Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5386
Title: Mesoscopic theory of shear banding and crack propagation in metallic glasses
Authors: Zheng, G 
Li, M
Keywords: Cracks
Deformation
Ginzburg-Landau theory
Metallic glasses
Issue Date: 1-Sep-2009
Publisher: American Physical Society
Source: Physical review. B, Condensed matter and materials physics, 1 Sept. 2009, v. 80, no. 10, 104201, p. 1-6 How to cite?
Journal: Physical review. B, Condensed matter and materials physics 
Abstract: We propose a phenomenological theory to model shear banding, shear-band propagation and branching on mesoscopic scales in metallic glasses by using Ginzburg-Landau formulism. The disordering caused by mechanical or thermal agitation is represented by atomic volume dilatation and used as an order parameter. This model captures several important features in the deformation process, namely, shear localization or banding, shear-band propagation and branching, and crack propagation and its velocity. We also assessed the relation between the crack propagation velocity and local heating and the connection between the serrated flow and shear band branching.
URI: http://hdl.handle.net/10397/5386
ISSN: 1098-0121
EISSN: 1550-235X
DOI: 10.1103/PhysRevB.80.104201
Rights: Physical Review B © 2009 The American Physical Society. The Journal's web site is located at http://prb.aps.org/
Appears in Collections:Journal/Magazine Article

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