AC PEO of aluminium with porous alumina precursor films

被引：59
|
作者：
Matykina, E. [1 ]
Arrabal, R. [2 ]
Skeldon, P. [1 ]
Thompson, G. E. [1 ]
Belenguer, P. [3 ]
机构：
[1] Univ Manchester, Ctr Corros & Protect, Sch Mat, Manchester M60 1QD, Lancs, England
[2] Univ Complutense, Dept Ciencia Mat, Fac Quim, E-28040 Madrid, Spain
[3] Univ Toulouse 3, Lab Plasma & Convers Energie, UMR 5213, F-31062 Toulouse, France
来源：
SURFACE & COATINGS TECHNOLOGY | 2010年 / 205卷 / 06期
基金：
英国工程与自然科学研究理事会;
关键词：
Aluminium; Anodizing; Plasma electrolytic oxidation; Porous anodic film; PLASMA ELECTROLYTIC OXIDATION; OXIDE CERAMIC COATINGS;
D O I：
10.1016/j.surfcoat.2010.05.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of the composition morphology and thickness of pre-formed porous anodic films on the subsequent formation of coatings on aluminium by plasma electrolytic oxidation is investigated The preformed films of a wide range of thickness are shown to be Incorporated into the coatings Further an increased thickness of the film is revealed as beneficial to the establishment of a microarc regime that is favourable for the formation of the coatings The anodic alumina undergoes melting under the microdischarges which changes the cellular film morphology and reduces the concentration of anion contaminants (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码：1668 / 1678
页数：11
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