The study on oxygen bubbles of anodic alumina based on high purity aluminum

被引：45

作者：

Zhu, XF ^{[1
]}

Li, DD ^{[1
]}

Song, Y ^{[1
]}

Xiao, YH ^{[1
]}

机构：

[1] Nanjing Univ Sci & Tech, Dept Chem Engn, Nanjing 210014, Peoples R China

来源：

MATERIALS LETTERS | 2005年 / 59卷 / 24-25期

基金：

中国国家自然科学基金;

关键词：

aluminum; anodization; electrolyte; porous film; oxygen;

D O I：

10.1016/j.matlet.2005.05.038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

U-t curve has been determined in anodic oxidation of high purity aluminum in two kinds of electrolytes. The formation of the barrier anodic aluminum oxide (AAO) film, the transformation from the barrier film to the porous one and the development of the porous film were analyzed in detail through the SEM micrograph. It was proposed that the porous films have developed from where they used to be seen as the phase of the formation of barrier films. The generation of O-2 in metal/film interface goes with the formation of porous films, so that the AAO film, whether or not it has begun to transform from barrier type to porous type, can be judged by observing if O-2 separates out or not. (C) 2005 Published by Elsevier B.V.

引用

页码：3160 / 3163

页数：4

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