Passivation of steel with aqueous solutions of trialkoxysilanes

被引：11
|
作者：
Chirkunov, A. A. [1 ]
Semiletov, A. M. [1 ]
Kuznetsov, Yu. I. [1 ]
Andreeva, N. P. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2015年 / 51卷 / 07期
关键词：
steel; passivity; alkoxysilanes;
D O I：
10.1134/S2070205115070059
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The passivating power of the aqueous solutions of certain trialkoxysilanes towards low-carbon steel has been studied. It has been established that aminoalkoxysilanes, as opposed to vinyltrimethoxysilane, are capable of passivating low-carbon steel in a neutral chloride-containing buffer solution. Aminoethylaminopropyltrimethoxysilane induces the passivation of steel most effectively. Its adsorption on the reduced or oxidized surface of the St3 steel studied via an ellipsometric method can be adequately described by the Frumkin equation.
引用
收藏
页码：1154 / 1159
页数：6
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