Brinell hardness test
Brinell scale of hardness
Brinell hardness test
The Brinell hardness test measures the indentation hardness of materials. It determines hardness through the scale of penetration of an indenter, loaded on a material test-piece. It is one of several definitions of hardness in materials science. The hardness scale is expressed in terms of a Brinell hardness value, sometimes referred to as the Brinell hardness number but formally expressed as HBW, meaning Hardness Brinell Wolfram; Wolfram refers to the tungsten carbide ball indenter used during the test. The test was named after Johan August Brinell (1849-1925) who developed the method at the end of the 19th century.
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