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Structure Relaxation of Mg65Cu25Gd10 Metallic Glass and Its Effect on Strength
Li, GQ; Cai Q(蔡泉); Cai, Q; Li, HX; Zheng, LJ; He, B; Sun, TY
2009
发表期刊JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
卷号24期号:2页码:210-213
通讯作者[Li Guoqiang ; Li Huanxi ; Zheng Lijing] Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100083, Peoples R China ; [Li Guoqiang ; Li Huanxi ; Zheng Lijing] China Perfect Machinery Ind Corp Ltd, Shanghai 200002, Peoples R China ; [Cai Quan] Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China ; [He Bo] Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China ; [Sun Tianyu] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
摘要To identify the re-arrangement of constituent atoms of an amorphous Mg65Cu25Gd10 alloy happened with annealing, structure relaxation of the alloy was investigated as a function of annealing time at 373 K through extended X-ray absorption fine structure (EXAFS) analysis procedures. To understand the effect of structure relaxation on strength, compression tests were conducted for both the as-cast and the annealed Mg65Cu25Gd10 samples. It is found that short range order around Cu and Gd atoms exhibits different variation trends with increasing annealing time at 373 K, though the structure of the alloy still remains to be amorphous. Based on the fact that the strength of the alloy first exhibits a reduction and then a recovery with annealing time, it is suggested that the enhancement. of short range order around Cu should be responsible for the strength reduction, while the enhancement of short range order around Gd should be responsible for the strength recovery.
文章类型Article
关键词Mg-based metallic glass structure relaxation strength annealing
学科领域Materials Science
DOI10.1007/s11595-009-2210-5
研究领域[WOS]Materials Science
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语种英语
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000266552500009
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236853
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Li, GQ,Cai Q,Cai, Q,et al. Structure Relaxation of Mg65Cu25Gd10 Metallic Glass and Its Effect on Strength[J]. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,2009,24(2):210-213.
APA Li, GQ.,蔡泉.,Cai, Q.,Li, HX.,Zheng, LJ.,...&Sun, TY.(2009).Structure Relaxation of Mg65Cu25Gd10 Metallic Glass and Its Effect on Strength.JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,24(2),210-213.
MLA Li, GQ,et al."Structure Relaxation of Mg65Cu25Gd10 Metallic Glass and Its Effect on Strength".JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION 24.2(2009):210-213.
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