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...

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...

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...

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...

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 ...

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 ...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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 ...

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 ...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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 ...

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...

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...

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...

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...

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...

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...

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. ...

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...

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...

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...

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...

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...

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. ...