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Innovative approach to the design of low-cost Zr-based BMG composites with good glass formation
J. L. Cheng; G. Chen; C. T. Liu; Y. Li
2013
Source PublicationScientific Reports
ISSN2045-2322
Volume3
AbstractThe high manufacturing cost for metallic glasses hampers actual commercial applications of this class of fascinating materials. In this letter, the effect of oxygen impurity on the glass forming ability and tensile properties of Zr-BMG composites were studied. Our results have demonstrated that oxygen was absorbed and concentrated only in the precipitated b-Zr phase, leading that the remainder molten metal retains good glass forming ability. The high oxygen concentration in the b-Zr phase induces a significant solid-solution strengthening effect, this resulting in an enhanced strength of the BMG composites without sacrificing their overall ductility. Based on this alloying strategy, we have successfully developed the low-cost Zr-based BMG composites with excellent tensile properties and good glass forming ability, using the low grade industrial raw materials processed under industrial vacuum systems. This finding is expected to greatly cut down the manufacturing cost and greatly promote the commercial applications of the BMG composites.
description.department[cheng, jia-lin ; chen, guang] nanjing univ sci & technol, minist educ, engn res ctr mat behav & design, nanjing 210094, jiangsu, peoples r china. [cheng, jia-lin] nanjing inst technol, sch mat engn, nanjing 211167, jiangsu, peoples r china. [liu, chain-tsuan] city univ hong kong, coll sci & engn, meb dept, ctr adv struct mat, kowloon, hong kong, peoples r china. [li, yi] natl univ singapore, dept mat sci & engn, singapore 117576, singapore. [li, yi] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; chen, g (reprint author), nanjing univ sci & technol, minist educ, engn res ctr mat behav & design, nanjing 210094, jiangsu, peoples r china. ; gchen@njust.edu.cn
KeywordBulk Metallic Glasses Mechanical-properties Oxygen Impurity Alloy Ductility Tensile Phase Crystallization Microstructure Stabilization
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71171
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. L. Cheng,G. Chen,C. T. Liu,et al. Innovative approach to the design of low-cost Zr-based BMG composites with good glass formation[J]. Scientific Reports,2013,3.
APA J. L. Cheng,G. Chen,C. T. Liu,&Y. Li.(2013).Innovative approach to the design of low-cost Zr-based BMG composites with good glass formation.Scientific Reports,3.
MLA J. L. Cheng,et al."Innovative approach to the design of low-cost Zr-based BMG composites with good glass formation".Scientific Reports 3(2013).
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