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| THE CURRENT TRANSIENT BEHAVIOUR OF Fe-26Cr-1Mo STAINLESS STEEL DURING CORROSION FATIGUE |
| Yan Xiaoming~*; Ma Minya~*; Zhu Ziyong~(**) and Wang Zhongguang~* *(Institute of Metal Research; Chinese Academy of Sciences) **(Institute; of Corrosion and Protection of Metals; Chinese; Academy of Sciences) |
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Abstract Push-pull fatigue tests under plastic strain control were carried out with a high-purity ferritic stainless steel Fe-26Cr-1Mo in 1mol/L H_2SO_4 and 1mol/L NaCl solutions. The current transient behaviour during corrosion fatigue was different in these two solutions. Two sharp current peaks corresponding to maximum tensile and compressive strains respectively were observed in 1mol/L H_2SO_4. A sudden current drop or bump occurred as the test started with tension in H_2SO_4 solution. However, only one current peak, which occurred at approximately 50％ of the applied tensile strain, was found in each strain period in NaCl solution. The experimental results were explained in terms of the depassivation-repassivation process induced by strain cycling with the effect of chloride ions taken into account.
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Received: 25 August 1992
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Cite this article:
Yan Xiaoming~*; Ma Minya~*; Zhu Ziyong~(**) and Wang Zhongguang~* *(Institute of Metal Research; Chinese Academy of Sciences) **(Institute; of Corrosion and Protection of Metals; Chinese; Academy of Sciences). THE CURRENT TRANSIENT BEHAVIOUR OF Fe-26Cr-1Mo STAINLESS STEEL DURING CORROSION FATIGUE. J Chin Soc Corr Pro, 1992, 12(4): 358-364.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1992/V12/I4/358
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