Atomic-scale insight into structure and interface of Al2Y phase in an Mg-Al-Y alloy

doi:10.1002/adem.201701015

CORC > 兰州理工大学 > 兰州理工大学

	Atomic-scale insight into structure and interface of Al2Y phase in an Mg-Al-Y alloy
	Peng, Z. Z.2; Shao, X. H.2; Guo, X. W.2; Wang, J.1; Wang, Y. J.2; Ma, X. L.2,3
刊名	Advanced Engineering Materials
	2018-04-01
卷号	20 期号:4
关键词	Aluminum alloys Aspect ratio Atoms Binary alloys Density functional theory Grain boundaries High resolution transmission electron microscopy Interfaces (materials) Magnesium alloys Magnesium metallography Scanning electron microscopy Ternary alloys Transmissions Yttrium metallography Al2Y phase Atomic scale Atomic scale structures First principle simulation First-principles simulations Large aspect ratio Lattice misfits Scanning transmission electron microscopy
ISSN号	14381656
DOI	10.1002/adem.201701015
英文摘要	Atomic-scale structure of Al2Y phase and its interface with magnesium matrix in an Mg-1Al-6.2Y (wt%) alloy have been investigated using scanning transmission electron microscopy (STEM) and density-functional theory (DFT). Apart from micro-sized Al2Y particles in the interior of grains or along grain boundaries, nano-sized Al2Y lamella with a large aspect ratio precipitates within the grains. Y enriched stacking faults are introduced at the lamellar Al2Y/Mg interface due to 0.07% lattice misfit between (022)Al2Y and (0110)Mg planes. The first-principles simulation clarifies that Al2Y/Mg interface is energetically occupied by Al atoms other than Y atoms. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
资助项目	SYNL[2015FP18] ; SYNL[2017FP16]
WOS研究方向	Materials Science
语种	英语
出版者	Wiley-VCH Verlag
WOS记录号	WOS:000432225500034
状态	已发表
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/114845]
专题	兰州理工大学材料科学与工程学院
通讯作者	Shao, X. H.
作者单位	1.Shenyang Aerosp Univ, Dept Mat Sci & Engn, 37 Daoyi South Ave, Shenyang 110136, Liaoning, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 3.Lanzhou Univ Technol, Sch Mat Sci & Engn, 287 Langongping Rd, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Peng, Z. Z.,Shao, X. H.,Guo, X. W.,et al. Atomic-scale insight into structure and interface of Al2Y phase in an Mg-Al-Y alloy[J]. Advanced Engineering Materials,2018,20(4).
APA	Peng, Z. Z.,Shao, X. H.,Guo, X. W.,Wang, J.,Wang, Y. J.,&Ma, X. L..(2018).Atomic-scale insight into structure and interface of Al2Y phase in an Mg-Al-Y alloy.Advanced Engineering Materials,20(4).
MLA	Peng, Z. Z.,et al."Atomic-scale insight into structure and interface of Al2Y phase in an Mg-Al-Y alloy".Advanced Engineering Materials 20.4(2018).