| Dissociation of Tilt Dislocation Walls in Au | |
| Geng, Yu-Juan1,2; Wang, Chun-Yang3; Yan, Jing-Xin1,4; Zhang, Zhen-Jun1; Yang, Hua-Jie1; Yang, Jin-Bo1,2; Du, Kui3; Zhang, Zhe-Feng1,2 | |
| 通讯作者 | Yang, Jin-Bo(jbyang@imr.ac.cn) ; Du, Kui(kuidu@imr.ac.cn) ; Zhang, Zhe-Feng(zhfzhang@imr.ac.cn) |
| 2022-05-21 | |
| 发表期刊 | ACTA METALLURGICA SINICA-ENGLISH LETTERS
 |
| ISSN | 1006-7191 |
| 页码 | 6 |
| 摘要 | The movement or dissociation of dislocations is significantly important for better understanding the plastic deformation mechanisms and mechanical properties of metals. It is commonly believed that a dislocation < 110 > /2 in Au is easy to dissociate into a pair of Shockley partial dislocations < 112 > /6 due to low stacking fault energy (SFE). Contrary to this prevailing perception, the present atomistic modeling demonstrates that this reaction could be completely suppressed when dislocations < 110 > /2 are grouped into tilt walls, consistent with our experimental observations. Such phenomenon is actually the extreme case accompanying with the variation of Burgers vectors of partials with tilt angle, as revealed by a series of simulations, from which it is clearly seen that the Burgers vectors of partials deviate considerably from that of Shockley partials, enormously depending on the tilt angle. Our findings could facilitate a better understanding on many phenomena and properties of face-centered cubic metals (FCC). |
| 关键词 | Dislocation Tilt wall Stacking fault Dissociation Grain boundary |
| 资助者 | National Natural Science Foundation of China ; K.C. Wong Education Foundation |
| DOI | 10.1007/s40195-022-01409-3 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Natural Science Foundation of China[52071316] ; National Natural Science Foundation of China[51771206] ; National Natural Science Foundation of China[51571198] ; K.C. Wong Education Foundation[GJTD-2020-09] |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| WOS类目 | Metallurgy & Metallurgical Engineering |
| WOS记录号 | WOS:000798472500002 |
| 出版者 | CHINESE ACAD SCIENCES, INST METAL RESEARCH |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.imr.ac.cn/handle/321006/174066 |
| 专题 | 中国科学院金属研究所 |
| 通讯作者 | Yang, Jin-Bo; Du, Kui; Zhang, Zhe-Feng |
| 作者单位 | 1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 4.Chongqing Jiaotong Univ, Sch Mat Sci & Engn, Chongqing 400074, Peoples R China |
| 推荐引用方式 GB/T 7714 | Geng, Yu-Juan,Wang, Chun-Yang,Yan, Jing-Xin,et al. Dissociation of Tilt Dislocation Walls in Au[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2022:6. |
| APA | Geng, Yu-Juan.,Wang, Chun-Yang.,Yan, Jing-Xin.,Zhang, Zhen-Jun.,Yang, Hua-Jie.,...&Zhang, Zhe-Feng.(2022).Dissociation of Tilt Dislocation Walls in Au.ACTA METALLURGICA SINICA-ENGLISH LETTERS,6. |
| MLA | Geng, Yu-Juan,et al."Dissociation of Tilt Dislocation Walls in Au".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2022):6. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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