Testing of Hardness

 Testing of Hardness

It is a very important property of the metals and has a wide variety of meanings. It embraces many different properties such as resistance to wear, scratching, deformation and machinability etc. It also means the ability of a metal to cut another metal. The hardness of a metal may  be determined by the following tests. 

1. Brinell hardness test
2. Rockwell hardness test
3.Vickers hardness (also called Diamond Pyramid) test
4. Shore scleroscope

Rockwell hardness testing machine
Rockwell hardness testing machine

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