| Molecular dynamics study of the shear deformation in TiAl/Ti3Al system | |
| Liu Yong-Li1; Zhao Xing1,3; Zhang Zong-Ning1; Zhang Lin1; Wang Shao-Qing2; Ye Heng-Qiang2 | |
| 通讯作者 | Liu Yong-Li(ylliu@imp.neu.edu.cn) |
| 2009-06-01 | |
| 发表期刊 | ACTA PHYSICA SINICA
 |
| ISSN | 1000-3290 |
| 卷号 | 58期号:6页码:S246-S253 |
| 摘要 | The dynamical shear deformation induced hexagonal close-packed (HCP) <-> face-centred cubic (FCC) processes in TiAl/Ti3Al system are investigated by the molecular dynamics method. The details of the dislocation initiation, the microstructure evolution and the force field effect are presented and discussed. The analyses of the potential variation and the structural snapshots show that the shear deformation is related to the "stick-slip" behaviour. The interface can transit the energy and counterpoise the deformation between the hetero-phases. The HCP-Ti3Al (FCC-TiAl) shows obvious (little) covariant deformation stage before the initiation of the fault transition. For HCP-Ti3Al, the final structure is the continued FCC stacking in a region with the large force field, and the FCC and HCP plates alternatively occur near the interface. For FCC-TiAl, twin and SISF are the main remnants, and the meta-stable HCP phase may occur with the increment of the force field. |
| 关键词 | TiAl/T3Al molecular dynamics simulation shear deformation fault structure |
| 资助者 | National Natural Science Foundation of China ; State Key Development Program for Basic Research of China |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Natural Science Foundation of China[50671109] ; State Key Development Program for Basic Research of China[2006CB605103] ; State Key Development Program for Basic Research of China[2006CB600905] |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| WOS记录号 | WOS:000270312900041 |
| 出版者 | CHINESE PHYSICAL SOC |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.imr.ac.cn/handle/321006/98677 |
| 专题 | 中国科学院金属研究所 |
| 通讯作者 | Liu Yong-Li |
| 作者单位 | 1.Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Liaoning Univ Technol, Dept Math & Phys, Jinzhou 121001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu Yong-Li,Zhao Xing,Zhang Zong-Ning,et al. Molecular dynamics study of the shear deformation in TiAl/Ti3Al system[J]. ACTA PHYSICA SINICA,2009,58(6):S246-S253. |
| APA | Liu Yong-Li,Zhao Xing,Zhang Zong-Ning,Zhang Lin,Wang Shao-Qing,&Ye Heng-Qiang.(2009).Molecular dynamics study of the shear deformation in TiAl/Ti3Al system.ACTA PHYSICA SINICA,58(6),S246-S253. |
| MLA | Liu Yong-Li,et al."Molecular dynamics study of the shear deformation in TiAl/Ti3Al system".ACTA PHYSICA SINICA 58.6(2009):S246-S253. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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