What Is Specific Role of Cobalt in Cemented Carbide?

Cobalt plays an important role in cemented carbide. As a bonding metal, it can provide good toughness through plastic deformation at room temperature, giving the cemented carbide excellent impact toughness.

During the manufacturing process of cemented carbide, cobalt can form alloys with carbides and other metal carbides, thereby improving the hardness and wear resistance of cemented carbide. It can also wet the hard phase through the bonding metal and plays a very important role in the sintered cemented carbide products.

In general, cobalt is an important element in cemented carbide. It provides good adhesion, hardness and wear resistance, effectively improving the performance of cemented carbide.

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