the amorphous part. In recent years, with the gradually promotion, micro-silica fume is applied in the proj...


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Production process of metal silicon powder

Posted by tracy ma on Tuesday, March 6, 2012, In : metal powder 

Silicon is widely distributed in the earth's crust. It is about a quarter of the total crust. Silicon has a wide range of application in daily life. Modern-tech frontier is also inseparable from it. With the continuous development of science and technology in future, the application of the silicon seems more and more important. The applicability and economy of the silicon can be predicted.

Finished silica fume is got from the industrial processing of silicon blocks. It can be divided as pow...


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R & D of Chinese titanium powder technology gets remarkable achievements

Posted by tracy ma on Friday, March 2, 2012, In : metal powder 

With the rapid development of science and technology in recent years, more and more titanium and titanium alloy powder is widely used in various high-tech fields, industrial production and people's lives. The international demand is also growing. The market prospects are very broad. Especially the United States and Japan has constant growth in demand for titanium. Chinese titanium annual demand is about 2.5 to 3 million tons and Chinese annual titanium production is only 1,500 to 2,000 tons. ...


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The Application of Micro Silicon Powder in Construction Industry

Posted by tracy ma on Friday, December 30, 2011, In : metal powder 
Micro silicon powder is the material with broad application and bright future in world's high-tech fields. It can be widely used in chemical, metallurgical and other industries. Using in the cement and concrete to improve the performance of cement or concrete, preparing with a high, high strength, wear resistance, erosion, corrosion, anti-penetration, frost, early strength special cement concrete or composite to suit oilfield cementing, marine oil drilling platforms, harbor terminals, railway...
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The Nature and Function of Magnesia

Posted by tracy ma on Friday, December 30, 2011, In : Titanium dioxide 
Magnesia is a white powder existing in free state magnetite in nature. The main component of magnesia is carbonate magnetite. Dolomite’s main component is the crystals of MgCO3 CaCO3, accounting for 3.65-3.9 in artificial marble.The melting point is 2800 and the relative molecular weight is 40.3, according to the different production processes and purposes, it can be divided into following categories:
1. Calcined magnesia is parted according to operating temperature points: the magnesite...

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Basic Information and Counter Measures of Copper Powder

Posted by tracy ma on Monday, December 26, 2011, In : metal powder 
Copper powder is one kind of metal powder.Its formula is Cu and the molecular weight is 63.55.A component of harmful substances in copper is the CAS No.
taking in too much  copper fumes can cause a lot of metal fume fever. Patients has the feeling of chills, fever, accompanying by respiratory tract irritation. Workers with  long-term exposure to copper dust can get
Contact allergic rhinitis  and nose, eye irritation, causing sore throat, cough, nasal congestion, rhinitis, and even leading to n...
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Basic Knowledge of Barium Titanate

Posted by tracy ma on Monday, December 26, 2011, In : Titanium dioxide 
Barium titanate is a mixed oxide of barium and titanium. The formula of Barium titanate is BaTiO3. Barium titanate is one kind of material of ferroelectric ceramic, and it is of piezoelectric properties and light refraction. There are five crystal structures when it remains solid-state. According to the temperature, they are: the six-party, the axes, the square, the orthorhombic and the trigonal. In addition to other axes, the structures of the rest are presenting ferroelectricity.
Barium tita...

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Nickel Powder’s Basic Information and Industrial Application

Posted by tracy ma on Friday, December 23, 2011, In : metal powder 
Nickel powder, or nickel flak powder is used for making non-ferrous alloy, extraction temperature, antioxidant materials, magnetic materials, it can also be used as a hydrogenation catalyst on chemical reactions. Packaging of it: The inner lining bags with protective gas. There is iron drum outside.
It is metallic pigment composing of
nickel, including nickel powder and flaky nickel powder. The former is distilled and purified using nickel carbonyl [Ni (CO) 4] vapor decomposition, by controlli...
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Magnesium and magnesium alloys

Posted by tracy ma on Wednesday, December 21, 2011, In : Titanium dioxide 
Magnesium and its alloys have many excellent physical and mechanical properties, high specific strength and stiffness, easy cutting, easy to cast, good shock absorption and can withstand greater shock and vibration loads, good electrical and thermal conductivity, magnetic shielding performance, is an ideal modern structural materials, is now widely used in automobiles, machinery manufacturing, aerospace, electronics, telecommunications, military, optical instruments and computer manufacturing...
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Chinese metal powder production status in recent years

Posted by tracy ma on Tuesday, December 20, 2011, In : metal powder 
In recent years China's economy stable and rapid development. Automobile (motorcycle), household appliances, metallurgy, chemical and other major industries led to the development of powder metallurgy industry. Iron base, copper base metal powder as its raw material must achieve a great development. China iron production plant into production statistics has reached 30 units (more than a dozen small-scale production did not enter the statistics). Iron-based powder production has exceeded 2.2 m...
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About non-conductive vacuum metallization film

Posted by tracy ma on Tuesday, December 20, 2011, In : Titanium dioxide 
The so-called non-conductive vacuum metallization film, in essence, the product surface layer physical vapor deposition of metal or metal compound film, the surface of the product has a metallic luster and color and asked that the film has a greater resistance (not entirely non-conductive), the general White is not the silver-based conductive film, as well as part of the conductive film on the surface of silver is not a variety of color shading. Here, I mainly talk about the high demand for s...
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Preparation of ultra-fine metal powder

Posted by tracy ma on Friday, December 16, 2011, In : metal powder 
For the small size and large surface area of ultra-fine metal powder, it has obtained a number of metal parts different from the conventional nature of the material, such as excellent mechanical properties, the special magnetic properties, high conductivity and diffusivity, high reaction activity and catalytic activity, etc. These special properties make ultra-fine metal powder materials in aerospace, ships, automobiles, metallurgy, chemical industry has been more widely used. For example, in...
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Brief introduction of ITO conductive glass

Posted by tracy ma on Friday, December 16, 2011, In : Titanium dioxide 
ITO conductive glass is based on the glass of sodium, calcium boron or silicon substrate, and based on the use of magnetron sputtering coated with a layer of indium tin oxide (commonly known as ITO) film into manufacture. Resolutions ITO conductive glass, but also in the ITO layer prior to plating, plated with a layer of silicon dioxide barrier layer to prevent the glass substrate to the box on the LCD in the sodium ion diffusion. Dedicated high-end LCD monitors in the sputtering of ITO glass...
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Part of the technical application of powder metallurgy

Posted by tracy ma on Thursday, December 15, 2011, In : metal powder 
Metal powder is porous materials widely used in many things such as lightweight structural materials, high temperature filters, membranes, etc. The biggest market maybe is the smoke filtration device of diesel engine. Germany's Fraunhofer Institute has developed a metal hollow sphere preparation technique, the polymer substrate coated metal powder slurry, and then de-coating polymer matrix and binder, and finally sintered into a variety of metal sphere with a hollow structure . 1mm diameter s...
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Process of plastic coating

Posted by tracy ma on Thursday, December 15, 2011, In : Titanium dioxide 
Although plastics can replace metal in many occasions, but it is clear that it lack of metallic texture. For this, it need to adopt a certain way, in the plastic surface coated with a layer of metal (aluminum, Zinc oxide, copper, silver, gold, chromium, etc.), a method is similar plating and electroplating methods, the other is directly on the plastic surface of the vacuum deposition of metal - that is, in a vacuum, the metal melted to form molecules or atoms deposited on the plastic surface ...
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Overview About World Powder Metallurgy Industry

Posted by tracy ma on Wednesday, December 14, 2011, In : metal powder 
In 2003 the global total of about 880,000 tons cargo powder, which the United States accounted for 51%, Europe 18% Japan 13%, 18% in other countries and regions. Total iron powder for more than 90% of the total. Since 2001, world iron market continues to grow, an increase of nearly 4 years to 20%.
Automotive industry is still the largest powder metallurgy industrial development and the largest power users. On the one hand the increasing automobile production in the other hand, metal powder met...

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Brief Introduction of Optical Thin Films

Posted by tracy ma on Wednesday, December 14, 2011, In : Titanium dioxide 
Film is very common in nature. For example, the bubble surface film, the surface of oil droplets will form a so-called thin-film optical effects, and it will separate light colors. In some biological species, there will be a special film structure formation. For example, the eyes of some nocturnal animals within the tapetum lucidum(such as dogs, sharks, cat). The wings of bee and dragonfly, is a thin film formation also.
There are two main optical thin film research, thin film optics and thin ...

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Types and use of functional powder coatings

Posted by tracy ma on Tuesday, December 13, 2011, In : metal powder 
Powder coating to powder coating and coating pattern of the formation, solid points can amount to 100%, because do not use solvents, so can reduce the pollution of the environment and save resources, and has the recovery features. Functional powder coating is a special function, to provide special-use surface coating materials. It not only can play the traditional role of protection and decoration, also gives the material a variety of special features, including insulation, electrical conduct...
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The cleaning before glass coating

Posted by tracy ma on Tuesday, December 13, 2011, In : Titanium dioxide 
Coated glass for architectural glass are generally coated film. We called the film thickness which is less than 1um film, the film thickness is higher than 1um thick film coating process is called with different materials on the substrate surface to form a new surface method. Many coating methods, vacuum evaporation, vacuum sputtering, chemical reduction, sol-gel method. It requires to have a very strong film adhesion, adhesion is not strong is called coverage. To obtain strong adhesion, it i...
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The use of brass

Posted by tracy ma on Monday, December 12, 2011, In : metal powder 
Brass is composed of copper and zinc alloy. If only by copper, zinc and called the general composition of the brass on brass. If it is made up of two or more elements of a variety of special alloy called brass. If the lead, tin, manganese, nickel, lead, iron, silicon alloy composed of copper. Brass has a strong wear resistance. Special brass called special brass, it is high strength, hardness, resistance to chemical corrosion. There machining of mechanical properties are more prominent. The p...
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Brief introduction of decorative coating and functional coating

Posted by tracy ma on Monday, December 12, 2011, In : Titanium dioxide 
Decorative coating film is divided into watches, metal-ceramic composite membrane (CCF), colorful film. Surface treatment for table with IPG, IPS, IP Black, IPR (rose gold), IP titanium, IP tungsten steel, IP coffee, and T / T; metal-ceramic composite membrane (CCF) can be used in watches, hardware , electronics, precision machinery and equipment and other fields of surface treatment products; colorful film is prepared in the crystal, topaz, zircon and other precious or semi-precious stones o...
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Variety of metal powder coatings and manufacturing processes

Posted by tracy ma on Friday, December 9, 2011, In : metal powder 
Metallic aluminum powder coating is the most important species of metal powder coating. Metallic aluminum powder coating according to appearance of the coating is divide into flat metallic coating, metal coating powder coating; film grain-like pattern, hammer and metal gloss texture powder coating. Can be used for metal aluminum powder coating film-forming materials are epoxy, polyester epoxy, polyester, polyurethane and acrylic resin, with the main varieties of domestic polyester resin, epox...
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Glass lens material

Posted by tracy ma on Friday, December 9, 2011, In : Titanium dioxide 
Lens material is transparent media, divided into two broad categories of inorganic and organic. In our daily lives will come across a natural medium crystal lens, which is made of quartz ore grinding lenses. Ancient crystal beauty eyesight can say, but in fact the main component is silicon dioxide crystal (sio2), the biggest advantage is hard and difficult to damp high, but the ultraviolet and infrared transmittance is high, and crystal density uneven, with impurities, striped and bubble unti...
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Manufacture of diamond tools for metal powder sintering

Posted by tracy ma on Thursday, December 8, 2011, In : metal powder 
Nowadays, diamond tools used in the manufacture of metal powder is mixed powder - except only cobalt powder. Cobalt powder in the sintered diamond tool used alone, without adding any other powder. Mixed metal powder composition as the use of diamond tools and different. Understandably, when the diamond saw blade when cutting hard granite metal powder and mix required for cutting soft marble is different also, hard steel for honing and dressing diamond tools used in silicon carbide grinding wh...
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The research of glass coatings

Posted by tracy ma on Thursday, December 8, 2011, In : Titanium dioxide 
Organic coatings in the process of application of glass surface, the durability is the key of organic coating to improve various properties of glass (mainly to improve the chemical, physical and optical properties that three aspects of the glass).
Lee Donghun and some other people use the DRIFT optical technology such as the use of different study carboxyl-containing polymer and glass surfaces with each other mechanical action, found that when the oleic acid applied to SLS glass (sodium carbon...

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Brief introduction of metallic pigments

Posted by tracy ma on Wednesday, December 7, 2011, In : metal powder 
Metal is defined as: a unique sheen and opaque (to visible light reflected strong results), rich malleability, ductility and thermal conductivity, electrical conductivity of this type of material. Commonly used metals are aluminum powder, manganese powder, zinc powder, lead powder, metal powder alloy in the form of copper zinc powder (commonly known as powder), zinc aluminum, stainless steel powder.
Compared with other pigments, metallic pigments has its particularity. As the powder paint to m...

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Several major production about coated glass used in China

Posted by tracy ma on Wednesday, December 7, 2011, In : Titanium dioxide 
Currently, the use of coated glass in China, mainly produce the following ways: 1. Vacuum evaporation coating: using thermal evaporator vacuum coating machines produce coated glass, as the overall production is carried out intermittently, often after cleaning the glass part of the workshop need to wait some time before the coating chamber coating, At this point, the glass will be secondary pollution, resulting in contaminated parts of the film plated easy to fall off, the film uniformity is p...
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Short process of powder metallurgy technology

Posted by tracy ma on Tuesday, December 6, 2011, In : metal powder 
Technology of powder metallurgy parts near net shape powder metallurgy workers has long been one focus of the study subjects. Over the past decade, the study of new technology, new technology after another. These new technologies, the emergence of new technology to solve the short-flow low-cost powder metallurgy materials forming problems, greatly contributed to the rapid development of powder metallurgy parts. Currently, powder metallurgy parts manufacturing technology development is to incr...
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Lens coating and cleaning

Posted by tracy ma on Tuesday, December 6, 2011, In : Titanium dioxide 
The ability of resilience of light about photographic lens, just as other types of lens performance such as resolving power, contrast, color reduction, vignetting and distortion, etc. is an important indicator to measure the performance of the lens. Modern lens design requires the ability to adapt to a variety of shooting conditions, especially in backlit conditions in the field of photography, the camera's ability resilience very high light requirements.
Usually in backlit conditions in the p...

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The benefits of powder metallurgy

Posted by tracy ma on Monday, December 5, 2011, In : metal powder 
Powder metallurgy is a system of metal or metal powder (and non-metallic powder or metal powder mixture) as a raw material, forming and sintering, the manufacture of metal materials, composite and various types of products, technology. Production of ceramics and powder metallurgy method is somewhat similar, therefore, a series of powder metallurgy technology can also be used for the preparation of ceramic materials. As the advantages of powder metallurgy technology, it has become the key to s...
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What are the advantages of coated lenses

Posted by tracy ma on Monday, December 5, 2011, In : Titanium dioxide 
Coated glasses is the use of optical thin film and vacuum technology, surface coated with a layer of the lens material, to improve the ability to reflect light lens, serve to enhance or reduce the role of light through. There are two coated glasses: one is reflective filter chip: the lens surface gold, silver, zinc sulfide, etc. Coating can reflect visible light, infrared, and r-ray, the eyes play a protective role. The other is anti-reflective lens piece by: magnesium fluoride coating on the...
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China Powder Metallurgy Industry Status

Posted by tracy ma on Friday, December 2, 2011, In : metal powder 
China Powder Metallurgy industry started in the early 1950s, basically with those of Japan, but in terms of its growth rate, significantly behind Japan, and North America, Europe, the gap is even greater. Experienced half a century of business development, on the basis of independent development, through the "75", "85", "95" technological innovation and technology transfer, that has developed a complete range of products, there is a certain scale of production and emerging scientific and tech...
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The application of nano-nickel oxide

Posted by tracy ma on Friday, December 2, 2011, In : Titanium dioxide 
Nano nickel oxide has widespread applications, the following describes the application of relatively broad areas: 1. Catalyst. As the nano-nickel oxide has a large surface area, in many transition metal oxide oxidation catalyst has good catalytic properties of nickel and nickel oxide nano-composite with other materials, its catalytic effect can be further strengthened. Some rules for the use of a skeleton wrapped in nano-pores of the silica composites of nickel oxide NiO catalytic oxidation o...
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The great potential of chinese powder metallurgy technology market

Posted by tracy ma on Thursday, December 1, 2011, In : metal powder 

The current Chinese auto parts enterprises not only face the fierce impact of multinational and domestic enterprises homogeneous competition, as well as the cost of raw materials and downstream extrusion host and distributors to continuously improve product quality standards. And most of China's auto parts business situation is the low level of specialization, product development ability. Enterprises do not have the vast majority of parts capabilities of product development, product developme...


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The role of the lens coating

Posted by tracy ma on Thursday, December 1, 2011, In : Titanium dioxide 
Optical coating on the lens of the optical coating is a very important part of the surface of the glass will reflect light, if more oblique angle of incidence, then, possible loss of more than 20% of the light! This is just a loss of face, in fact, even the camera lens is at least the early telescope has two heads, a total of four faces. As a loss of light is very impressive. If a known f2 lens, but not coated, then six or seven reflections off the surface, the aperture may be only 2.8. So ma...
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Introduction of metal powder

Posted by tracy ma on Wednesday, November 30, 2011, In : metal powder 
Metal powder is less than 1mm of the metal particle size groups. Including single metal powders, metal alloy powder and a refractory nature of some of the compound powder, powder metallurgy is the main raw material.
Preparation of metal powders and application of ancient origin. Ancient times have used gold, silver, copper, bronze and some of its oxide powder to make paint for pottery, jewelry and other apparatus coloring, decoration. Early 20th century, Americans Kuli Ji (WDCoolidge) with hyd...

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High quality of optical coating

Posted by tracy ma on Wednesday, November 30, 2011, In : Titanium dioxide 
Because of the high-energy sputtered atoms, the density of ion beam sputtered thin-film material used and the density is very similar. In between each process, the density has a very high repeatability. Note that there may be many deposits have amorphous or semi-crystalline materials. For optical coatings, it is often very beneficial, because it reduces the effect of birefringence.
A key feature of the optical coating is its surface quality. Optical surface quality determines the performance o...

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The basic formulation design of metal powder vibrating screen

Posted by tracy ma on Tuesday, November 29, 2011, In : metal powder 
Vibrating screen in the metal powder, especially the role of screening in the abrasive has no substitute! By following the basic metal powder coating formulations designed to look at the metal powder in the paint Vibrating screen application.
Metal powder coating formulation involves many factors, mainly the product of metal color (metallic paint varieties), film art effects (surface or texture), the production process (extrusion or dry mix), curing conditions (oven or bake Road, room temperat...

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Vacuum evaporation coating method

Posted by tracy ma on Tuesday, November 29, 2011, In : Titanium dioxide 
Evaporate plating method of resistance evaporation source. The use of tantalum, molybdenum, tungsten and other high melting point metal, made of the appropriate shape of the evaporation source, the load on the material to be evaporated, so that air flow through, direct heating of the evaporated material evaporation, or the material to be evaporated into the alumina, beryllium oxide and other indirect heating in the evaporation crucible, which is the resistance heating evaporation method.
Evapo...

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The concept of powder metallurgy

Posted by tracy ma on Monday, November 28, 2011, In : metal powder 
Powder metallurgy is a branch of metallurgy, which include: Preparation of metal powders; metal powder or metal powder and non-metallic powder mixtures, and the forming and sintering of metal and metal - non-metallic materials and products . Manufacture and use of metal powder, experienced a very long time. Early mechanical crushing method with the gold, silver, copper and bronze powder, pottery and other utensils used for more decorative coatings. Half of the 18th century and l19 hal...
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The principle and characteristics of coated glass

Posted by tracy ma on Monday, November 28, 2011, In : Titanium dioxide 
Coated glass is coated on the glass surface of one or more layers of metal, alloy or metal compound film to change the optical properties of glass, to meet certain requirements.
Coated glass according to the different characteristics of products can be divided into the following categories: heat-reflective glass, low-emissivity glass (Low-E), conductive film glass. Heat-reflective glass is usually coated on one or more layers of glass, such as chromium, titanium or stainless steel and other me...

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Metal powder compacting the diamond head of circular saw blades

Posted by tracy ma on Friday, November 25, 2011,
Currently, the manufacture of diamond saw blades blade using powder metallurgy method common in foreign countries pressing process. There are several aspects of the process disadvantages: 1) the process used in manufacture of diamond cutter head ask for a higher grade; 2) suppress the head of the matrix metal powder formulation design and process requirements more stringent, or diamond-off phenomenon will very common, resulting in great waste; 3) diamond powder metallurgy production process w...
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Short introduction about technology of antireflection film coating

Posted by tracy ma on Friday, November 25, 2011, In : Titanium dioxide 
In an interview before the lens coating must be pre-cleaning, this cleaning requirement is very high, at the molecular level. Were placed in the cleaning tank of cleaning fluid, and the use of ultrasound to enhance the cleaning effect, when the lens after cleaning, into the vacuum chamber, in the process should pay special attention to avoid the air of dust and garbage and then adhered to the lens surface. The final cleaning is in a vacuum chamber, in the process should pay special attention ...
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Thermal spray powder production technology and equipment

Posted by tracy ma on Thursday, November 24, 2011, In : metal powder 
In the welding industry, often use a variety of alloy powder. They are used for brazing various pure metals and alloy powders for thermal spraying of iron, nickel, cobalt-based alloy powder and other types for tubular welding wire alloy powder.
Thermal spraying is a surface enhancement technology, China has been the focus of the promotion of new technology projects. It uses electric arc, plasma arc, gas, a form of oxygen, heat, metal or non-metallic material is heated to a molten or semi-molte...

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Technology and function of lens coating

Posted by tracy ma on Thursday, November 24, 2011, In : Titanium dioxide 

How many things do you know about the lens? With the aspects of economic and technological development, the performance of the lens is now slowly and tend to perfection, and today we give you about the lens coating technology, which is targeted and to the previous lack of lens design, is well known that the lens by its own light transmittance, leading to a clear vision decline in the quality and affect the appearance of the wearer, such as: the appearance of vortex clear lens, photography ref...


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Introduction of metal powder injection molding technology

Posted by tracy ma on Wednesday, November 23, 2011, In : metal powder 
Metal Powder Injection Molding (referred to as MIM) is a modern plastic injection molding technology into the field of powder metallurgy and the formation of a new powder metallurgy near-net shape forming technology. The basic process is: First, the solid powder and organic binder uniform mixing, the pellet after heating plastics in the state (~ 150 ) with the spray forming into the mold cavity stereolithography machine, then use chemical or thermal decomposition method will be blank in th...
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The type of lens coating

Posted by tracy ma on Wednesday, November 23, 2011, In : Titanium dioxide 
Chemical coating method: 70 years ago, coating method based largely on chemical reactions. This method must strictly control the concentration of chemical solution, a combination of cross-linking agent, reaction time and conditions. Because, only batch production, quality and yield obtained, the Senate defect missing. Commonly used processing method: a method for the dip, and the other was spraying method. For dipping method is based on the configuration properties of the membrane preparation...
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The rapid prototyping technology of metal powder

Posted by tracy ma on Tuesday, November 22, 2011, In : metal powder 
The rapid prototyping technology of metal powder is a advanced manufacturing technology which including computer-aided design, laser cladding, rapid prototyping, and it is the traditional processing methods of forming an important supplement. This paper systematically describes the metal powder the principle of laser rapid prototyping, system components and the latest research, and its development prospect.
Rapid prototyping technology is developed since 1987 an advanced manufacturing technolo...

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Technology about antireflection film coating

Posted by tracy ma on Tuesday, November 22, 2011, In : Titanium dioxide 
Organic lens coating high difficulty than glass lenses. Glass can withstand temperatures above 300 ° C, while the organic lens in more than 100 ° C, will be yellow, and then quickly break down. Glass lenses can be used for antireflection coating materials commonly used magnesium fluoride (MgF2), but magnesium fluoride coating process must be above 200 ° C in the environment, which otherwise can not be attached to the lens surface, so the organic lens does not use it.
After the 1990s, with t...

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Classification and wear solutions of automotive coatings

Posted by tracy ma on Monday, November 21, 2011, In : metal powder 

Owners should just hand the car will miss that period of time, if not super-luxury cars to run, beautiful car driving on the street is radiant, passers-by turned back to win. The good times are always short-lived, with a period of time, go through rain and wind, shifting sand, water, acid rain, bird droppings, industrial, dust, UV rays and other natural factors against, plus bad car wash (alkaline washing liquid, car wash scratches), frequent washing, waxing and other human factors, aging and...


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Situation of chinese optical film industry

Posted by tracy ma on Monday, November 21, 2011, In : Titanium dioxide 

A cardboard box, a sign, a craft knife, this film is a roadside phone booth belongings. Such vendors in China's cities almost everywhere, especially in the mobile phone store in front of stores and IT professionals. October 26, Changping District in Beijing a subway booth, asking passers-by nearly 10 film prices, which have four people to buy a mobile phone film. According to the general public the first vendors to provide mobile phone screen size recommended film, and then paste, less than 5...


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Microwave sintering of metal powder technology

Posted by tracy ma on Friday, November 18, 2011, In : metal powder 

Microwave frequency is 300MHz-300GHz (corresponding to wavelengths in the 1000-1mm) range of electromagnetic waves. Microwave sintering is the use of microwave radiation plus heat source instead of the traditional material through their own absorption of electromagnetic energy to reach the sintering temperature to achieve densification. Compared with the traditional understanding - will block microwave radiation reflected from the metal, the metal in the powder state was able to achieve the e...


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Technology development process about the touch screen

Posted by tracy ma on Friday, November 18, 2011, In : Titanium dioxide 

Just this year, global demand for products similar to the greedy touch off a touch screen like the sharp rise in the market. With a wider range of mobile applications, and new "must have" products, inventions, is difficult to predict the growth trend will be mitigated or growth. But regardless of slowing down or the up, touch panel display technologies have become a permanent member of the family.
John Bush often amazed over the past few years, the touch screen market. Three years ago, he beca...


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The process of laser sintering of metal powder

Posted by tracy ma on Thursday, November 17, 2011, In : metal powder 

Since the inception of rapid prototyping, rapid manufacturing of metal parts has become a remarkable research [1-3]. Including selective laser sintering (Selective Laser Sintering, referred to as SLS) technology for rapid metal parts can be manufactured much attention. So far, people mainly focused on two kinds of high melting point metal powder or metal powder blend to mix a binder, with a smaller laser power sintering of metal parts [4-5], while the use of high-power direct laser sintering ...


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Maintenance of resin coated lenses

Posted by tracy ma on Thursday, November 17, 2011, In : Titanium dioxide 

After the surface coating resin lens, clarity and eye protection is important for blocking harmful UV rays and other features greatly improved, especially for distance glasses, often due to frequent wear and outdoor activities, the benefits of coating the lens of the eye lens is the ordinary can not be compared. However, if you pay attention to the use of maintenance, so that the lens scratches the surface of the corrosion film, Zinc oxide with a deeper level, the various functions and clarit...


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The main factors which affect the quality of metal powder pressed

Posted by tracy ma on Wednesday, November 16, 2011, In : metal powder 

Metal powder to suppress the main shall be guaranteed density and density distribution of the two indicators, depending on the mold pressing process and its parameters and structure of the rational design and selection.
In general, the performance of metal powder parts are its relative density (ie, the actual density of powder in the powder material with the ratio of the theoretical density) is closely related to the relative density is larger, the higher the performance. And specific parts of...


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The wear-resistant membrane

Posted by tracy ma on Wednesday, November 16, 2011, In : Titanium dioxide 
Both inorganic material or organic material made of glasses, in daily use, due to dust or sand (silica) can cause friction wear lenses, the lens surface scratches. Compared with glass,
Rigid organic materials is relatively low, more prone to scratches. Through the microscope, we can observe scratches the surface of the lens is divided into two kinds, one is generated as gravel scratches, light and small, wearing glasses is not easy to detect; the other is generated by the larger grit scratches...

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The global demand for metal powders is expected to reach $ 3.52 billion in 2012

Posted by tracy ma on Tuesday, November 15, 2011, In : metal powder 

The global demand for metal powders is expected to remain at 35 billion U.S. dollars in 2012, although the demand will grow 1.8% to reach 1.2 billion pounds. The reason is mainly due to metal prices will be lower than the high level of 2007; and 2002-2007 base metal powder, no significant change in demand.

Will increase the number of new uses for steel, stainless steel, aluminum and tungsten metal powder and other applications, such as powdered metal parts of motor vehicles in a wide range of ...


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How the zinc and aluminum die casting degrease

Posted by tracy ma on Tuesday, November 15, 2011, In : Titanium dioxide 

Zinc and aluminum die casting is a powder die casting of zinc as the main component parts. This part is a layer of very dense surface layer, which is evacuated porous structure. You can not use acidic degreasing agent, and can only use alkaline degreasing agent for degreasing. Most of the copper-zinc-aluminum parts are nickel-chromium multilayer coatings need for a higher decorative requirements. Skim through the mechanical polishing of the former are. Nickel oxide So to wax (polishing paste ...


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New type of metal powder coating

Posted by tracy ma on Monday, November 14, 2011, In : metal powder 

The traditional metal powder coatings by dry mixing, inorganic parcels, Bonding technology, there has been more technical problems. Compared with liquid coatings, powder coating of metal on metal paint spraying and curing time when the environment is not surrounded by the liquid solvent, leading to the following types of metal powder coatings FAQ: the rate of metal powder pigment and powder coating on the different color is not caused by stability, and recovery of pink color difference is too...


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The principle of the optical lens coating and benefits

Posted by tracy ma on Monday, November 14, 2011, In : Titanium dioxide 
Affected side of the flat lens light transmission has many causes. Mirror roughness will cause diffuse the incident light, reducing the lens transmittance. In addition, optical absorption of the material, can also cause some of the frequency of the incident light source, some of which disperse the particularly serious. For example, the material will absorb the red light looks green. However, these adverse factors can be processed to remove as much as possible.

    It is unfortunate that alread...

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Something about Refractory metal in powder metallurgy

Posted by tracy ma on Wednesday, November 9, 2011, In : metal powder 

Refractory metals (mainly tungsten, molybdenum, tantalum, niobium) and alloys are produced in powder metallurgy method. And the main process of the refractory metals, especially tungsten, molybdenum materials, is powder metallurgy process.
   1903 German Bolton (W.vonBolton) obtained tantalum wire, as the incandescent filament. 1909 U.S. Kuli Ji (WDCoolidge) replaced with a tantalum powder obtained tungsten wire for incandescent lamps. Made in 1910 with the same process molybdenum wire, which ...


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NASA's space "Golden Mirror" is decorated by gold quantum coating

Posted by tracy ma on Wednesday, November 9, 2011, In : Titanium dioxide 

According to reports, the U.S. National Aeronautics and Space Administration's next-generation space telescope - the James Webb Space Telescope, has completed the primary mirror of the "gold coating" processing, which Space Telescope, is an important milestone. James Webb (JWST) space telescope will be the most powerful in human history, the space telescope, which will be launched into orbit in 2018. This week, NASA engineers completed the James Webb Space Telescope's 21 mirror surface (which...


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Three kinds of new materials about energy saving glass help windows and doors of building save energy

Posted by tracy ma on Tuesday, November 8, 2011, In : Titanium dioxide 
Glass is an important building material, decorative building as people increasing requirements, the use of glass in the construction industry volume continued to grow. However, when people choose building glass doors and windows, not only considering the aesthetics and appearance characteristics, but also pay attention to the heat control, cooling costs, and comfortable interior sun projected balance problems now.

    Doors and windows of the building energy consumption, some people liken to: ...

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How to make the powder metal processing

Posted by tracy ma on Monday, November 7, 2011, In : metal powder 

In the latest design in automotive applications, powder metal processing parts have risen steadily. In fact, these parts are now being used more in the striking engine and transmission applications. Although the powder metal processing parts has become the automotive industry's favorite things, boron powder but must be processed into finished products for the workshop, they are still a demon, so the need to acquire a powder metal processing techniques.

 1, metal ceramics, carbide and powder me...


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Optical polymer material replacement new blood into the optical market

Posted by tracy ma on Monday, November 7, 2011, In : Titanium dioxide 
    With the global development of technology, the use of polymer optical materials become more widely. As in recent years photorefractive materials, optical waveguide materials, nonlinear optical materials, plastic optical fiber, graded-index materials, optical coatings and so has been rapid development. Polymer optical materials due to its light weight, impact resistance, easy molding, can be stained and excellent optical properties, is gradually replacing inorganic optical materials.
    A...

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Practical techniques of metal powder coatings Notes

Posted by tracy ma on Friday, November 4, 2011, In : metal powder 

Metal powder coating is a metal-containing pigments (such as: copper powder(FCu), silver, aluminum, etc.) of powder coatings. As the metal powder coating to show a bright, luxurious decorative effect, very suitable for furniture, jewelry and cars indoors, spray the object outside. In the manufacturing process on the domestic market mainly by dry mixing method (Dry-Blending), also used the international bond fixation (Bonding).

    A method of coating metal powder coating

    Friction is general...


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Spectroscopy in gem identification of the application

Posted by tracy ma on Friday, November 4, 2011, In : Titanium dioxide 

It is fond of natural gem that unique Colour and precious few, so the prices is expensive. However, due to profit-driven, criminals never stopped imitation and fake gems. As technology advances, more and more clever way of imitation, which can muddle many test equipment. In contrast, the use of spectroscopy to identify stones, simple, accurate identification, the process quickly and so on. The following example will show you the Ocean Optics spectrometer in gem identification of advantages:
Id...


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High Mill has excellent casting properties of cast iron

Posted by tracy ma on Thursday, November 3, 2011, In : metal powder 
High Pressure Mill is generally used in the manufacture of complex shape, high mechanical performance requirements than the cast iron parts, such as hydraulic press beams, rolling mill frame, heavy gear, etc., this method is difficult to produce parts with forged, cast iron can not meet performance requirements can only be used with carbon steel casting production. High Pressure Mill cast iron has excellent casting properties, machinability, antifriction and eliminate vibration and low notch ...
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The four big trends of white LED encapsulates

Posted by tracy ma on Thursday, November 3, 2011, In : Titanium dioxide 
Nakamura and other people which from Nichia company put the Blue ray led synthesized with yellow phosphor white LED for the first time. He used by the yellow phosphor for Y3Al5O12: Ce3 + (hereinafter referred to as YAG: Ce3 +), the phosphor in 470 nm band near a strong broadband absorbed, and then inspire 540 nm nearby yellow light, led itself of the launch of blue and yellow phosphor inspired form with white light. Later, YAG: Ce3 + for its conversion efficiency, high thermal stability and s...
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Metal ceramics powder metallurgical technology

Posted by tracy ma on Wednesday, November 2, 2011, In : metal powder 

Metal powder metallurgical technology ceramic materials mainly include ceramic materials metal powder metallurgical technology ultra fine cemented carbide, special hard phase hard alloy, of functionally gradient hard alloy, hard alloy heat treatment, coating hard alloy, new technology and new technology and new equipment, and Ti (C, N) fund of ceramic, etc.

1, metal ceramic materials of powder metallurgical technology submicron cemented carbides

To make the whole hard alloy material also has ex...


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Examples of typical applications of Raman spectroscopy

Posted by tracy ma on Wednesday, November 2, 2011, In : Titanium dioxide 

Raman spectroscopy (Raman spectra), is a scattering spectrum. Raman spectroscopy is based on the Indian scientist CV Raman (Raman) found Raman scattering effect, and the light frequency of the different scattering analysis to obtain the molecular vibration, rotation of information, and applied to the study of molecular structure an analytical method.
Raman spectroscopy can provide rapid, simple, repeatable, and more importantly, qualitative and quantitative analysis of non-invasive, Zinc oxide...


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What is iron powder?

Posted by tracy ma on Tuesday, November 1, 2011, In : metal powder 
Iron powder is an important raw material metal powder. Iron extraction and industrial applications began in the 1920s. At that time the German production of electrolytic iron and carbonyl iron powder, mainly used as a catalyst for the chemical industry. 30 years to begin production of iron-based powder metallurgy parts. Vortex developed in Germany in 1933, the production of iron grinding. Swedish sponge iron production in 1936 based on the use of magnetite produced by the reduction of low-cos...
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Application of laser cladding

Posted by tracy ma on Monday, October 31, 2011, In : Titanium dioxide 
Laser cladding, also known as laser cladding or laser cladding, a new surface modification technology. It does this by adding the substrate surface of the cladding material, and the use of high-energy density laser beam so that the substrate surface with the method of thin fused together, with the substrate surface material for the metallurgical bonding of the cladding layer Tim.
Because of the high-energy density laser beam generated by the rapid heating process adiabatic approximation, the t...

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The technology and development prospects of powder metallurgy materials

Posted by tracy ma on Monday, October 31, 2011, In : metal powder 
Application of powder metallurgy materials and classification

(1) Application: (cars, motorcycles, textile machines, industrial sewing machines, electric tools, hardware, tools appliances. Construction machinery) and other powder metallurgy (iron copper) parts.

(2) Categories: Porous materials, powder metallurgy, powder metallurgy friction materials, friction materials, powder metallurgy, powder metallurgy structural parts, powder metallurgy tooling materials, magnetic materials, powder metallu...

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Why the camera needs coating, and how to maintain it?

Posted by tracy ma on Monday, October 31, 2011, In : Titanium dioxide 
Why the lens and lens need coating? This is because any object has a reflection on the role of light, even colorless transparent glass is no exception, the difference lies in the angle of light will form a reflection effect. For the ideal state of the lens, the light through the lens can be completely and correctly in the film or CCD is completely focused. However, the fact is that each of their lenses are subject to physical constraints, resulting in the generation of aberration. Therefore, ...
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Copper and copper alloy welding technology and equipment

Posted by tracy ma on Friday, October 28, 2011, In : metal powder 
1 copper has excellent electrical conductivity, thermal conductivity, corrosion resistance, ductility and strength of certain other features. In electrical, electronic, chemical, food, power, transportation and aerospace industry has been widely used. In the copper (copper powder(FCu)) to add more than 10 kinds of alloying elements to form a solid solution of various types of copper alloys, such as zinc for brass; nickel plus copper-nickel alloy; plus silicon-silicon bronze; Alcan aluminum br...
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The basic knowledge of light and application of stage lighting

Posted by tracy ma on Friday, October 28, 2011, In : Titanium dioxide 
The nature of light

    Just refers to the radiation emitted by the light source part, that is able to produce visual radiation.

    According to physics point of view, Light is an electromagnetic wave, the wavelength in the 380-780mm range. Because this part of the electromagnetic wave can cause the human visual response, so called visible light.

    All kinds of electromagnetic waves at wavelengths Expand: wavelength (nm)

     Color of visible light and the feeling of eye


    Different wavelengt...

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Plastic in the LED lighting market space exploration

Posted by tracy ma on Thursday, October 27, 2011, In : Titanium dioxide 

Semiconductor lighting (LED light emitting diode lighting) with energy-saving, environmental protection, long life and other significant technical advantages compared with existing energy-saving lamps can save up 40%, is considered a new generation of lighting equipment, very promising.

As an important basis of modern industrial materials, plastics in the LED lighting industry will also play an important role, such as LED optics, packaging and cooling system applications.

The LED lighting marke...


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The application of beryllium copper and weight

Posted by tracy ma on Thursday, October 27, 2011, In : metal powder 
Now the plastic mold which has been more and more to start using beryllium copper mold materials, and an upward trend! Why? The following features on the beryllium copper we talk about a few!

1 sufficient hardness and strength: After many times of experimentation, engineers can identify and beryllium copper powder(FCu) master alloy the precipitation hardening of the best conditions and best working conditions there are the mass properties of beryllium copper (This is beryllium copper alloy pro...

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The basic process and development of powder metallurgy process

Posted by tracy ma on Wednesday, October 26, 2011, In : metal powder 

Powder metallurgy process, the basic process is:

 1, the raw material powder preparation. Milling the existing methods can be roughly divided into two categories: mechanical and physical-chemical methods. The mechanical method can be divided into: mechanical grinding and spray method; physical-chemical methods are divided into: electro-chemical etching method, reduction, of legitimate, restore - of legal, vapor deposition, liquid deposition and electrolysis. metal powder supplier Which is the ...


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The point of capacitive touch interface design in mobile devices

Posted by tracy ma on Wednesday, October 26, 2011, In : Titanium dioxide 

Mobile devices, human interface design of products, most have been provided, such as touch screen, virtual buttons for touch operation, which has been non-application of the resistive touch the mainstream, but with high light transmittance, can not produce by repeatedly pressing machine fatigue design of capacitive touch solutions become, the high-end products, man-machine interface technology of choice for ...

    Old mobile devices or full screen touch buttons, most adopted mechanical design...


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Application of copper in the importance of analysis of powder metallurgy

Posted by tracy ma on Tuesday, October 25, 2011, In : metal powder 

In recent years, scholars pay more attention to powder metallurgy with "nano" and "composite" material properties, while ignoring the basic materials and technology in the field of powder metallurgy in the expanding role. Copper in the field of powder metallurgy played a huge role, will continue to promote its development. This paper describes the application of copper in the field of powder metallurgy and process development, reviewed the history of the development of copper, properties and ...


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The progress of welding technology

Posted by tracy ma on Tuesday, October 25, 2011, In : Titanium dioxide 
Resistance spot welding car body manufacturing is considered the most important connection process. Despite the laser beam welding and adhesive bonding and other new technologies, but spot welding in automotive body manufacturing will still retain its strong position. Because many factors affect the processing quality of spot welding, spot welding quality standards and demanding, it is necessary to systematically examine the quality of spot welding joints.
    To this end, the past practice is...

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