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Compound composed of carbon and tungsten with the molecular formula WC. The molecular weight is 195.85. Tungsten carbide is a black hexagonal crystalline material with a metallic sheen and hardness comparable to diamond. It is an excellent conductor of heat and electricity.
Tunsten Carbide Properties:
Tungsten carburide is a black hexagonal crystalline system. It dissolves in hydrofluoric and nitric acids and in aqua regia but not in cold water. Chemically, tungsten carbide is stable.
Tungsten carbide is a powdery gray color with a metallic sheen. It is insoluble with water, hydrochloric and sulfuric acids but soluble when mixed with nitric or hydrofluoric acid. Pure tungsten carbide is fragile. By adding titanium, cobalt or other metals, it can be made less fragile.
Tungsten Carbide Application:
Tungsten carbide powder is used to make steel cutting tools. It’s often mixed with tantalum or titanium carbide. Tungsten carbide powder is used for the production of cemented carbide.
Tungsten carbide is used in many applications, including high-speed cutters, furnace structural materials for jet engines, cermet material, resistance heating components, etc.
Tungsten-carbide powder is used for cutting tools, wearable parts, melting pots for metals like copper, cobalt, or bismuth as well as wear-resistant semiconductor film.
Tungsten carbide is used for super-hard, wear-resistant tool materials. It can also form a solid mixture with many carbides. WC-TiC-Co cermented-carbide tools have been used widely. It can also reduce the sintering temp and maintain excellent performance when used as an additive to NbC C and TaC C ternary system carburides. It can also be used for aerospace materials.
Tungsten (WC), powder, is made by combining tungsten (WO3) with graphite under a reducing atmospheric at temperatures between 1400 and 1600 degrees.
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