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Microstructural percolation assisted breakthrough of trade-off between strength and ductility in CuZr-based metallic glass composites
Z. Q. Liu; G. Liu; R. T. Qu; Z. F. Zhang; S. J. Wu; T. Zhang
2014
Source PublicationScientific Reports
ISSN2045-2322
Volume4
AbstractAs two important mechanical properties, strength and ductility generally tend to be muturally exclusive in conventional engineering materials. The breakthrough of such a trade-off has been potentiated by the recently developed CuZr-based bulk metallic glass (BMG) composites ductilized by a shape memory CuZr(B2) phase. Here the microstructural dependences of tensile properties for the CuZr-based BMG composites were elucidated qualitatively and modeled quantitatively, and the underlying mechanisms were unraveled. Through the microstructural percolation induced by matching the length scales of particle size and interparticle spacing, a notable breakthrough was achieved in the composites that the general conflicts between strength and ductility can be defeated. This study is expected to greatly aid in the microstructural design and tailoring for improved properties of BMG composites. It also has implications for the development of strong and ductile materials in the future.
description.department[liu, z. q. ; wu, s. j. ; zhang, t.] beihang univ, sch mat sci & engn, key lab aerosp mat & performance, minist educ, beijing 100191, peoples r china. [liu, g.] xi an jiao tong univ, state key lab mech behav mat, sch mat sci & engn, xian 710049, peoples r china. [liu, z. q. ; qu, r. t. ; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zhang, t (reprint author), beihang univ, sch mat sci & engn, key lab aerosp mat & performance, minist educ, beijing 100191, peoples r china. ; zhangtao@buaa.edu.cn
KeywordMatrix Composites Mechanical-properties Tensile Ductility Deformation Toughness Transformation Reinforcement Improvement Dendrites Model
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72558
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. Q. Liu,G. Liu,R. T. Qu,et al. Microstructural percolation assisted breakthrough of trade-off between strength and ductility in CuZr-based metallic glass composites[J]. Scientific Reports,2014,4.
APA Z. Q. Liu,G. Liu,R. T. Qu,Z. F. Zhang,S. J. Wu,&T. Zhang.(2014).Microstructural percolation assisted breakthrough of trade-off between strength and ductility in CuZr-based metallic glass composites.Scientific Reports,4.
MLA Z. Q. Liu,et al."Microstructural percolation assisted breakthrough of trade-off between strength and ductility in CuZr-based metallic glass composites".Scientific Reports 4(2014).
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