Showing Tag: "powder" (Show all posts)

Crushing of ultra fine metal powders and its safety

Posted by tracy ma on Friday, July 13, 2012, In : metal powder 

The crushing process of t ultrafine metal powder is very complicated. Especially for ultra-fine grinding flammable and explosive materials, if they are crushed into micron level, the specific surface area will increase and the security issues in crushing process become very important. In general, security of ultra-fine grinding includes three aspects for metal powder supplier: production safety, product quality security and storage security in transporting period.

Production safety is relate...


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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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Preparation of nano metallic materials

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

Nano-metallic materials include nano-metal powders and nano-structural metallic materials. According to the chemical reactions, preparation of nano metal powder can be divided into two kinds of physical and chemical methods. Physical method includes plasma, wire electrical explosion method, laser induction complex heating evaporation method and high-energy ball milling. Chemical method includes reduction, electrolysis, and carbonyl method.

Plasma method is to use the plasma to have melting, ...


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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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Development and technology of ultra pure silicon powder

Posted by tracy ma on Friday, July 6, 2012, In : metal powder 

Among restored silica fume manufacturers, Swedish companies stay in the forefront. As early as 1911, Sweden began to use silicon ore and mixtures of coke and limestone for steelmaking in the ring kiln. This technology began to be applied in powder metallurgy and welding industry in 1936.

With the continuous improvement and expansion of silica fume, there are higher requirements for quality of restored silica fume. So metal powder supplier made the hydrogen secondary fine reduction treatment ...


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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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Advantages of pre alloyed powder as the bit matrix

Posted by tracy ma on Friday, June 29, 2012, In : metal powder 

Pre-alloy powder can be used as the binder of bit matrix. Compared with single metal powder in mechanical mixture, its superiority is reflected in the following areas: mechanical properties, the holding force of matrix alloy on diamond, oxidation and dirty of metal powder.

If the bonding metal is made of pre-alloy, the pre-alloy powder has a single melting point; its melting point can be controlled by adjusting the composition formula proportion and choice. Pre-alloyed powder than mechanical...


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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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Outlook for production of electrolytic manganese powder

Posted by tracy ma on Tuesday, June 26, 2012, In : metal powder 

The vast majority of Chinese electrolytic enterprises are built in southwest China. It is because that most of Chinese manganese resources are in southwest China, such as Guangxi, Hunan, Guizhou, Chongqing and Yunnan provinces. These areas are also rich in power resources and the price is relatively cheap. The preferential policies for the development of China's western region also created very favorable conditions for development of manganese powder. So manganese powder industry have a rapid...


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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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The use of silica powder

Posted by tracy ma on Thursday, June 21, 2012, In : metal powder 

The silica powder is an important raw material for the production of polysilicon. Silica powder reacts with anhydrous hydrogen chloride in a fluidized bed reactor. It generates trichlorosilane. After further purification of SiHCl3, it is restored and deposited to polysilicon in hydrogen. Polysilicon is the main raw material for solar cells of photovoltaic industry. In recent years, with sustained tension of global energy, it makes developing solar energy became the focus of world's energy str...


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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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Determination of manganese in high purity manganese powder

Posted by tracy ma on Thursday, June 14, 2012, In : metal powder 

Metal manganese is easily oxidized in the air and forms the oxide film on its surface. It will affect its physical properties, chemical properties and performance. When it is used in powder state, metal powder has a large surface area, and its oxidation is intensified. According to technical conditions, some provisions declare that the manganese content should not be less than 99.00% in manganese powder. Therefore it is necessary to have cooled determination of manganese content in manganese ...


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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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Current status of boron carbide powder industry in China

Posted by tracy ma on Tuesday, June 12, 2012, In : metal powder 

It has been more than one hundred years since boron carbide powder in manufactured in 1893.Boron carbide powder is applied in many fields from the resistance furnace test to the electric arc furnace production and a horizontal furnace smelting to vertical furnace smelting. But in past, people were not familiar with it. Now the demand from the world is from several tons to several thousand tons. Chinese output is from dozens of tons / year to million tons / year. Quickly development of boron p...


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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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Cleaner production of manganese powder

Posted by tracy ma on Tuesday, June 5, 2012, In : metal powder 

Manganese powder is a very important chemical raw material. It is widely used in iron and steel, nonferrous metals, chemicals, pharmaceuticals, food and scientific research. The first production line was built in 1956. Production of Chinese electrolytic manganese powder reached 494000t in 2004. China becomes the largest metal powder supplier, exporter and consumer in the world.

Cleaner production refers to the excellence design, the use of advanced technology and equipment, the use of clean ...


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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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Agglomeration of amorphous boron powder

Posted by tracy ma on Wednesday, May 23, 2012, In : metal powder 

Due to the surface acidic impurities, amorphous boron powder has poor compatibility with hydroxyl-terminated polybutadiene. For increasing boron amount in propellant, boron powder need modification treatment. Boron powder’s particle size is also an important factor affecting the process performance of the fuel-rich propellant. Boron combustion is slow and the ramjet fills fuel efficiency and is low. To consider from the agglomerate of combustion process, diameter of the boron particles shou...


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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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Advantages of fine nickel powder processing in Chinese plants

Posted by tracy ma on Wednesday, May 16, 2012, In : metal powder 

Developments of technologies for ultra-fine nickel powder have the three main points of preparation, properties and applications of ultrafine nickel powder. The preparation technology studies the preparation principle, preparation methods and preparation equipment. It aims at preparing a superior ultra-fine powder with characteristics of narrower particle size, more uniform distribution, better dispersion, and surface performances. Equipment has large production capacity, high output, low ene...


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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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China Jilin focus on production of carbonyl iron powder, nickel powder and molybdenum

Posted by tracy ma on Saturday, April 28, 2012, In : fine chemicals 

The latest China Jilin metallurgical industry development plan proposed the development priorities and layout. The carbonyl iron powder, nickel powder, and molybdenum industry are included in key content. Carbonyl iron powder has the characteristics of high purity, ultra-fine and active. It is produced by the carbonylation metallurgical techniques and it can be widely used in metallurgy, electronics, military, mechanical, pharmaceutical, chemical, food and other fields. The project is expecte...


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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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Burning heat measurement of boron powder

Posted by tracy ma on Thursday, April 26, 2012, In : metal powder 

Due to the high volume calorific value, boron becomes the preferred high-energy component additives. In order to do more accurate measurements, the oxygen bomb calorimeter can be used. The SQ-2 can be used as a combustion accelerant. The quality, shape, and the oxygen bomb pressure on the boron powder can be studied. The test finds the gas temperature is the key parameters that affect the combustion efficiency of boron powder. Increasing the limit temperature is an effective means to improve ...


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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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The role of metal powder metallurgy technology

Posted by tracy ma on Monday, April 23, 2012, In : metal powder 

New materials refer to those emerging or developing materials with traditional materials’ excellent performance. It can be seen from the history of human technological development that the modern world has experienced two industrial revolutions which are based on the discovery and application of new materials. Since the middle of last century, electronic technology especially the invention and application of microelectronic technology is representative of the second world revolution. Silico...


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Particularity of powder coating and coating application requirements

Posted by tracy ma on Thursday, April 19, 2012, In : metal powder 

Metal powder coating is a new type of 100% solid powder coating without solvent. It has two categories: the thermoplastic powder coatings and thermoset powder coating. Coating is made of special resin, fillers, curing agents and other additives. It forms with a certain proportion of mixed and by hot extrusion and crushing process of sifting. At room temperature, it is stable for storage. With electrostatic spray or fluidized bed dipping and then the baking heat of melting and solidification, ...


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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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Silica fume is one kind of common refractory raw material

Posted by tracy ma on Friday, April 13, 2012, In : metal powder 

As early as the 1920s, people had the actual use of refractory concrete. But it was not until the late 1950s that microsilica was used in products. The standard combination of low-cement pouring compound oxidation system is composed by the calcium aluminate cement, silicon powder and alumina calcined poured dispersant with fine grinding. At the base of bonding system, people can conduct a variety of improvements and increasing. Because particles of silica powder in the combination system is u...


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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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Iron metal desulfurization process will become the competition focus for powder metallurgy industry

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

As a main raw material in metal powder manufacturing industry, China's annual demand for steel is very large. The sulfur content of the steel determines the quality of steel, which is due to the characteristics of sulfur. If the sulfur content in the steel is too much, it will lead to the high brittle of steel thus reducing the mechanical properties of steel. Therefore, one process of forging steel is iron metal pretreatment. The sulfur containing in the molten iron goes into a minimum. Then ...


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Machining of powder metallurgy parts

Posted by tracy ma on Friday, April 6, 2012, In : metal powder 

Powder metallurgy is craft technology which uses metal powder as raw material for sinter forming and manufactures metallic friction material and the products. In powder metallurgy production, materials and parts have futures of high quality, low cost, energy efficiency and saving materials. The product structure of powder metallurgy materials can be divided into the powder metallurgy machine parts and ferrite magnetic material. They include eternal life magnet magnetic materials, soft magnet ...


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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 comparison between metal powder coating and traditional paint

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

Because metal powder coating has excellent performance, its market share is steadily improving. As the requirement of increasingly stringent environmental laws on the atmosphere volatile organic compounds content, the coating industry finds ways to improve the coating technology and reduces environmental pollution. After long-term experiments and tests, they finally find the silicon powder coating technology which is able to achieve the best coating.

Metal powder coating does not use organi...


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Application of powder metallurgy technology in steel cycle economic

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

China's iron and steel industry has the rapid development in recent years. Crude steel production reached 5.65 million tons in 2009. There are very rich iron secondary resources. The annually production is about 1000 tons. How to use these resources reasonable and effective by powder metallurgy technology and realize the recycling of iron resources become major issues in the current recycling economy.

The iron is basic raw material in powder metallurgy industry. The world attaches great imp...


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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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Manganese powder may have a negative role in human body

Posted by tracy ma on Tuesday, March 27, 2012, In : metal powder 

Manganese is a gray metal which is hard and brittle. Common manganese compounds are manganese dioxide and manganese oxide, manganese chloride, manganese sulfate, calcium chromate, manganese compounds and calcium potassium acetate. Manganese and manganese fumes dust enter into the body through the respiratory tract,, which  cause boron powder chronic poisoning. Acute manganese poisoning is rare.

After inhaling a large number of neonatal manganese fumes in poorly ventilated workplace fever: di...


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Market trends and prediction of silica fume

Posted by tracy ma on Monday, March 26, 2012, In : metal powder 

Recently, prices have been increasing in silica fume market. resource of high-quality silica fume (silica content is more than 90%) constraints and the international market has continuous expanding demand for micro-silica fume. According to the different origin of silica fume and different purposes, the prices of silicon powder also have some differences. In general, the main producing area of ​​the silica fume is northwest. The quality is relatively poor with relatively large scale. Qual...


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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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The ultra-fine powder processing industry has broad development prospects

Posted by tracy ma on Wednesday, March 7, 2012, In : metal powder 

Contemporary industrial production and manufacturing technology have profound changes. These changes have a common feature, which is the application of the original foundation material. The new ultrafine powder materials become upstream raw materials for most of the industrial manufacturing. It almost contains all production and manufacturing sectors of light and heavy industry. Currently, production processing and application level of ultrafine powder has become a measure sign for national s...


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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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Chinese powder metallurgy industry should pay attention to weak capacity of export

Posted by tracy ma on Monday, March 5, 2012, In : metal powder 

As we all know, the trend of economic globalization is becoming more and more obvious. The economy of every country is integrated into the developing tide of economic globalization. Economic globalization makes the global capital and resources free circulating on a global scale. But meanwhile it has brought greater risks for national economy. Because economies of the countries are indeed affected by the whole situation.

The financial crisis of 2008 is a global financial crisis from U.S. subp...


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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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Complete Reduction of Metal Powders and Pre Alloying Technology

Posted by tracy ma on Tuesday, January 3, 2012, In : metal powder 
Metal powder is an important factor which makes the quality of diamond unstable in the natural environment with its oxidation. Although the metal powder reduction process is applied, the single mass mental powders are always restored before mixing. Restored even after the powder mixture, cold, loading mode, pressing and other follow-up process, because a huge surface area of the powder, in the follow-up process there is a secondary oxidation in humid regions, this brings the secondary oxidati...
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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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China Gets Technological Breakthrough in Ultrafine Copper Powder

Posted by tracy ma on Thursday, December 29, 2011, In : metal powder 
Copper Powder is the second important powder material following the iron powder. From the market of china, copper powder is widely used in copper-iron-based powder metallurgy parts, of which the largest amount belongs to the metallurgy parts of copper powder. If the average amount of copper powder is 5%, by 2005, China's copper consumption had reached 5,000 tons per year.
Thinking about the demand from foreign markets, association statistics of non-ferrous metals show that the demand volume of...

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Price of Household Powder Coating rises in 2011

Posted by tracy ma on Wednesday, December 28, 2011, In : metal powder 
Because that VOC (volatile organic compounds) emissions are close to zero, it is in line with environmental requirements, product cost, efficiency and safety of coating are excellent, powder coatings are widely used in the production process of refrigerators, air conditioners, washing machines, small appliances and so on. At present, epoxy and polyester resin as the main film-forming epoxy polyester powder coating material are most widely used in household appliances.
After years of developmen...

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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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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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The metallic paint

Posted by tracy ma on Wednesday, December 21, 2011, In : metal powder 
Metallic paint is laced with the metal powder, not only through the coating to the surface after the sheet look more sparkling and moving, but in a different perspective, because of the refraction of light, color or outline will make the car change , so that the vehicle appearance looks richer, more interesting, which is why the "metallic paint" the truth will become increasingly common one.
Another increasingly common reason of metallic paint is that it mixed with metal powder, with the metal...

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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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Development of anti-static coatings

Posted by tracy ma on Monday, December 19, 2011, In : metal powder 
Antistatic coating is a conductive and eliminate the accumulation of electrostatic charge capacity functional coatings. Antistatic coating with the development of modern science and technology, has about half a century of history. As early as 1948, the United States announced the silver and made of conductive epoxy adhesive patent, this is the first open conductive coating. 1950s, Japan began production in silver and carbon-based anti-static coating system. 1960s United States, Britain, Japan...
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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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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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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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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 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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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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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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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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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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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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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 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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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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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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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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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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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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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 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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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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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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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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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 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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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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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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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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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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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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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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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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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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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 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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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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