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Crystallographic account of an ultra-long period stacking ordered phase in an Mg88Co5Y7 alloy
Jin, Q. Q.; Shao, X. H.; Peng, Z. Z.; You, J. H.; Qiu, K. Q.; Ma, X. L.; Shao, XH; Ma, XL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-02-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume693Pages:1035-1038
AbstractBy atomic-scale high-angle annular dark field scanning transmission electron microscopy, we characterized a long period stacking ordered (LPSO) phase, 654R, in an Mg88Co5Y7 (at.%) as-cast alloy, which is an ordered intergrowth of 15R and 12H LPSO phases. The unique stacking sequence of 654R LPSO phase can be described as [(T2)(10)(T3 (T) over bar3)(14)](3), with lattice parameters of a = 0.321 nm, c = 170.4 nm, and a space group of R (3) over barm. T/(T) over bar refers to AB'C/AC'B building blocks, while normal and subscript number respectively represent the number of Mg layers sandwiched between T/(T) over bar and the number of sub unit cells. The formation mechanism of 654R LPSO phase is also proposed. (C) 2016 Elsevier B.V. All rights reserved.; By atomic-scale high-angle annular dark field scanning transmission electron microscopy, we characterized a long period stacking ordered (LPSO) phase, 654R, in an Mg88Co5Y7 (at.%) as-cast alloy, which is an ordered intergrowth of 15R and 12H LPSO phases. The unique stacking sequence of 654R LPSO phase can be described as [(T2)(10)(T3 (T) over bar3)(14)](3), with lattice parameters of a = 0.321 nm, c = 170.4 nm, and a space group of R (3) over barm. T/(T) over bar refers to AB'C/AC'B building blocks, while normal and subscript number respectively represent the number of Mg layers sandwiched between T/(T) over bar and the number of sub unit cells. The formation mechanism of 654R LPSO phase is also proposed. (C) 2016 Elsevier B.V. All rights reserved.
description.department[jin, q. q.] univ sci & technol china, sch mat sci & engn, hefei 230026, peoples r china ; [jin, q. q. ; shao, x. h. ; peng, z. z. ; ma, x. l.] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [you, j. h. ; qiu, k. q.] shenyang univ technol, sch mat sci & engn, 111 shenliao west rd, shenyang 110178, peoples r china
KeywordMagnesium Alloys Long Period Stacking Ordered (Lpso) Structure Haadf-stem Building Block
Subject AreaChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Science Foundation of China [51301177]; Innovation Fund of IMR [SCJJ-2013-PY-08, 2015-PY08]; Youth Fund of SYNL fund [2015FP18]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78297
Collection中国科学院金属研究所
Corresponding AuthorShao, XH; Ma, XL (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Jin, Q. Q.,Shao, X. H.,Peng, Z. Z.,et al. Crystallographic account of an ultra-long period stacking ordered phase in an Mg88Co5Y7 alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,693:1035-1038.
APA Jin, Q. Q..,Shao, X. H..,Peng, Z. Z..,You, J. H..,Qiu, K. Q..,...&Ma, XL .(2017).Crystallographic account of an ultra-long period stacking ordered phase in an Mg88Co5Y7 alloy.JOURNAL OF ALLOYS AND COMPOUNDS,693,1035-1038.
MLA Jin, Q. Q.,et al."Crystallographic account of an ultra-long period stacking ordered phase in an Mg88Co5Y7 alloy".JOURNAL OF ALLOYS AND COMPOUNDS 693(2017):1035-1038.
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