Anodising of Al 2024-T3 in a modified sulphuric acid/boric acid bath for aeronautical applications

被引:107
|
作者
Domingues, L
Fernandes, JCS
Belo, MD
Ferreira, MGS [1 ]
Guerra-Rosa, L
机构
[1] Inst Super Tecn, Dept Chem Engn, P-1049001 Lisbon, Portugal
[2] Univ Aveiro, Dept Ceram & Glass Engn, P-3810193 Aveiro, Portugal
[3] Inst Super Tecn, Dept Mat Engn, P-1049001 Lisbon, Portugal
关键词
Al; 2024-t3; alloy; EIS; SEM; anodising; aeronautical industry;
D O I
10.1016/S0010-938X(02)00082-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A novel borate/boric/sulphuric acid anodising process is studied. The results show that the physical structure of the films is influenced not only by the bath used, but also and mainly by the substrate, i.e., Al 2024-T3 or Al. The corrosion resistance of the anodised specimens is satisfactory for practical applications and the fatigue resistance is not significantly different from that obtained with the traditional chromic acid anodising. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:149 / 160
页数:12
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