The stable configurations of vacancy clusters and their effect on neighboring vacancy migration behavior in TiAl | |
Wang BY(王宝义)![]() ![]() ![]() ![]() | |
2001 | |
发表期刊 | RARE METAL MATERIALS AND ENGINEERING (IF:0.258[JCR-2016],0.245[5-Year]) |
卷号 | 30期号:5页码:326-+ |
通讯作者 | Beijing Univ Aeronaut & Astronaut, Res Ctr Mat Phys & Chem, Beijing 100083, Peoples R China ; Lanzhou Univ, Sch Phys Sci & Tech, Dept Mat Sci, Lanzhou 730000, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100083, Peoples R China |
文章类型 | Article |
摘要 | The Molecular Dynamics Method with the Finnis-Sinclair many-body potential is used to calculate the formation energies and combination energies of some small vacancy clusters with different configurations in TiAl. The most stable configuration of a vacancy cluster and its effect on vacancy migration nearby the cluster are simulated and discussed. The results show that, in the most stable configuration, each vacancy makes its best endeavor to form nearest neighbor relationship with the other vacancies, and there are anti-site defect nearby the cluster. The atoms nearby the vacancy cluster would move towards the cluster center for bigger cluster, and it seems that there exist interstitials in the vacancy cluster. The existing vacancy cluster as the aggregation center of vacancy has the ability of trapping or absorbing the near vacancy. |
关键词 | computer simulation intermetallic compound TiAl Vacancy Vacancy cluster migration |
学科领域 | Materials Science; Metallurgy & Metallurgical Engineering |
URL | 查看原文 |
语种 | 英语 |
WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
WOS类目 | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
WOS记录号 | WOS:000171963400002 |
引用统计 | 正在获取...
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文献类型 | 期刊论文 |
条目标识符 | https://ir.ihep.ac.cn/handle/311005/236994 |
专题 | 多学科研究中心 加速器中心 |
作者单位 | 中国科学院高能物理研究所 |
第一作者单位 | 中国科学院高能物理研究所 |
推荐引用方式 GB/T 7714 | Wang BY,Wang, TM,Wang, WJ,et al. The stable configurations of vacancy clusters and their effect on neighboring vacancy migration behavior in TiAl[J]. RARE METAL MATERIALS AND ENGINEERING,2001,30(5):326-+. |
APA | 王宝义,Wang, TM,Wang, WJ,Zhang, HT,&Wang, BY.(2001).The stable configurations of vacancy clusters and their effect on neighboring vacancy migration behavior in TiAl.RARE METAL MATERIALS AND ENGINEERING,30(5),326-+. |
MLA | 王宝义,et al."The stable configurations of vacancy clusters and their effect on neighboring vacancy migration behavior in TiAl".RARE METAL MATERIALS AND ENGINEERING 30.5(2001):326-+. |
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