Photocathodic protection of 316L stainless steel by coating of anatase nanoparticles

被引：12
|
作者：
Barati, N. [1 ]
Sani, M. A. Faghihi [1 ]
Ghasemi, H. [2 ]
机构：
[1] Sharif Univ Technol, Dept Mat Sci & Engn, Tehran, Iran
[2] Univ Toronto, Dept Mech Engn, Toronto, ON M5S 3G8, Canada
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2013年 / 49卷 / 01期
关键词：
TITANIA-PHASE-TRANSFORMATION; GEL;
D O I：
10.1134/S2070205113010036
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Uniform nanostructure anatase films were coated on 316L stainless steel by the sol-gel dip coating method. Sols with different values of pH were applied. The corrosion protective behavior of coated samples was investigated by electrochemical measurements in 0.5 molar NaCl solutions on samples placed under UV illumination and dark condition using Tafel curves. It was found that in addition to acting as a physical barrier, anatase thin films are more protective under UV illumination due to photocathodic protection. Neutral sols give better protection due to formation of more uniform and less defective coatings.
引用
收藏
页码：109 / 112
页数：4
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