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EXAFS Studies on Local Atomic Structure in the Amorphous Mg65Cu25Gd10 Alloy
Li, GQ; Zheng, LJ; Cai Q(蔡泉); Cai, QA; Li, HX; Wang, XM; Sun, TY
2011
发表期刊JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
卷号26期号:1页码:98-101
通讯作者[Li Guoqiang ; Wang Xiaomin] China Perfect Machinery Ind Corp Ltd, Business Dev Dept, Shanghai 200061, Peoples R China ; [Zheng Lijing ; Li Huanxi] Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100083, Peoples R China ; [Cai Quan] Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China ; [Sun Tianyu] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
文章类型Article
摘要Local atomic structures of an amorphous Mg65Cu25Gd10 alloy and the structural changes by thermal annealing have been studied by extended X-ray absorption fine structure (EXAFS). The correlation between structural changes and mechanical properties for the Mg65Cu25Gd10 alloy has also been discussed. Results showed that Cu atoms around Gd in Mg65Cu25Gd10 lost rapidly during annealing, resulting in the segregation of Cu atoms. The coordination number NGd-mg of Mg65Cu25Gd10 annealed at 373 K first diminished and then augmented with the increase of annealing time. The formation of polyhedral short-range order unit with coordination number of nearly 12 around Gd atoms is in favor of the improvement of mechanical properties. The chemical short-range order, not topological short-range order in the amorphous Mg65Cu25Gd10 alloy had obvious changes during annealing.
关键词magnesium alloy amorphous alloy short-range EXAFS mechanical properties annealing
学科领域Materials Science
研究领域[WOS]Materials Science ; Materials Science
DOI10.1007/s11595-011-0176-6
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语种英语
研究领域[WOS]Materials Science ; Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000287071500022
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/236816
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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Li, GQ,Zheng, LJ,Cai Q,et al. EXAFS Studies on Local Atomic Structure in the Amorphous Mg65Cu25Gd10 Alloy[J]. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,2011,26(1):98-101.
APA Li, GQ.,Zheng, LJ.,蔡泉.,Cai, QA.,Li, HX.,...&Sun, TY.(2011).EXAFS Studies on Local Atomic Structure in the Amorphous Mg65Cu25Gd10 Alloy.JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,26(1),98-101.
MLA Li, GQ,et al."EXAFS Studies on Local Atomic Structure in the Amorphous Mg65Cu25Gd10 Alloy".JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION 26.1(2011):98-101.
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