【Know Tungsten】Sintering Shrinkage of Tungsten Carbide

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Sintering Shrinkage of Tungsten Carbide
When sintering, the tungsten carbide press will produce obvious contraction, which is the sintering densification of tungsten carbide.

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【Know Tungsten】Tungsten Copper Hot Pressing Sintered

tungsten copper thot pressing sinterred picture

Tungsten copper hot pressing sintered process of cold pressing method blank - vacuum sintering - canned hot extrusion. Because tungsten copper composite material has excellent electrical and mechanical properties, as electrical contacts, the discharge electrodes and electronic packaging materials are widely used in electrical and electronic fields.

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【Know Tungsten】Ammonium Metatungstate Producing Method

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Ammonium metatungstate producing method (AMT) can be divided into two categories of solid and liquid phase transformation, the specific methods are thermal degradation, liquid - liquid extraction, ion exchange, electrodialysis, neutralization, acid hydrolysis alcohol precipitation method ect..

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【Know Tungsten】Difference Between White Tungstic Acid and Yellow Tungstic Acid

difference between white tungstic acid and yellow tungstic acid image

White tungstic acid and yellow tungstic acid difference mainly embodies in their appearance, white tungstic is white powder with white microcrystalline structure, yellow tungstic acid is the most common seen tungstic acid, color is light yellow and is in powder form.

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【Know Tungsten】Tungsten Copper Thermochemical Method

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Tungsten copper thermochemical method is also known as powder coating method, which doped with compound or compound solution and dried calcined to obtain the coated powder after reduction.

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【Know Tungsten】History of Tungsten Uses

History of Tungsten Uses

Discoveries in tungsten use can be loosely linked to four fields: chemicals, steel and super alloys, filaments, and carbides.

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【Know Tungsten】Tungsten Copper Explosive Powder Compaction

tungsten copper explosive powder compaction method picture

Tungsten copper explosive powder compaction method is the use of explosive shock wave generated by the metal or non-metal sintering compacted powder processing technology. When the shock wave through the metal powder, which the powder received extrusion, collision, friction between the particles, the thermoplastic must cut and micro-jet.

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【Know Tungsten】Tungsten Copper Metal Injection Molding

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Tungsten copper metal injection molding (MIM) is a new type of powder forming technology, which also called powder injection molding (PIM), it is a method combines by powder metallurgy and injection molding.

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【Know Tungsten】Tungsten Trioxide Produced by Hydrothermal Method

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Hydrothermal method produces tungsten trioxide using sodium dehydrate as raw material, by ultrasonic treatment and move to reaction still to produce tungsten trioxide.

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【Know Tungten】Tungstic Acid Producing Method

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Common seen tungstic acid producing method is tungsten concentrate soda sintering method, tungsten concentrate soda solution pressure digestion and sodium hydroxide solution decomposition method.

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