Effects of Pressurized Water Reactor Medium on the Fatigue Life of Austenitic Stainless Steels

被引：5
|
作者：
Wilhelm, Paul [1 ]
Rudolph, Juergen [1 ]
Steinmann, Paul [2 ]
机构：
[1] AREVA GmbH, Mech Anal, D-91058 Erlangen, Germany
[2] Univ Erlangen Nurnberg, Dept Mech Engn, D-91058 Erlangen, Germany
来源：
JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2015年 / 137卷 / 06期
关键词：
environmentally assisted fatigue (EAF); austenitic stainless steels; pressurized water reactor medium; 288-DEGREES-C WATER; HYDROGEN;
D O I：
10.1115/1.4029832
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A statistical model for austenitic stainless steels for predicting the effect of pressurized water reactor (PWR) environments on fatigue life for a range of temperatures and strain rates is developed based on analysis of available material data from USA, Europe, and Japan. Only fatigue data from polished specimens of wrought material tested under strain control were considered. Hollow specimens were not treated in the final calculations. The fatigue life correction factors were defined as the ratio of life in water at 300 degrees C (572 degrees F) (reference conditions) to that in water at service conditions. The model is recommended for predicting fatigue lives that are 10(3)-10(5) cycles.
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页数：7
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