Protection of low-carbon steel from corrosion in hydrochloric acid by 4-substituted 1,2,4-triazole

被引：2

作者：

Tyurina, M. V. ^{[1
]}

Avdeev, Ya. G. ^{[1
]}

Kazanskii, L. P. ^{[1
]}

Luchkin, A. Yu. ^{[1
]}

Kireeva, O. A. ^{[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 | 2016年 / 52卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

low-carbon steel; acidic corrosion; inhibitors; acid etcing; triazoles; RAY PHOTOELECTRON-SPECTROSCOPY; MILD-STEEL; TRIAZOLE DERIVATIVES; STAINLESS-STEELS; OXIDE-FILMS; XPS; INHIBITION; ADSORPTION; IRON; THICKNESS;

D O I：

10.1134/S2070205116070157

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

A new corrosion inhibitor of low-carbon steel in hydrochloric acid solutions, IFKhAN-96, which is a derivative of 4-substituted 1,2,4-triazole and is more efficient than the known industrial inhibitor catamine AB, has been developed. Based on data of weight loss studies, IFKhAN-96 can be used for protection of low-carbon steels in hydrochloric acid solutions with wide ranges of concentration (1.0-6.0 M) and temperature (25-95A degrees C). XPE spectroscopy showed that the high protective action of the IFKhAN-96 inhibitor against corrosion of steel is a consequence of the formation of the protective layer on the metal surface, which consists of a mixture of iron(II) chloride and oxide with a thickness of 4-7 nm. The adsorbed monolayer of IFKhAN-96 inhibitor is located above it.

引用

页码：1147 / 1152

页数：6

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