Surface Preparation of Aluminum Alloys for Electroplating

被引：12
|
作者：
Devyatkina, T. I. [1 ]
Luchneva, S. I. [1 ]
Vasin, E. N. [1 ]
Cherkashev, N. A. [1 ]
Isaev, V. V. [1 ]
Belyaev, E. S. [1 ]
Rogozhin, V. V. [1 ]
机构：
[1] Nizhnii Novgorod State Tech Univ, Nizhnii Novgorod 603950, Russia
来源：
RUSSIAN JOURNAL OF APPLIED CHEMISTRY | 2020年 / 93卷 / 09期
关键词：
aluminum alloys; oxide film; aluminium oxide; anodizing; electrochemical oxidation; chemical oxidation; copper plating; nickel plating; copper coating; nickel coating; COATINGS; OXIDATION;
D O I：
10.1134/S1070427220090098
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Various methods of surface preparation for electroplating on aluminum alloys are considered. It was shown that the most suitable of them is electrochemical anodizing. The composition and operating mode of the anodizing electrolyte were developed. The effect of the electrolyte composition on the structure and the film surface development is shown. The stability of the oxide film produced as a result of anodizing to dissolution in copper and nickel plating electrolytes was demonstrated. The relationship between the adhesion of electroplated coatings to an aluminum substrate with the relief and uniformity of oxide films was established. The proposed pretreatment is universal and can be used for any aluminum alloys in modern automatic lines without breaking the technological process chain.
引用
收藏
页码：1372 / 1379
页数：8
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