Cerium pretreatments to prevent filiform corrosion of painted aluminium alloys

被引：3
|
作者：
Poulain, V
Petitjean, JP
机构：
来源：
ALUMINIUM ALLOYS: THEIR PHYSICAL AND MECHANICAL PROPERTIES, PTS 1-3 | 1996年 / 217卷
关键词：
cerium; pitting; filiform corrosion; impedance spectroscopy; aluminium;
D O I：
10.4028/www.scientific.net/MSF.217-222.1641
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Early work have demonstrated the efficiency of treatment from rare earth metal salts on the inhibition of the oxygen reduction reaction, who played an important role in pitting and filiform corrosion of aluminium alloys. In this paper, we present the results of an electrophoretic treatment from a colloidal solution of cerium sulfate. The positive effect of a subsequent annealing on pitting corrosion is demonstrated. Electrochemical impedance spectroscopy is used to evaluate samples.
引用
收藏
页码：1641 / 1647
页数：7
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