Features of the Corrosion Behavior of Metals in the Presence of Organosilicon Nanolayers on Their Surfaces

被引：1
|
作者：
Petrunin, M. A. [1 ]
Maksaeva, L. B. [1 ]
Rybkina, A. A. [1 ]
Yurasova, T. A. [1 ]
Gladkikh, N. A. [1 ]
Shapagin, A. V. [1 ]
Kotenev, V. A. [1 ]
Tsivadze, A. Yu. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2022年 / 58卷 / 05期
关键词：
metal corrosion; carbon steel; full-scale corrosion tests; aluminum; copper; zinc; local anodic dissolution; corrosion inhibition; pitting formation; organosilanes; VINYL SILOXANE NANOLAYERS; PHYSICOCHEMICAL ASPECTS; PASSIVATION; ADSORPTION; PROTECTION; ALUMINUM; ANIONS; AZOLE; IRON;
D O I：
10.1134/S2070205122050197
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A study of the corrosion and electrochemical behavior of metals modified with organosilane-based compositions has been carried out. It has been established that modification of the carbon-steel surface with aqueous solutions of organosilanes results in the formation of siloxane layers on the surface of a thickness of approximately a micrometer. The presence of organosilicon layers on the metal provided inhibition of both uniform corrosion and local (pitting) dissolution of carbon steel. The most effective were dense layers with the maximum cross-linking degree formed by modification from a 1% vinylsilane solution or using a mixture of vinyl- and aminosilanes. Organosilicon surface layers formed after metal modification by solutions of organosilane-based compositions were resistant to prolonged exposure to water, aggressive chloride ions and anodic polarization.
引用
收藏
页码：959 / 976
页数：18
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