Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12496
Title: Temperature dependent dynamics transition of intermittent plastic flow in a metallic glass. I. Experimental investigations
Authors: Liu, ZY
Wang, G
Chan, KC 
Ren, JL
Huang, YJ
Bian, XL
Xu, XH
Zhang, DS
Gao, YL
Zhai, QJ
Issue Date: 2013
Publisher: American Institute of Physics
Source: Journal of applied physics, 2013, v. 114, no. 3, 33520 How to cite?
Journal: Journal of applied physics 
Abstract: Cooling shrinkage can increase the atomic packing density of metallic glasses, which can influence their elastic and plastic behaviour. In the present study, the compressive deformation behaviour of a Zr-based metallic glass at temperatures well below the glassy transition temperature, say 123 K to room temperature, is experimentally revealed. The elastic modulus and the shear modulus at different temperatures are measured to elucidate the yield strength changes with temperature according to the model of shear transformation zones. In the plastic regime, based on the SEM observation and the digital scattering correlation method, an enhanced interaction between the elastic shear strain fields initiated by neighbouring shear bands is discussed, which explains the amplitude of serration events decreasing with the temperature decreasing.
URI: http://hdl.handle.net/10397/12496
ISSN: 0021-8979
EISSN: 1089-7550
DOI: 10.1063/1.4815943
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