Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30127
Title: Characteristic length scales governing plasticity/brittleness of bulk metallic glasses at ambient temperature
Authors: Yang, Y
Ye, JC
Lu, J
Liaw, PK
Liu, CT
Issue Date: 2010
Publisher: American Institute of Physics
Source: Applied physics letters, 2010, v. 96, no. 1, 11905 How to cite?
Journal: Applied physics letters 
Abstract: In this letter, we propose a unified theory for the size-dependent plasticity of bulk metallic glasses (BMGs) at room temperature. Based on the principle of energy balance and the shear-banding kinetics, two characteristic length scales are derived. One is a sample-geometry dependent variable related to the elastic energy released to drive shear-band propagation and the other is a material-dependent constant related to the internal resistance to brittle fracture. It is shown that this unified theory is effective in explaining many unusual deformation and fracture behaviors of BMGs.
URI: http://hdl.handle.net/10397/30127
ISSN: 0003-6951
EISSN: 1077-3118
DOI: 10.1063/1.3290246
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