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Wed Granite Stone Vicker Hardness Tester

Wed Granite Stone Vicker Hardness Tester

Vickers hardness HV test ISO 3878 is the most common for hardmetals, followed in popularity by Rockwell hardness of scale A test ISO 3738, ASTM B294. Knoop hardness HK test ISO 22394 is also used when the anisotropy of material is of interest, as it is the case in WC crystals Exner, 1979 French amp Thomas, 1965.

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