Acta Metall Sin  1992, Vol. 28 Issue (6): 40-46    DOI:

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INFLUENCE OF RESIDUAL STRESS AND SURFACE MORPHOLOGY ON FATIGUE PROPERTIES OF 60Mn STEEL

KANG Zengqiao;GAI Xiuying;LI Jiabao;WANG Zhongguang State Key Laboratory for Fatigue and Fracture of Materials Institute of Metal Research; Academia Sinica; shenyang Correspondent research assistant; Institute of Metal Research; Academia Sinica; Shenyang 110015

KANG Zengqiao;GAI Xiuying;LI Jiabao;WANG Zhongguang State Key Laboratory for Fatigue and Fracture of Materials Institute of Metal Research; Academia Sinica; shenyang Correspondent research assistant; Institute of Metal Research; Academia Sinica; Shenyang 110015. INFLUENCE OF RESIDUAL STRESS AND SURFACE MORPHOLOGY ON FATIGUE PROPERTIES OF 60Mn STEEL. Acta Metall Sin, 1992, 28(6): 40-46.

Abstract References Related Articles Recommended Metrics Download:  PDF(1144KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Influence of residual stress and surface morphology, resulting from shot-peen-ing, on fatigue behaviour of medium temperature tempered spring steel 60Mn have been stu-died. The induced compressive residual stress in near-surface region may improve fatigue lim-it from 930 to 1010 MPa, and the very high tensile residual stress in the interior may reduce itfrom 1010 to 940 MPa, whereas the severe surface damage may cause a drop-off of it from1010 down to 800 MPa. Fatigue cracks initiated in such position where the equivalent Misesstress, including residual stress, exceeded the local strength of the material. The compressiveresidual stress, induced by shot-peening, may intensify the effect of crack closure, so as to de-crease the crack growth rate. Key words:  shot-peening      fatigue limit      residual stress      surface morphology      Received:  18 June 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1992/V28/I6/40 1 Franz H E, Olbricht A. In: Wohlfahrt H, Kopp R, Voehringer O eds., Shot Peening, Science. Technology. Application, Proc 3rd Int Conf on Shot Peening, Garmisch-Partenkirchen, FRG, 1987, Verlag, 1987: 439 2 Wang R Z, Li X B, Wu H. In: Wohlfahrt H, Kopp R, Voehringer O eds., Shot Peening, Science. Technotogy. Application, Proc 3rd Int Conf on Shot Peening, Garmisch--Partenkirchen, FRG, 1987, Verlag, 1987: 417 3 Starker P, Wohlfahrt H, Macherauch E. In: Niku-Lari A ed., First Int Conf on Shot Peening, Paris, 14--17, September, 1981, Oxford: Pergamon, 1981: 613 4 袁发荣,伍尚礼.残余应力测试与计算,长沙:湖南大学出版社,1987:219 5 李家宝,康增桥,王中光.力学与实践,待发表 6 Wohlfahrt H. 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