Showing Tag: " boron 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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