Formation and behaviour study of an environment-friendly corrosion inhibitor by electrochemical methods

被引：304

作者：

Bommersbach, P ^{[1
]}

Alemany-Dumont, C ^{[1
]}

Millet, JP ^{[1
]}

Normand, B ^{[1
]}

机构：

[1] Inst Natl Sci Appl, Lab Physicochim Ind, F-69621 Villeurbanne, France

来源：

ELECTROCHIMICA ACTA | 2005年 / 51卷 / 06期

关键词：

corrosion inhibitor; RDE; EIS; XPS;

D O I：

10.1016/j.electacta.2005.06.001

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

This paper deals with the characterization of an environment-friendly corrosion inhibitor formulated for industrial cutting fluids. Polarization measurements and electrochemical impedance spectroscopy (EIS) tests reveal the formation of a 3D film at the interface metal/elecrolyte. This film blocks iron ions oxidation by forming a barrier on the metallic surface. Studies concerning, respectively, inhibitor concentration, immersion time and temperature show that effects of these three parameters are strongly linked and influence considerably the protective effect of the inhibitor. XPS analyses confirm formation of an inhomogeneous layer submitted to a water-uptake with time when inhibitor is not added in necessary concentration. (C) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1076 / 1084

页数：9

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