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@article{851119,
author = {Navrátil, Vladislav and Novotná, Jiřina},
article_location = {Bratislava},
article_number = {3},
keywords = {Microhardness; Indentation; Mathematics; Dislocations},
language = {eng},
issn = {1337-6365},
journal = {Journal of Applied Mathematics},
title = {SOME PROBLEMS OF MICROHARDNESS OF METALS},
volume = {Vol. 2},
year = {2009}
}
TY - JOUR
ID - 851119
AU - Navrátil, Vladislav - Novotná, Jiřina
PY - 2009
TI - SOME PROBLEMS OF MICROHARDNESS OF METALS
JF - Journal of Applied Mathematics
VL - Vol. 2
IS - 3
SP - 241 - 244
EP - 241 - 244
PB - Slovak University of Technology
SN - 13376365
KW - Microhardness
KW - Indentation
KW - Mathematics
KW - Dislocations
N2 - The purpose of our contribution was to study the load dependence of the microhardness. This well known phenomena is called the Indentation Size Effect (ISE) and was investigated for two sets of specimen: pure copper and zinc. Variation of the microhardness with depth of indent (or applied load) 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 the indent.
ER -
NAVRÁTIL, Vladislav a Jiřina NOVOTNÁ. SOME PROBLEMS OF MICROHARDNESS OF METALS. \textit{Journal of Applied Mathematics}. Bratislava: Slovak University of Technology, 2009, Vol. 2, č.~3, s.~241 - 244. ISSN~1337-6365.
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