The interaction of a screw dislocation with a circular inhomogeneity near the free surface
文献类型：期刊论文
| 作者 | Jiang CP ; Chai H; Yan P; Song F(宋凡)
|
| 刊名 | Archive of Applied Mechanics
 |
| 出版日期 | 2014-03 |
| 卷号 | 84期号:3页码:343-353 |
| 通讯作者邮箱 | jiangchiping@buaa.edu.cn |
| ISSN号 | 0939-1533 |
| 产权排序 | [Jiang, Chiping; Chai, Hui; Yan, Peng] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China; [Jiang, Chiping; Song, Fan] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China |
| 通讯作者 | Jiang, CP (reprint author), Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China. |
| 合作状况 | 国内 |
| 中文摘要 | The interaction of a screw dislocation with a circular inhomogeneity near the free surface is discussed in this paper. By using the complex potential and conformal mapping technique, an explicit series solution is obtained. Then, the solution is cast into a new expression to separate the interaction effects between the dislocation, inhomogeneity, and free surface. The new expression is not only convenient to reveal the coupling interaction effects, but also helpful to improve the convergence of the solution. As an application of the new expression, a simple approximate formula is presented with high accuracy. Finally, the full-field interaction energy and image force are evaluated and studied graphically. It is found that when the screw dislocation, inhomogeneity, and free surface are close to each other, their interaction effects strongly and intricately couple in the near field. In the case of a soft inhomogeneity or a hole, there is an unstable equilibrium point of the screw dislocation between the inhomogeneity and free surface, whereas in the case of a hard or rigid inhomogeneity, there is an unstable equilibrium point on the opposite side of the inhomogeneity. |
| 学科主题 | Mechanics |
| 分类号 | Q3 |
| 收录类别 | SCI ; EI |
| 资助信息 | The work was supported by the National Natural Science Foundation of China (Grant Nos. 11172023, 11061130550 and 91216110). |
| 原文出处 | http://dx.doi.org/10.1007/s00419-013-0803-0 |
| 语种 | 英语 |
| WOS记录号 | WOS:000331704100004 |
| 公开日期 | 2014-05-09 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/48787]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Jiang CP,Chai H,Yan P,et al. The interaction of a screw dislocation with a circular inhomogeneity near the free surface[J]. Archive of Applied Mechanics,2014,84(3):343-353. |
| APA | Jiang CP,Chai H,Yan P,&Song F.(2014).The interaction of a screw dislocation with a circular inhomogeneity near the free surface.Archive of Applied Mechanics,84(3),343-353. |
| MLA | Jiang CP,et al."The interaction of a screw dislocation with a circular inhomogeneity near the free surface".Archive of Applied Mechanics 84.3(2014):343-353. |
入库方式： OAI收割
来源：力学研究所
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