The fatigue life of austenitic stainless steel has recently been shown to undergo remarkable reduction with decrease in strain rate and increase in temperature in water. Either of these parameters as a factor of this reduction has been examined quantitatively and methods for predicting the fatigue life reduction factor in any given set of conditions have been proposed. All these methods are based primarily on fatigue data in simulated PWR water owing to the few data available in simulated BWR water. Recent Japanese fatigue data in simulated BWR water clearly indicated the effects of the environment on fatigue degradation to be milder than under actual PWR conditions. A new method for determining in BWR water was developed in the present study and a revised in PWR water is also proposed based on new data. These new models differ from those previously used primarily with regard to the manner in which strain amplitude is considered to affect in the environment.
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November 2003
Technical Papers
A Proposal of Fatigue Life Correction Factor Fen for Austenitic Stainless Steels in LWR Water Environments
Makoto Higuchi,
Makoto Higuchi
Ishikawajima-Harima Heavy Industries
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Kazuya Tsutsumi,
Kazuya Tsutsumi
Mitsubishi Heavy Industries
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Katsumi Sakaguchi
Katsumi Sakaguchi
Japan Power Engineering and Inspection Corporation
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Makoto Higuchi
Ishikawajima-Harima Heavy Industries
Kazuya Tsutsumi
Mitsubishi Heavy Industries
Akihiko Hirano
Hitachi Ltd.
Katsumi Sakaguchi
Japan Power Engineering and Inspection Corporation
Contributed by the Pressure Vessels and Piping Division for publication in the JOURNAL OF PRESSURE VESSEL TECHNOLOGY. Manuscript received by the PVP Division April 22, 2003; revision received June 2, 2003. Associate Editor: S. Y. Zamrik.
J. Pressure Vessel Technol. Nov 2003, 125(4): 403-410 (8 pages)
Published Online: November 4, 2003
Article history
Received:
April 22, 2003
Revised:
June 2, 2003
Online:
November 4, 2003
Citation
Higuchi, M., Tsutsumi, K., Hirano, A., and Sakaguchi, K. (November 4, 2003). "A Proposal of Fatigue Life Correction Factor Fen for Austenitic Stainless Steels in LWR Water Environments ." ASME. J. Pressure Vessel Technol. November 2003; 125(4): 403–410. https://doi.org/10.1115/1.1613945
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