Acta Metall Sin  1995, Vol. 31 Issue (15): 103-108    DOI:

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CRACK INITIATION OF SUPERPURE STAINLESS STEEL DURING LOW CYCLE CORROSION FATIGUE IN 3.5% NaCl SOLUTION

WANG Jianqiu; LI Jing; WANG Zhengfu; ZHU Ziyong; KE Wei (Corrosion science laboratory; Institute of Corrosion and Protection of Metals; Chinese Academy of Sciences; Shenyang 110015); ZANG Qishan; WANG Zhongguang (Key laboratory of fatigue and fracture; Institute of Metal Research; Chinese Academy of Sciences;Shenyang 110015)

WANG Jianqiu; LI Jing; WANG Zhengfu; ZHU Ziyong; KE Wei (Corrosion science laboratory; Institute of Corrosion and Protection of Metals; Chinese Academy of Sciences; Shenyang 110015); ZANG Qishan; WANG Zhongguang (Key laboratory of fatigue and fracture; Institute of Metal Research; Chinese Academy of Sciences;Shenyang 110015). CRACK INITIATION OF SUPERPURE STAINLESS STEEL DURING LOW CYCLE CORROSION FATIGUE IN 3.5% NaCl SOLUTION. Acta Metall Sin, 1995, 31(15): 103-108.

Abstract References Related Articles Recommended Metrics Download:  PDF(514KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The behaviour of crack initiation of superpure stainless steel in 3.5% NaCl solution during low cycle corrosion fatiguing was studied by using three-electrode technique.The deformation may induce pitting at the passive potential which is less than the static pitting potential, but pitting was not found to initiate cracks. At low strain rate, the cracks were observed to initiate along the persistent slip bands(PSBs), and the electrochemical etching occurred at the PSBs. At high strain rate the cracks initiated at grain boundaries were obsereved. The results showed that the electrochemical dissolution accelerated the crack initiation process. and pitting at the localized deformed sites did not form the cracks at the passive system. And the strain rate affected the crack initiation mode. Key words:  crack initiation      pitting      passivation      low cycle corrosion fatigue      strain rate      superpure stainless steel      Fe-26Cr-1 Mo      Service E-mail this article Add to citation manager E-mail Alert RSS Collect articles（） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1995/V31/I15/103 1McAdamDJ．ProcASTM,1928:41:6962WhitwhamD．JJSI,1950;165:763GreenfieldIG．CorrosionFatigue:ChemistryMechanicsandMicrostructure,1971:1334RebinderP,Physico-chemicalMechanicsofMetals,AcademiaofScienceUSSRisrdelProgramforScientificTranslation,Jerusalen1964:125YanBD,LairdC．ActaMetall,1985;33:15336WANGJianqiu,WANGZhongguang,MAMinya,ZANGQisan,ZHUZiyong,SteelRes,1992;63:4537WangJQ,LiJ,WangZF,ZhuZY,KeW,ZangQS,WangZG,ScriptaMetall,1993;29:14158MughrabiH．PhylosMag,1976;33:963 [1] ZHANG Qiliang, WANG Yuchao, LI Guangda, LI Xianjun, HUANG Yi, XU Yunze. 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