Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior

The fatigue life of austenitic stainless steel is significantly reduced in the environment of a pressurized water reactor (PWR). One of the methods for evaluating the environmental effect involves the use of the environmental correction factor (Fen) determined from the fatigue lives of the material...

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Autores principales:	Choongmoo SHIM, Yoichi TAKEDA, Tetsuo SHOJI
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2017
Materias:	short fatigue crack growth behavior time domain analysis crack initiation simulated pwr primary water environmentally assisted fatigue stress corrosion cracking Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/eb68b59a074844738c9913a12d679060
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spelling	oai:doaj.org-article:eb68b59a074844738c9913a12d6790602021-11-26T07:06:29ZFatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior2187-974510.1299/mej.17-00035https://doaj.org/article/eb68b59a074844738c9913a12d6790602017-08-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/4/4/4_17-00035/_pdf/-char/enhttps://doaj.org/toc/2187-9745The fatigue life of austenitic stainless steel is significantly reduced in the environment of a pressurized water reactor (PWR). One of the methods for evaluating the environmental effect involves the use of the environmental correction factor (Fen) determined from the fatigue lives of the material in air and the PWR environment. It has been reported that the environmental correction factor increases with decreasing strain rate, eventually saturating at a low strain rate. However, the exact behavior of the parameter remains unclear considering evidences of a relationship between environmentally assisted fatigue and stress corrosion cracking. It is therefore of importance to examine the possibility of continuity between environmentally assisted fatigue and stress corrosion cracking at very low strain rates. In the present study, time domain analyses of short fatigue cracks initiated in 316 stainless steel in air and simulated PWR water were used to ascertain the existence of such continuity by investigating the relationship between the environmentally assisted fatigue and stress corrosion cracking. The acquired environmentally assisted fatigue life data were uniquely interpreted, and superposition of the plots of the stress corrosion cracking data obtained by slow-strain-rate tensile tests over the time domain analyses and environmentally assisted fatigue data suggested continuity among the parameters. This was clearly substantiated by further time domain analyses.Choongmoo SHIMYoichi TAKEDATetsuo SHOJIThe Japan Society of Mechanical Engineersarticleshort fatigue crack growth behaviortime domain analysiscrack initiationsimulated pwr primary waterenvironmentally assisted fatiguestress corrosion crackingMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 4, Iss 4, Pp 17-00035-17-00035 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	short fatigue crack growth behavior time domain analysis crack initiation simulated pwr primary water environmentally assisted fatigue stress corrosion cracking Mechanical engineering and machinery TJ1-1570
spellingShingle	short fatigue crack growth behavior time domain analysis crack initiation simulated pwr primary water environmentally assisted fatigue stress corrosion cracking Mechanical engineering and machinery TJ1-1570 Choongmoo SHIM Yoichi TAKEDA Tetsuo SHOJI Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
description	The fatigue life of austenitic stainless steel is significantly reduced in the environment of a pressurized water reactor (PWR). One of the methods for evaluating the environmental effect involves the use of the environmental correction factor (Fen) determined from the fatigue lives of the material in air and the PWR environment. It has been reported that the environmental correction factor increases with decreasing strain rate, eventually saturating at a low strain rate. However, the exact behavior of the parameter remains unclear considering evidences of a relationship between environmentally assisted fatigue and stress corrosion cracking. It is therefore of importance to examine the possibility of continuity between environmentally assisted fatigue and stress corrosion cracking at very low strain rates. In the present study, time domain analyses of short fatigue cracks initiated in 316 stainless steel in air and simulated PWR water were used to ascertain the existence of such continuity by investigating the relationship between the environmentally assisted fatigue and stress corrosion cracking. The acquired environmentally assisted fatigue life data were uniquely interpreted, and superposition of the plots of the stress corrosion cracking data obtained by slow-strain-rate tensile tests over the time domain analyses and environmentally assisted fatigue data suggested continuity among the parameters. This was clearly substantiated by further time domain analyses.
format	article
author	Choongmoo SHIM Yoichi TAKEDA Tetsuo SHOJI
author_facet	Choongmoo SHIM Yoichi TAKEDA Tetsuo SHOJI
author_sort	Choongmoo SHIM
title	Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
title_short	Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
title_full	Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
title_fullStr	Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
title_full_unstemmed	Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior
title_sort	fatigue life prediction of 316 stainless steel in simulated pwr primary water by time domain analysis based on short fatigue crack growth behavior
publisher	The Japan Society of Mechanical Engineers
publishDate	2017
url	https://doaj.org/article/eb68b59a074844738c9913a12d679060
work_keys_str_mv	AT choongmooshim fatiguelifepredictionof316stainlesssteelinsimulatedpwrprimarywaterbytimedomainanalysisbasedonshortfatiguecrackgrowthbehavior AT yoichitakeda fatiguelifepredictionof316stainlesssteelinsimulatedpwrprimarywaterbytimedomainanalysisbasedonshortfatiguecrackgrowthbehavior AT tetsuoshoji fatiguelifepredictionof316stainlesssteelinsimulatedpwrprimarywaterbytimedomainanalysisbasedonshortfatiguecrackgrowthbehavior
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Fatigue life prediction of 316 stainless steel in simulated PWR primary water by time domain analysis based on short fatigue crack growth behavior

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