Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13993
Title: Computer simulation of the strong surface effects on deformation behaviors of metallic glass nanowires
Authors: Zheng, GP 
Zhang, HY
Yang, JH
Keywords: Fracture
Hall-Petch effect
Metallic glass
Phase-field model
Shear bands
Issue Date: 2014
Publisher: Pergamon Press
Source: Scripta materialia, 2014, v. 90, no. 1, p. 57-60 How to cite?
Journal: Scripta materialia 
Abstract: Size effects on deformation behaviors of metallic glass (MG) nanowires are found to be associated with their surface imperfections from phase-field modeling. Necking instead of shear banding is the dominant deformation mode in MG nanowire with diameter d < 100 nm, suggesting that nucleation and growth of the flow defects at the nanowire surface could be the deformation mechanism. The surface effect manifests itself by the finite-size scaling for the fracture strength and the critical intrinsic surface defect density.
URI: http://hdl.handle.net/10397/13993
ISSN: 1359-6462
EISSN: 1872-8456
DOI: 10.1016/j.scriptamat.2014.07.017
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