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Hard Alloy Hardness Testing

wallpapers Resource 2020-12-02
Cemented carbide is an alloy material made of hard compounds of refractory metals and bonding metals through powder metallurgy.
 
Cemented carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance, especially its high hardness and wear resistance, which remain basically unchanged even at a temperature of 500°C , It still has high hardness at 1000℃.
 
Cemented carbide is widely used as tool materials, such as turning tools, milling cutters, planers, drills, boring cutters, etc., for cutting cast iron, non-ferrous metals, plastics, chemical fibers, graphite, glass, stone and ordinary steel, and can also be used for cutting Hard-to-process materials such as heat-resistant steel, stainless steel, high manganese steel, and tool steel.


 

Hardness testing
 
Hard alloy hardness testing mainly uses Rockwell hardness tester and Vickers hardness tester, and the hardness is generally between 86-95HRC or 900-2000HV. Due to the high hardness of the product, the material of the indenter is generally made of silicon carbide or natural diamond. The diamond hardness tester has a large number of applications in various cemented carbide industries.
 
Cemented carbide is a kind of metal. The hardness test can reflect the difference in mechanical properties of cemented carbide materials under different chemical composition, structure and heat treatment process conditions. Therefore, the hardness test is widely used in the inspection of cemented carbide properties and supervision of heat treatment. The correctness of the process and the research of new materials.

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