LOW CYCLE FATIGUE OF Cr-Mn-N STAINLESS STEEL

Abstract

Abstract: An investigation was conducted to examine the low cycle symmetric push-pull fatigue behaviour of the Cr-Mn-N dual-phase stainless steel.Two groups of specimens,A and B, were used,they were solution treated at 1050 and 1250℃,respectively.The.fatigue life of group A is almost twice as long as that of group B under the same total strain amplitude.The energy loss during the fatigue tests and the mophology of the fracture surfaces have been stu- died and discussed.

Key words: low cycle fatigue, fatigue life, hardening saturation, cyclic softening, energy loss

XIA Yuebo WANG Zhongguang Institute of Metal Research,Academia Sinica,Shenyang,China XIA Yuebo,Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang 110015,China. LOW CYCLE FATIGUE OF Cr-Mn-N STAINLESS STEEL[J]. Acta Metallurgica Sinica (English Letters), 1990, 3(3): 183-187.

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LOW CYCLE FATIGUE OF Cr-Mn-N STAINLESS STEEL

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