期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 375, 期 -, 页码 1182-1185出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2003.10.032
关键词
crystallisation; elasticity; metallic glass; nanoindentation; plasticity; shear band
Nanoindentation loading curves on metallic glasses can show sharp, constant-load steps. The relationship of these steps to shear-band initiation is explored for a wide range of metallic glasses, from thin films to bulk. On a given loading curve, there is a well defined strain for initiation of shear bands. The steps may be blurred by instrumental effects or partial devitrification. The nanoindentation results do not suggest a transition in deformation mode as a function of strain rate. (C) 2003 Elsevier B.V. All rights reserved.
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