Journal
SCRIPTA MATERIALIA
Volume 113, Issue -, Pages 145-149Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2015.10.026
Keywords
Metallic glass; Molecular dynamics; Mechanical behavior; Structural relaxation
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Funding
- University of Cagliari
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The activation-relaxation technique is used to explore the potential energy landscape of a Cu64Zr36 metallic glass and to investigate how heating and elastic deformation affect the energy distribution of potential activations. It is shown that heating involves only a few low-energy activations, whereas stress-induced mechanisms are enabled by elastic deformation induce inelastic events over a broader energy range. Observed inelastic events exhibit features similar to those of STZs, which suggests a link between beta relaxation and plastic deformation processes. (C) 2015 Elsevier Ltd. All rights reserved.
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