IMECH-IR  > 先进制造工艺力学实验室
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.
Source PublicationICEM15: 15TH INTERNATIONAL CONFERENCE ON EXPERIMENTAL MECHANICS
2012
Conference Name15th International Conference on Experimental Mechanics (ICEM)
Conference DateJUL 22-27, 2012
Conference PlacePorto, PORTUGAL
AbstractThe 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.
KeywordResidual Stress Thermal Relaxation Temporarily
DepartmentMAM表面与界面改性
ISBN978-972-8826-26-0
Indexed ByCPCI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47570
Collection先进制造工艺力学实验室
Corresponding AuthorWu, CW (reprint author), Chinese Acad Sci, Inst Mech, Beijing 100080, Peoples R China.
Recommended Citation
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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