Effects of temperature on the oxide film properties of 304 stainless steel in high temperature lithium borate buffer solution

被引：173
|
作者：
Sun, Hua [1 ]
Wu, Xinqiang [1 ]
Han, En-Hou [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
来源：
CORROSION SCIENCE | 2009年 / 51卷 / 12期
关键词：
Stainless steel; Polarization; EIS; XPS; Anodic films; 316L STAINLESS-STEEL; PASSIVE FILMS; CHEMICAL-COMPOSITION; SUPERCRITICAL WATER; SEMICONDUCTING PROPERTIES; AISI; 304-STAINLESS-STEEL; ELEVATED-TEMPERATURES; ELECTRONIC-STRUCTURE; AQUEOUS-SOLUTIONS; CORROSION;
D O I：
10.1016/j.corsci.2009.08.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper mainly investigated the effects of temperature on the oxide film properties of 304SS in lithium borate buffer solution by electrochemical measurements and XPS analysis. As temperature increased, the protective property of the film degraded and structure varied from a single layer to a double-layer. Whatever the temperature, the oxide film exhibited an n-type and p-type semiconductor in the potential range above and below the flat band potential, respectively. The electronic properties were assigned to a Fe-Cr spinel inner layer and a defective Fe-Cr oxide outer layer. The related growth mechanisms of the oxide film were also discussed. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2840 / 2847
页数：8
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