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Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be22.5 and its surrounding alloys
J. L. Cheng; G. Chen; C. Fan; Y. Li
2014
Source PublicationActa Materialia
ISSN1359-6454
Volume73Pages:194-204
AbstractMicrostructure evolutions were studied as a function of withdrawal velocity and alloy composition for Zr41.2Ti13.8Cu12.5Ni10Be22.5 and its surrounding alloys. The results demonstrate that there is a Zr(Ti)(2)Cu(Ni)-Zr(Ti)Be-2 pseudo-binary eutectic and a Zr(Ti)-Zr(Ti)(2) Cu(Ni)-Zr(Ti)Be-2 pseudo-ternary eutectic in the Zr-Ti-Cu-Ni-Be alloy system. The best glass-forming region was identified to be in the pseudo-binary and pseudo-ternary eutectics. The bulk metallic glass composites with different primary phases can be obtained at the composition which lies in the region between the best glass former and the corresponding primary crystalline phase. This finding confirms that multi-component alloy systems can be considered as pseudo-binary or pseudo-ternary eutectics. A metallographic approach, based on phase selection of the glass over all the competing crystalline phases, can be used to identify the best glass formers and optimum composites in multi-component alloy systems. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[cheng, j. l.] nanjing inst technol, sch mat engn, nanjing 211167, jiangsu, peoples r china. [cheng, j. l. ; chen, g. ; fan, c.] nanjing univ sci & technol, engn res ctr mat behav & design, minist educ, nanjing 210094, jiangsu, peoples r china. [li, y.] natl univ singapore, dept mat sci & engn, singapore 117576, singapore. [li, y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; chen, g (reprint author), nanjing univ sci & technol, engn res ctr mat behav & design, minist educ, nanjing 210094, jiangsu, peoples r china. ; gchen@njust.edu.cn ; mseliy@nus.edu.sg
KeywordGlass Matrix Composites Glass-forming Ability Mechanical Behavior Microstructure Bulk-metallic-glass Bridgman Solidification Fracture-toughness Matrix Composites Zr Deformation System Ductility Behavior Fatigue
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73202
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. L. Cheng,G. Chen,C. Fan,et al. Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be22.5 and its surrounding alloys[J]. Acta Materialia,2014,73:194-204.
APA J. L. Cheng,G. Chen,C. Fan,&Y. Li.(2014).Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be22.5 and its surrounding alloys.Acta Materialia,73,194-204.
MLA J. L. Cheng,et al."Glass formation, microstructure evolution and mechanical properties of Zr41.2Ti13.8Cu12.5Ni10Be22.5 and its surrounding alloys".Acta Materialia 73(2014):194-204.
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