Journal
SCRIPTA MATERIALIA
Volume 60, Issue 7, Pages 567-570Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2008.12.013
Keywords
Compression test; Metallic glasses; Plastic deformation; Shear bands; Free volume
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Funding
- Swiss National Science Foundation [200020-120258]
- Swiss National Science Foundation (SNF) [200020-120258] Funding Source: Swiss National Science Foundation (SNF)
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Uniaxial compression experiments on 0.3, 1 and 3 mu m diameter micropillars of a Zr-based bulk metallic glass in as-cast, shot-peened and structurally relaxed conditions were conducted. Shear band formation and stable propagation is observed to be the plastic deformation mode in all cases, with no detectable difference in yield strength according to either size or condition. The limitations of uniaxial compression tests in assessing the influence of various material conditions on plasticity, when it is inhomogeneous in nature, are illustrated. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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