Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/64470
Title: Simulation of shear banding and crack propagation in bulk metallic glass matrix composites
Authors: Zheng, GP 
Shen, Y
Keywords: Metallic glasses
Composite
Shear band
Computer simulations
Issue Date: 2011
Publisher: Elsevier
Source: Journal of alloys and compounds, 2011, v. 509, no. Suppl. 1, p. S 136-S140 How to cite?
Journal: Journal of alloys and compounds 
Abstract: Different modes of shear banding in bulk metallic glass (BMG) matrix composites are identified from the systematic simulation studies based on a mesoscopic phase-field model for deformation in glassy alloys. We characterize the interaction between shear band and crystalline reinforcements by considering the residual stress and atomic bonding condition at the interface between BMG-matrix and the reinforcement. The simulation demonstrates that compressive residual stress assists to impede the shear bands propagating toward the reinforcements, while tensile residual stress accelerates such process. In addition, the effect of atomic bonding at the interface on shear banding is investigated by the simulation. The relations between the fracture toughness and the residual stress and atomic bonding condition at the interface are quantitatively determined.
URI: http://hdl.handle.net/10397/64470
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2010.08.131
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