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Kim, Ju-Young
Robust Multifunctional Materials Lab
Research Interests
  • Flexible / stretchable devices, nano-mechanics, nanoporous metal, materials reliability

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

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Title
Conventional Vickers and true instrumented indentation hardness determined by instrumented indentation tests
Author
Kang, Seung-KyunKim, Ju-YoungPark, Chan-PyoungKim, Hyun-UkKwon, Dongil
Keywords
Contact depth; Contact morphology; Instrumented indentation; Material property; Real contact; Vickers; Vickers indenters
Issue Date
2010-02
Publisher
CAMBRIDGE UNIV PRESS
Citation
JOURNAL OF MATERIALS RESEARCH, v.25, no.2, pp.337 - 343
Abstract
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
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DOI
10.1557/jmr.2010.0045
ISSN
0884-2914
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MSE_Journal Papers
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