Industry knowledge

Tungsten carbide powder used in cemented carbide production material.

Tungsten carbide is a compound composed of tungsten and carbon. It is a black six - square crystal with metallic luster, similar to diamond, and is a good conductor of electricity and heat. Tungsten carbide is insoluble in water, hydrochloric acid and sulfuric acid, soluble in nitric acid and hydrofluoric acid. Pure tungsten carbide fragile, if mixed with a small amount of titanium, cobalt and other metals, can reduce the brittleness. As the tungsten carbide cutting tool steel, titanium carbide, tantalum carbide is often added or mixtures thereof, in order to improve the anti explosion capacity. Chemical stability of tungsten carbide. Tungsten carbide powder used in cemented carbide production material.


1, as a large number of high-speed cutting tools, furnace structure materials, jet engine parts, metal ceramic materials, resistance heating elements such as.

2, used in the manufacture of cutting tools, wear-resistant parts, copper, cobalt, bismuth and other metal smelting crucible, wear-resistant semiconductor film.

3, used as superhard cutting tool materials, wear-resistant materials. It can form solid solution with many carbides. WC-TiC-Co cemented carbide tools have been widely used. It can also be used as NbC-C and TaC-C three system carbide modified additives, not only can reduce the sintering temperature, but also to maintain good performance, can be used as aerospace materials.

4, tungsten carbide (WC[9]) powder was synthesized by using tungsten anhydride (WO3) and graphite in the reducing atmosphere at high temperature from 1400 to 1600 DEG C. Dense ceramic products can be obtained by hot pressing sintering or hot isostatic pressing sintering