Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22576
Title: Shear avalanches in metallic glasses under nanoindentation : deformation units and rate dependent strain burst cut-off
Authors: Bian, XL
Wang, G
Chan, KC 
Ren, JL
Gao, YL
Zhai, QJ
Issue Date: 2013
Source: Applied physics letters, 2013, v. 103, no. 10, 101907, p. 101907-1-101907-4
Abstract: Indented metallic glasses at the nanoscale deform via strain bursts. Conventional continuum descriptions are not appropriate for such highly stochastic, intermittent deformations. In this study, after a statistical analysis of strain bursts in five metallic glasses, the dependence of the cut-off of the strain burst size on deformation units and loading rate is established. For soft metallic glasses with smaller deformation units, cut-off of the strain burst size truncates the scale-free behavior at larger strain burst sizes. For hard metallic glasses, scale-free behavior occurs in a wide range of strain burst sizes.
Publisher: American Institute of Physics
Journal: Applied physics letters 
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.4820782
Rights: © 2013 AIP Publishing LLC.
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in X. L. Bian et al., Appl. Phys. Lett. 103, 101907 (2013) and may be found at https://dx.doi.org/10.1063/1.4820782
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