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Atomic-Scale Insight into Structure and Interface of Al2Y Phase in an Mg-Al-Y Alloy
Peng, ZZ; Shao, XH; Guo, XW; Wang, J; Wang, YJ; Ma, XL; Shao, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-04-01
发表期刊ADVANCED ENGINEERING MATERIALS
ISSN1438-1656
卷号20期号:4页码:-
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 (0 (1) over bar 10)(Mg) planes. The first-principles simulation clarifies that Al2Y/Mg interface is energetically occupied by Al atoms other than Y atoms.; 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 (0 (1) over bar 10)(Mg) planes. The first-principles simulation clarifies that Al2Y/Mg interface is energetically occupied by Al atoms other than Y atoms.
部门归属[peng, z. z. ; shao, x. h. ; guo, x. w. ; wang, y. j. ; ma, x. l.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [wang, j.] shenyang aerosp univ, dept mat sci & engn, 37 daoyi south ave, shenyang 110136, liaoning, peoples r china ; [ma, x. l.] lanzhou univ technol, sch mat sci & engn, 287 langongping rd, lanzhou 730050, gansu, peoples r china
关键词Magnesium Alloys Crystal-structure System Microstructure Transformation Gd
学科领域Materials Science, Multidisciplinary
资助者National Natural Science Foundation of China [51301177, 51390473]; National Basic Research Program of China [2014CB921002]; Innovation Fund of IMR [2015-PY08]; SYNL [2015FP18, 2017FP16]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79377
专题中国科学院金属研究所
通讯作者Shao, XH (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
GB/T 7714
Peng, ZZ,Shao, XH,Guo, XW,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, ZZ.,Shao, XH.,Guo, XW.,Wang, J.,Wang, YJ.,...&Shao, XH .(2018).Atomic-Scale Insight into Structure and Interface of Al2Y Phase in an Mg-Al-Y Alloy.ADVANCED ENGINEERING MATERIALS,20(4),-.
MLA Peng, ZZ,et al."Atomic-Scale Insight into Structure and Interface of Al2Y Phase in an Mg-Al-Y Alloy".ADVANCED ENGINEERING MATERIALS 20.4(2018):-.
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