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Title: Thermal Stability Of Residual Stress Induced By Heavy Deformation On Sus316l Stainless Steel
Author: Yamamoto, Harada, Ohnishi, Kakutani, Fujio, Nakahi
Source: Conf Proc: ICSP-10 Tokyo, Japan 2008
Publication year 2008
Document number: 2008063
Number of pages: 4
Abstract:
ABSTRACT
Residual stress induced by shot peening in specimens of SUS316L, an austenitic stainless steel, have been measured by means of synchrotron radiation diffraction. The
materials are those used for shrouds in atomic reactors, which are surrounded with hot water at a temperature of 561 K. It is important to clarify effects of aging at such a
relatively low temperatures on the residual stress. Thus, changes in residual stress on the shot peened specimens caused by prolonged aging were measured. Compression stress
induced by shot peening was gradually decreased with aging at 523, 573 and 623 K for up to 8000 h.
Residual stress, shot peening, synchrotron radiation, prolonged aging
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