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Method for hardness testing of cemented carbide

Jun. 15, 2017

Cemented carbide is a kind of alloy material made by powder metallurgy process of hard metal and bonding metal of refractory metal.

Cemented carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance.

The hardness of cemented carbide is generally measured by Rockwell hardness tester or Vivtorinox hardness tester. In practice, Rockwell hardness tester is used to test the hardness of HRA. It belongs to non destructive test, and the test method is simple.

Hardness test can reflect the difference of mechanical properties of cemented carbide under different chemical composition, microstructure and heat treatment process.

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