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@proceedings{1093464, author = {Navrátil, Vladislav and Novotná, Jiřina}, booktitle = {Moderní matematické metody v inženýrství}, keywords = {microhardness; cadmium; zinc; aluminum; copper; artefact; geometrically necessary dislocations}, language = {eng}, title = {Mathematical Models of Indentation Size Effect}, year = {2010} }
TY - CONF ID - 1093464 AU - Navrátil, Vladislav - Novotná, Jiřina PY - 2010 TI - Mathematical Models of Indentation Size Effect KW - microhardness KW - cadmium KW - zinc KW - aluminum KW - copper KW - artefact KW - geometrically necessary dislocations N2 - The purpose of the contribution is to study the size dependence of the microhardness. This well known phenomenon is called the Indentation Size Effect (ISE) and was investigated for four sets of specimen: pure copper, aluminum, cadmium and zinc. Variation of the microhardness with depth of indent was compared with various existing models. For the materials investigated the ISE is not artefact and can be explained by the hypothesis of presence of geometrically necessary dislocations, i.e. dislocations produced to accomodate the gradient in strain surrounding indent. ER -
NAVRÁTIL, Vladislav and Jiřina NOVOTNÁ. Mathematical Models of Indentation Size Effect. In \textit{Moderní matematické metody v inženýrství}. 2010.
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