Effect of Corrosion Product on the Electrochemical Behavior of Zn, Zn-Al and Al-Mg-Si Alloy Coated Steel

被引：5
|
作者：
Hariyanti [1 ]
Yadav, Amar P. [2 ]
Nishikata, Atsushi [1 ]
Tsuru, Tooru [1 ]
机构：
[1] Tokyo Inst Technol, Dept Met & Ceram Sci, Meguro Ku, Tokyo 1528552, Japan
[2] Tribhuvan Univ, Cent Dept Chem, Kathmandu, Nepal
来源：
ELECTROCHEMISTRY | 2012年 / 80卷 / 04期
关键词：
Al-Mg-Si Coating; Polarization; Passivity; Potential; POLARIZATION CHARACTERISTICS; ZINC; PASSIVATION; MECHANISM; HYDROGEN;
D O I：
10.5796/electrochemistry.80.218
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The corrosion products formed on Zn, Zn-55Al and Al-8.2Mg-4.8Si alloys coating has been investigated by potentiodynamic polarization in a mixture of 0.5 M Na2SO4 and 0.1 M NaCl solution. The anodic current density on Zn and Zn-55Al alloys coating show the existence of dissolution indicated that Zn and Zn-55Al alloy continued to dissolve across the corrosion product formed. The existence of corrosion product on Al-8.2Mg-4.8Si alloys coating shifted the polarization curves to more noble direction and inhibit the dissolution. (C) The Electrochemical Society of Japan, All rights reserved.
引用
收藏
页码：218 / 221
页数：4
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