Effects of crevice geometry on corrosion behavior of 304 stainless steel during crevice corrosion in high temperature pure water

被引：72
作者：
Chen, Dongxu [1 ]
Han, En-Hou [1 ]
Wu, Xinqiang [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Peoples R China
来源：
CORROSION SCIENCE | 2016年 / 111卷
关键词：
Stainless steel; XPS; High temperature corrosion; Crevice corrosion; Oxidation; REVISED POURBAIX-DIAGRAMS; STEAM-GENERATOR CREVICES; SIMULATED PRIMARY WATER; OXIDE-FILM PROPERTIES; 25-300; DEGREES-C; STAINLESS-STEEL; TRANSPORT PROCESSES; MATHEMATICAL-MODEL; PITTING CORROSION; DISSOLVED-OXYGEN;
D O I：
10.1016/j.corsci.2016.04.049
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The new device of crevice corrosion in high temperature water was designed. Effects of crevice geometry on corrosion behavior of 304 stainless steel during crevice corrosion in high temperature water have been investigated. Both width and length of the crevice affect the oxidation behavior of 304 SS. Different crevice widths result in different distributions of dissolved oxygen concentration and eventually affect the development of oxides within the crevice. The crevice length mainly influences the pH value within the crevice solution. The influencing mechanisms of the crevice geometry on oxidation behavior in high temperature water during crevice corrosion are also discussed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：518 / 530
页数：13
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