Role of dynamic strain aging in corrosion fatigue of low-alloy pressure vessel steel in high temperature water

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	Role of dynamic strain aging in corrosion fatigue of low-alloy pressure vessel steel in high temperature water
	X. Q. Wu ; Y. Katada
刊名	Journal of Materials Science
	2007
卷号	42 期号:2 页码:633-639
关键词	low-cycle fatigue 316l(n) stainless-steel deformation-behavior tensile properties serrated flow hydrogen environment fracture cracking mg
ISSN号	0022-2461
中文摘要	Low cycle fatigue (LCF) behavior of an A533B-type low-alloy pressure vessel steel was investigated in 200 degrees C and 288 degrees C water. Major attention was paid to the role of dynamic strain aging (DSA) on corrosion fatigue behavior of the steel. It was found that DSA played a noticeable role in the present corrosion fatigue process, manifested by the strain-rate and temperature dependent cyclic stress and plastic strain amplitude response. DSA was found to occur at a low strain rate in 200 degrees C water or at a high strain rate in 288 degrees C water regardless of dissolved oxygen concentration (DO) in water. In low-DO water, DSA improved the LCF resistance of the steel to some extent, but such an effect was screened by the environmental effects in high-DO water. The interactions between DSA and surrounding environmental factors as well as their possible influence on environmentally assisted cracking and fatigue resistance of the steel in high temperature water are discussed.
原文出处	://WOS:000243925700027
公开日期	2012-04-13
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/33923]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	X. Q. Wu,Y. Katada. Role of dynamic strain aging in corrosion fatigue of low-alloy pressure vessel steel in high temperature water[J]. Journal of Materials Science,2007,42(2):633-639.
APA	X. Q. Wu,&Y. Katada.(2007).Role of dynamic strain aging in corrosion fatigue of low-alloy pressure vessel steel in high temperature water.Journal of Materials Science,42(2),633-639.
MLA	X. Q. Wu,et al."Role of dynamic strain aging in corrosion fatigue of low-alloy pressure vessel steel in high temperature water".Journal of Materials Science 42.2(2007):633-639.