| Temporarily thermal relaxation of residual stress | |
Wu CW(吴臣武) ; Wu, CW (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
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| 会议录名称 | ICEM15: 15TH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS |
| 2012 | |
| 会议名称 | 15th International Conference on Experimental Mechanics (ICEM) |
| 会议日期 | JUL 22-27, 2012 |
| 会议地点 | Porto, PORTUGAL |
| 摘要 | The temporarily thermal relaxation of residual stress is analyzed for an initially stressed solid subjected to non-uniform heating. It is revealed that the redistribution of the initial (residual) strain will be developed by the non-uniform temperature elevation, as which leads to the nonuniform reduction of the material stiffness. Therefore, the total observable displacement field is determined by the initial stresses, the thermal softening effect and the thermal expansion effect. By eliminating the contribution of the thermal expansion from the total observable displacements, the incremental displacement field resulted from the temporarily thermal relaxation of the initial stresses is obtained. |
| 关键词 | Residual Stress Thermal Relaxation Temporarily |
| 课题组名称 | MAM表面与界面改性 |
| ISBN号 | 978-972-8826-26-0 |
| 收录类别 | CPCI |
| 语种 | 英语 |
| 文献类型 | 会议论文 |
| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/47570 |
| 专题 | 先进制造工艺力学实验室 |
| 通讯作者 | Wu, CW (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Wu CW,Wu, CW . Temporarily thermal relaxation of residual stress[C]ICEM15: 15TH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS,2012. |
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