材料科学
奥氏体不锈钢
冶金
氯化物
腐蚀
奥氏体
压力(语言学)
巴(单位)
扫描电子显微镜
增长率
钢筋
复合材料
微观结构
语言学
物理
哲学
气象学
数学
几何学
作者
Jae‐Yoon Jeong,Chaewon Jeong,Yun-Jae Kim,Changheui Jang
出处
期刊:Metals
[Multidisciplinary Digital Publishing Institute]
日期:2021-09-07
卷期号:11 (9): 1415-1415
被引量:5
摘要
In this study, a corrosion pit test using notched bar specimens was conducted to investigate the effect of stress magnitude on the pit growth rate. To produce the notched bar specimens, 304 austenitic stainless steel was used, which is a material used for spent nuclear fuel canisters. Furthermore, three levels of stresses were generated using different notch radii. The corrosion pits were quantitatively measured through scanning electron microscopy and analyzed by finite element analysis. Based on experimental data, the pit growth rate model is suggested in terms of the stress and exposure time.
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