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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
Publisher: Amer Inst Physics
Source: Applied physics letters, 2013, v. 103, no. 10, 101907 How to cite?
Journal: Applied Physics Letters 
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.
ISSN: 0003-6951
DOI: 10.1063/1.4820782
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