Synergistic effects of fluoride and chloride on general corrosion behavior of AISI 316 stainless steel and pure titanium in H2SO4 solutions

被引：118
|
作者：
Wang, Z. B. [1 ]
Hu, H. X. [1 ]
Zheng, Y. G. [1 ]
机构：
[1] Chinese Acad Sci, CAS Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China
来源：
CORROSION SCIENCE | 2018年 / 130卷
基金：
中国国家自然科学基金;
关键词：
Titanium; Stainless steel; Polarization; XPS; Acid corrosion; Passive films; ELECTROCHEMICAL-BEHAVIOR; PITTING CORROSION; SULFURIC-ACID; HYDROCHLORIC-ACID; ANION SPECIFICITY; AQUEOUS-SOLUTIONS; PASSIVE TITANIUM; TI-6AL-4V ALLOY; OXIDE-FILM; IONS;
D O I：
10.1016/j.corsci.2017.10.028
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The general corrosion behavior of AISI 316 stainless steel (316 SS) and pure titanium (pure Ti) in H2SO4 solutions containing fluoride (F-) and chloride (Cl-) ions was evaluated quantitatively using potentiodynamic polarization tests. The general corrosion resistance of these two materials to F- and Cl- is compared and explained by the proposed mechanisms based on XPS analyses. Furthermore, F- and Cl- are found to have synergistic effects on the general corrosion behavior of these two materials, which are attributed to the effects of F- and Cl- on the penetration of each other into the film.
引用
收藏
页码：203 / 217
页数：15
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