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Formation of long-period stacking ordered structures in Mg88M5Y7 (M = Ti, Ni and Pb) casting alloys
Q. Q. Jin; C. F. Fang; S. B. Mi
2013
Source PublicationJournal of Alloys and Compounds
ISSN0925-8388
Volume568Pages:21-25
AbstractFormation of long-period stacking ordered (LPSO) structures is investigated in Mg88M5Y7 (M = Ti, Ni and Pb) casting alloys by means of electron microscopy and X-ray diffraction. In the Mg88Ni5Y7 casting alloy, 14H-LPSO structure is observed in a small amount, which coexists with 18R-LPSO structure. The appearance of stacking faults in 18R-LPSO structure results in twin-related structure in the stacking sequence of the closely packed planes. Anew (Pb, Mg)(2)Y phase with a body-centered orthorhombic structure is determined in the Mg88Pb5Y7 alloy. No LPSO structures are found in the Mg88Pb5Y7 and Mg88Ti5Y7 casting alloys. In terms of the atomic radius and heat of mixing, the formation ability of LPSO structure in the present alloys is discussed. (C) 2013 Elsevier B.V. All rights reserved.
description.department[jin, qian-qian ; mi, shao-bo] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [fang, can-feng] dalian univ technol, sch mat sci & engn, dalian 116024, peoples r china. ; fang, cf (reprint author), dalian univ technol, sch mat sci & engn, dalian 116024, peoples r china. ; fcf@dlut.edu.cn ; sbmi@imr.ac.cn
KeywordMagnesium-based Alloys Long-period Stacking Ordered Structure Electron Microscopy Twin Structure Solid-solution y Alloy Zn Strength Magnesium Polytypes System Phase Heat
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71288
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q. Q. Jin,C. F. Fang,S. B. Mi. Formation of long-period stacking ordered structures in Mg88M5Y7 (M = Ti, Ni and Pb) casting alloys[J]. Journal of Alloys and Compounds,2013,568:21-25.
APA Q. Q. Jin,C. F. Fang,&S. B. Mi.(2013).Formation of long-period stacking ordered structures in Mg88M5Y7 (M = Ti, Ni and Pb) casting alloys.Journal of Alloys and Compounds,568,21-25.
MLA Q. Q. Jin,et al."Formation of long-period stacking ordered structures in Mg88M5Y7 (M = Ti, Ni and Pb) casting alloys".Journal of Alloys and Compounds 568(2013):21-25.
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