Principles of hardness testing

Distinguishing criteria for static hardness testing methods

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Methods with static force application are predominantly used for the hardness testing of metals that can be distinguished according to the following criteria:

  • form of the indenter (ball, pyramid or cone)
  • indenter material (hardened steel, carbide metal or diamond)
  • size of the test force applied to a test specimen
  • method of evaluation: measurement of the penetration depth (depth measurement method) or size of the indentation (optical measuring method) caused by the indenter.