The components of cemented carbide mainly include metal tungsten (W) and cobalt (Co), as well as small amounts of other metal and non-metal elements. Among them, tungsten is the main component of cemented carbide. It has the characteristics of high melting point, high hardness and high density. It is one of the key factors that makes cemented carbide have excellent performance. Cobalt is the binding phase of cemented carbide. It has good binding and plasticity and can firmly fix tungsten particles together.
In addition, some other metallic elements such as titanium (Ti), niobium (Nb), etc., as well as non-metallic elements such as carbon (C) and nitrogen (N) can be added to the cemented carbide. The addition of these elements can further improve the properties of cemented carbide and increase its hardness and wear resistance. For example, adding titanium and niobium can increase the hardness and strength of cemented carbide, adding carbon can increase the density of cemented carbide, and adding nitrogen can enhance the corrosion resistance of cemented carbide.
It should be noted that different compositions and preparation processes will lead to different performance and usage scenarios of cemented carbide. Therefore, when selecting cemented carbide, it needs to be selected and optimized based on actual application scenarios and requirements.
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