On the formation of magnetite coatings on low-carbon steel in ammonium nitrate solution

被引：3
|
作者：
Vershok, D. B. [1 ]
Misurkin, P. I. [2 ]
Timofeeva, V. A. [2 ]
Solov'eva, A. B. [2 ]
Kuznetsov, Yu. I. [1 ]
Timashev, S. F. [3 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 117901, Russia
[2] Russian Acad Sci, Semenov Inst Phys Chem, Moscow 117901, Russia
[3] Karpov Sci Res Physicochem Inst, Moscow, Russia
来源：
PROTECTION OF METALS | 2008年 / 44卷 / 07期
关键词：
D O I：
10.1134/S0033173208070138
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Initial stages of the formation of magnetite coating (MC) on low-carbon steel in ammonium nitrate solution at a temperature of 98C is studied by atomic force microscopy. Analyzing the results obtained by flicker-noise spectroscopy allows the degree of continuity and structuring of MC to be estimated. It is shown that the formation of magnetite nuclei in the course of direct electrochemical reaction may take place in the first minutes of oxidation; continuous coating is formed in 10-15 min.
引用
收藏
页码：721 / 728
页数：8
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