For the three separate test force ranges for metallic materials, including hard metals and other cemented carbides, ISO 6507 specifies the Vickers hardness test technique.

Principle: A diamond indenter is pressed into a test piece’s surface in the shape of a right pyramid with a square base and a predetermined angle between opposing faces at the vertex.

The area of the sloped indentation surface, which is considered to be a right pyramid with a square base and the same angle as the indenter at the vertex, is divided by the test force to give the quotient, which is used to determine the Vickers hardness.

NOTE 1 The centre of the base and the apex of a right pyramid are in line.

NOTE 2 This document has incorporated hardness as appropriate.

NextGen’s Macro Vickers Hardness Tester – Analogue, Digital and Digital with CCD Optical Analysis Softwarehas ISO 6507 certification.

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