Study of TiO2 nanoparticle coatings by the sol-gel method for corrosion protection

被引：11
|
作者：
Shanaghi, A. [1 ]
Rouhaghdam, A. Sabour [1 ]
Shahrabi, T. [1 ]
Aliofkhazraei, M. [1 ]
机构：
[1] Tarbiat Modares Univ, Dept Mat Engn, Fac Engn, Tehran, Iran
来源：
MATERIALS SCIENCE | 2008年 / 44卷 / 02期
关键词：
D O I：
10.1007/s11003-008-9070-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We describe an economical method of deposition of TiO(2) coatings. The sol composition used for the deposition of nanocoatings is optimized, and the relationship between its pH value, water content, and the time of structurization is established. The potentiodynamic polarization, optical microscopy, and scanning electron microscopy are used for the evaluation of the corrosion resistance of specimens with coatings. The best protective properties are exhibited by the coatings obtained for a dip-coating rate of the specimen of 9 mm/sec, a period of drying of 3 h, and a rate of heating in the process of thermal treatment of 1C/min, as well as after three consecutive procedures of dip coating.
引用
收藏
页码：233 / 247
页数：15
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