Inhibition of passive film breakdown on iron borate buffer solution containing chloride by mixtures of hard and soft base inhibitors

被引：5

作者：

Fujioka, E

Nishihara, H

Aramaki, K

机构：

[1] Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama

来源：

CORROSION SCIENCE | 1996年 / 38卷 / 10期

关键词：

low alloy steel; polarization; pitting corrosion; repassivation; neutral inhibition;

D O I：

10.1016/S0010-938X(96)00059-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The inhibition of both pit nucleation and growth processes on a previously passivated iron surface in a borate buffer solution containing Cl- by mixtures of Various inhibitors was investigated by potentiodynamic polarization measurements and electron-probe micro-analyses. Mixtures of two different inhibitors classified as hard and soft bases were selected on the basis of the hard and soft acids and bases principle. A combination of 3-octylthiopropionate ion and 1,3-dibutyl-2-thiourea or iodide ion was an effective inhibitor for preventing both processes. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：1669 / 1679

页数：11

共 11 条

[1] RELATIONSHIP BETWEEN THE HSAB PRINCIPLE AND EFFECTS OF VARIOUS ANIONS AND A TETRA-N-BUTYLAMMONIUM ION ON PASSIVE FILM OF IRON IN A BORATE BUFFER SOLUTION [J].