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Journal of the Society of Materials Science Japan
Explosion hardened high manganese austenitic cast steel is being tried for rail crossing recently. From the previous studies, it became clear that high tensile residual stress was generated in the hardened surface layer by explosion and microcracks were observed. In this study, therefore, the behavior of surface residual stress in explosion hardened steel due to repeated impact loads was examined and compared with those of the original and shot peened steels. The results obtained are summarizeddoi:10.2472/jsms.34.525 fatcat:wuzlcm6vivhujfhniczp5wuhzi