Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/64472
Title: Simulation of shear banding and crack propagation in bulk metallic glass matrix composites
Authors: Zhang, HY
Zheng, GP 
Keywords: Metallic glasses
Metal matrix composite
Mechanical properties
Computer simulations
Issue Date: 2013
Publisher: Elsevier
Source: Journal of alloys and compounds, 2013, v. 586, no. Suppl. 1, p. S262-S266 How to cite?
Journal: Journal of alloys and compounds 
Abstract: The mechanisms of shear banding in Zr-based bulk metallic glasses (BMGs) containing dendrite phase such as β-Zr2Cu are numerically investigated using the phase-field simulation approaches. The growth of dendrite is simulated based on Elder’s solidification theory. The interactions between the shear bands and the dendrites are studied using the phase-field model for shear banding in BMGs. It is found that the properties of dendrites such as the rotation angle representing their dispersion patterns and their fracture energy significantly affect the branching, multiplication and detour of shear bands, which result in the improved ductility of the composites. The simulation evaluates quantitatively the properties of dendrites that determine the features of shear banding in the composites.
URI: http://hdl.handle.net/10397/64472
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2013.03.159
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