Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23344
Title: Bulk metallic glass composite with good tensile ductility, high strength and large elastic strain limit
Authors: Wu, FF
Chan, KC 
Jiang, SS
Chen, SH
Wang, G
Issue Date: 2014
Source: Scientific reports, 16 2014, v. 4, no. , p. 1-6
Abstract: Bulk metallic glasses exhibit high strength and large elastic strain limit but have no tensile ductility. However, bulk metallic glass composites reinforced by in-situ dendrites possess significantly improved toughness but at the expense of high strength and large elastic strain limit. Here, we report a bulk metallic glass composite with strong strain-hardening capability and large elastic strain limit. It was found that, by plastic predeformation, the bulk metallic glass composite can exhibit both a large elastic strain limit and high strength under tension. These unique elastic mechanical properties are attributed to the reversible B2 ↠"B19′2 phase transformation and the plastic-predeformation-induced complicated stress state in the metallic glass matrix and the second phase. These findings are significant for the design and application of bulk metallic glass composites with excellent mechanical properties.
Publisher: Nature Publishing Group
Journal: Scientific reports 
EISSN: 2045-2322
DOI: 10.1038/srep05302
Rights: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
The following publication Wu, F., Chan, K., Jiang, S. et al. Bulk metallic glass composite with good tensile ductility, high strength and large elastic strain limit. Sci Rep 4, 5302 (2015) is available at https://dx.doi.org/10.1038/srep05302
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