Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11042
Title: Evolution of shear bands and its correlation with mechanical response of a ductile Zr55Pd10Cu20Ni5Al10 bulk metallic glass
Authors: Liu, YH
Liu, CT
Gali, A
Inoue, A
Chen, MW
Keywords: Bulk metallic glasses
Mechanical properties
Plasticity
Shear bands
Issue Date: 2010
Publisher: Elsevier
Source: Intermetallics, 2010, v. 18, no. 8, p. 1455-1464 How to cite?
Journal: Intermetallics 
Abstract: The correlation between three-dimensional spatial evolution of shear bands and mechanical response of a ductile Zr55Pd10Cu20Ni5Al10 bulk metallic glass (BMG) was investigated by an interrupted compression technique combining with systematic scanning electron microscope observations. It was found that the formation of shear bands is determined primarily by the inherent material behavior whereas the external factors, such as surface imperfections, impose only minor influence. At the early stage of plastic deformation, the serration events were discovered to arise from coupled operation of multiple shear bands. The shear band operation takes place in a progressive manner. The resistance for shear band propagation appears to be higher than that for their initiation, leading to an apparent strain-hardening during the transition from elastic deformation to steady plastic flow. The plasticity of BMGs depends on the competition between the formation of new shear bands and the reactivation of primary shear bands during plastic deformation and large plastic strain of ductile BMGs is mainly accomplished by the formation of new shear bands. This study provides comprehensive observations on the low-temperature deformation process of BMGs for understanding the mechanical properties of glassy alloys.
URI: http://hdl.handle.net/10397/11042
ISSN: 0966-9795
EISSN: 1879-0216
DOI: 10.1016/j.intermet.2010.03.037
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

27
Last Week
0
Last month
0
Citations as of Oct 7, 2017

WEB OF SCIENCETM
Citations

26
Last Week
0
Last month
0
Citations as of Oct 13, 2017

Page view(s)

52
Last Week
1
Last month
Checked on Oct 16, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.