| Atomic segregation at twin boundaries in a Mg-Ag alloy | |
Chen XF(陈雪飞)1,2; Xiao LR3; Ding ZG3; Liu W3; Zhu YT3,4; Wu XL(武晓雷)1,2
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| Corresponding Author | Ding, Z. G.([email protected]) ; Wu, X. L.([email protected]) |
| Source Publication | SCRIPTA MATERIALIA
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| 2020-03-01 | |
| Volume | 178Pages:193-197 |
| ISSN | 1359-6462 |
| Abstract | Segregation of solute atoms at twin boundaries (TBs) plays a critical role in mechanical properties and thermal stability of magnesium alloys. Here, segregation structures at {10 (1) over bar1}, {10 (1) over bar2} and {10 (1) over bar3} TBs are characterized in a Mg-Ag alloy by means of the atomic resolution high-angle annular dark-field technique based on scanning transmission electron microscopy. Of particular finding is the unique complex segregation at {10 (1) over bar3} TBs, where Ag atoms occupy both substitutional and interstitial sites. By contrast, Ag atoms only substitutionally segregate at {10 (1) over bar1} and {10 (1) over bar2} TBs. Calculation simulation of segregation energy and three-dimensional structure of TBs helps understanding of hybrid segregation. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| Keyword | Segregation Twin boundary Magnesium alloy HAADF-STEM |
| DOI | 10.1016/j.scriptamat.2019.11.025 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000510947200038 |
| WOS Keyword | INTERFACIAL SEGREGATION ; DEFORMATION ; MECHANISM ; PHASE |
| WOS Research Area | Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| Funding Project | National Key Research and Development Program of China[2017YFA0204402] ; National Natural Science Foundation of China[51601003] ; National Natural Science Foundation of China[11672323] ; National Natural Science Foundation of China[11572328] ; National Natural Science Foundation of China[51901103] ; National Natural Science Foundation of China[51601204] ; Fundamental Research Funds for the Central Universities[30918011342] ; U.S. Army Research Office[W911 NF-17-1-0350] |
| Funding Organization | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; U.S. Army Research Office |
| Classification | 一类 |
| Ranking | 1 |
| Contributor | Ding, Z. G. ; Wu, X. L. |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/81542 |
| Collection | 非线性力学国家重点实验室 |
| Affiliation | 1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 3.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nano & Heterogeneous Mat Ctr, Nanjing 210094, Peoples R China; 4.North Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA |
| Recommended Citation GB/T 7714 | Chen XF,Xiao LR,Ding ZG,et al. Atomic segregation at twin boundaries in a Mg-Ag alloy[J]. SCRIPTA MATERIALIA,2020,178:193-197.Rp_Au:Ding, Z. G., Wu, X. L. |
| APA | 陈雪飞,Xiao LR,Ding ZG,Liu W,Zhu YT,&武晓雷.(2020).Atomic segregation at twin boundaries in a Mg-Ag alloy.SCRIPTA MATERIALIA,178,193-197. |
| MLA | 陈雪飞,et al."Atomic segregation at twin boundaries in a Mg-Ag alloy".SCRIPTA MATERIALIA 178(2020):193-197. |
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| Jp2020035.pdf（2575KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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