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Conventional Vickers and true instrumented indentation hardness determined by instrumented indentation tests

2010; Springer Nature; Volume: 25; Issue: 2 Linguagem: Inglês

10.1557/jmr.2010.0045

2044-5326

Seung‐Kyun Kang, Ju‐Young Kim, Chan-Pyoung Park, Hyun-Uk Kim, Dongil Kwon,

Diamond and Carbon-based Materials Research

We evaluate Vickers hardness and true instrumented indentation test (IIT) hardness of 24 metals over a wide range of mechanical properties using just IIT parameters by taking into account the real contact morphology beneath the Vickers indenter. Correlating the conventional Vickers hardness, indentation contact morphology, and IIT parameters for the 24 metals reveals relationships between contact depths and apparent material properties. We report the conventional Vickers and true IIT hardnesses measured only from IIT contact depths; these agree well with directly measured hardnesses within ±6% for Vickers hardness and ±10% for true IIT hardness.