Journal
SCRIPTA MATERIALIA
Volume 62, Issue 1, Pages 13-16Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.09.014
Keywords
Metallic glasses; Crystallization; Nanoindentation
Categories
Funding
- DURSI [12009-SGR-1292]
- MEC [MAT 2007-61629]
- Spanish Ministerio de Ciencia e Innovacion
- ICREA Funding Source: Custom
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Bulk metallic glass with composition Zr62Cu18Ni10Al10 exhibits high yield stress, large elasticity and large plasticity when compressed. During nanoindentation, strain hardening is observed until the maximum applied load reaches 100 mN; for higher maximum loads the typical softening found in metallic glasses is evidenced. Transmission electron microscopy observation of the nanoindented and compressed samples reveals the occurrence of deformation-induced nanocrystallization, which is likely to be related to the mechanical properties observed in this alloy. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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