46 research outputs found

    A new method to determine the elastopalstic properties of ductile materials by conical indentation

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    Based on load-displacement curves, indentation is widely used to extract the elastoplastic properties of materials. It is generally believed that such a measure is non-unique and a full stress-strain curve cannot be obtained using plural sharp and deep spherical indenters. In this paper we show that by introducing an additional dimensionless function of DA / A (the ratio of residual area to the area of an indenter profile) in the reverse analysis, the elastoplastic properties of several unknown materials that exhibit visually indistinguishable load-displacement curves can be uniquely determined with a sharp indentation

    Recent Progress in the 3D Experimentation and Simulation of Nanoindents

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    vervollständigt von L. Pestalozzi ; Ausführung und Stich von J.H. BachofenWestsüdwestorientier
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