The Effects of Trace PbO on the Oxide Behavior of 304L Stainless Steel in High Temperature Water

被引：3
|
作者：
Liang, Kexin [1 ]
Xu, Yunfei [1 ]
Wang, Wanwan [1 ]
Shi, Rongxue [1 ]
Tan, Yu [1 ]
Zhang, Shenghan [1 ]
机构：
[1] North China Elect Power Univ, Sch Environm Sci & Engn, Yonghua North St 619, Baoding 071000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2016年 / 11卷 / 12期
关键词：
High temperature and high pressure water; 304L stainless steels; PbO; Potentiodynamic curves; Mott-Schottky analysis; STRESS-CORROSION CRACKING; HYDROGENATED WATER; PASSIVE FILMS; 304-STAINLESS-STEEL; ALLOY-600; OXIDATION; MECHANISM;
D O I：
10.20964/2016.12.81
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
304L stainless steel was corroded in a simulated PWR primary circuit at 315 degrees C with ppb level PbO treatment. Corrosion properties and semiconductor behaviors of the oxide layers on 55304L exposed to high temperature and high pressure water corrosion were investigated by electrochemical potentiodynamic curves and Mott-Schottky tests. The FE-SEM images suggested some unprotective spinel crystals formed on the surface of oxide film with trace level PbO treatment. And XPS results indicated not only 2(+) valance but also 4(+) and 0 of Pb, cooperated with Iron, Chromium, Nickel and their oxides, in the oxide layer.
引用
收藏
页码：10928 / 10938
页数：11
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