Nonsymmetrical Segregation of Solutes in Periodic Misfit Dislocations Separated Tilt Grain Boundaries
文献类型：期刊论文
| 作者 | Xie, Hongbo1; Huang, Qiuyan2; Bai, Junyuan1; Li, Shanshan1; Liu, Yang2; Feng, Jianguang2; Yang, Yuansheng2; Pan, Hucheng1; Li, Hongxiao4; Ren, Yuping3,4 |
| 刊名 | NANO LETTERS
 |
| 出版日期 | 2021-04-14 |
| 卷号 | 21期号:7页码:2870-2875 |
| 关键词 | Interface segregation Misfit dislocation Tilt grain boundary Superstructure Magnesium alloy |
| ISSN号 | 1530-6984 |
| DOI | 10.1021/acs.nanolett.0c05008 |
| 通讯作者 | Huang, Qiuyan(qyhuang16b@imr.ac.cn) ; Pan, Hucheng(panhc@atm.neu.edu.cn) |
| 英文摘要 | Interfacial segregation is ubiquitous in mulit-component polycrystalline materials and plays a decisive role in material properties. So far, the discovered solute segregation patterns at special high-symmetry interfaces are usually located at the boundary lines or are distributed symmetrically at the boundaries. Here, in a model Mg-Nd-Mn alloy, we confirm that elastic strain minimization facilitated nonsymmetrical segregation of solutes in four types of linear tilt grain boundaries (TGBs) to generate ordered interfacial superstructures. Aberration-corrected high-angle annular dark-field scanning transmission electron microscopy observations indicate that the solutes selectively segregate at substitutional sites at the linear TGBs separated by periodic misfit dislocations to form such two-dimensional planar structures. These findings are totally different from the classical McLean-type segregation which has assumed the monolayer or submonolayer coverage of a grain boundary and refresh understanding on strain-driven interface segregation behaviors. |
| 资助项目 | National Key Research and Development Program of China[2016YFB0701202] ; National Key Research and Development Program of China[2016YFB0301105] ; National Key Research and Development Program of China[2016YFB0701200] ; National Natural Science Foundation of China[51525101] ; National Natural Science Foundation of China[51971053] ; National Natural Science Foundation of China[U1610253] ; National Natural Science Foundation of China[51701211] ; Project of Promoting Talents in Liaoning Province[XLYC1808038] ; China Postdoctoral Science Foundation[2020M670774] |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000641160500023 |
| 出版者 | AMER CHEMICAL SOC |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Project of Promoting Talents in Liaoning Province ; China Postdoctoral Science Foundation |
| 源URL | [http://ir.imr.ac.cn/handle/321006/161804]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Huang, Qiuyan; Pan, Hucheng |
| 作者单位 | 1.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Northeastern Univ, Res Ctr Met Wires, Shenyang 110819, Peoples R China 4.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xie, Hongbo,Huang, Qiuyan,Bai, Junyuan,et al. Nonsymmetrical Segregation of Solutes in Periodic Misfit Dislocations Separated Tilt Grain Boundaries[J]. NANO LETTERS,2021,21(7):2870-2875. |
| APA | Xie, Hongbo.,Huang, Qiuyan.,Bai, Junyuan.,Li, Shanshan.,Liu, Yang.,...&Qin, Gaowu.(2021).Nonsymmetrical Segregation of Solutes in Periodic Misfit Dislocations Separated Tilt Grain Boundaries.NANO LETTERS,21(7),2870-2875. |
| MLA | Xie, Hongbo,et al."Nonsymmetrical Segregation of Solutes in Periodic Misfit Dislocations Separated Tilt Grain Boundaries".NANO LETTERS 21.7(2021):2870-2875. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。