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Indenters in numerical analyses are usually assumed rigid. For rigid indenters, the ratios of Kick’s law coefficient to elastic modulus (C/E) are equal for materials with equal values of yield strain (ε o ) and strain hardening coefficient (n). However, this is not the case for elastic indenters as indenter deformation leads to a shift of the load–depth (P–h) curve.In this study, we employ...
The sharp indenters such as Berkovich and conical indenters have a geometrical self-similarity so that we can obtain only one parameter from an indentation loading curve, which makes different materials have the same load–displacement relation. Most studies to evaluate elastic–plastic properties by using the geometrical self-similar indenter have therefore tried to use dual/plural indentation techniques,...
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