Common tungsten carbide powder is a dark gray compound powder composed of tungsten and carbon. The tungsten powder and carbon black are used as raw materials which are mixed into a mixture at a certain ratio. Tungsten carbide powder is chemically stable and has hardness similar to that of diamond. It is a good conductor of electricity and heat, which is often used to produce various kinds of tungsten carbides.
Preparation
The methods for preparing common tungsten carbide can be divided into three categories: solid phase method, gas phase method, and liquid phase method, including spray conversion method, in-situ reduction carbonization method, and mechanical alloying method. Each method has its own advantages and disadvantages.
Applications
As an important surface material, common tungsten carbide powder is playing an increasingly important role in the industries of aerospace, electronic information, electric power, energy, petroleum, chemical industry, metallurgy, and machinery.
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