Investigation on the effect of benzotriazole on the phosphating of carbon steel

被引：54
作者：
Banczek, E. P.
Rodrigues, P. R. P.
Costa, I.
机构：
[1] Ctr Ciencia & Tecnol Mat, CNEN SP, IPEN, Sao Paulo, Brazil
[2] Univ Estadual Centro Oeste, Dept Quim, Unictr, Guarapuava, Brazil
来源：
SURFACE & COATINGS TECHNOLOGY | 2006年 / 201卷 / 06期
关键词：
phosphating; inhibitors; benzotriazole; corrosion; carbon steel;
D O I：
10.1016/j.surfcoat.2006.09.003
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Phosphating and corrosion inhibitors are commonly used for corrosion prevention of metallic materials, mainly carbon steels. In this study, the effect of benzotriazole (BTAH) added to a Zinc phosphating (PZn) bath on the corrosion resistance of a carbon steel (1010) was investigated. Anodic polarization curves and electrochemical impedance spectroscopy (EIS) were used to evaluate the corrosion resistance of the phosphated steel with or without BTAH, in two solutions, 0.1 mol L-1 H2SO4 and 0. 5 mol L-1 NaCl. The results showed better corrosion resistance for the steel phosphated with BTAH comparatively to that without BTAH. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：3701 / 3708
页数：8
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