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Synergistic effect of rare earth salt and organic acid in the anodization of aluminum in phosphoric acid

被引：1
|
作者：
Hui Wang
Hao-Wei Wang
机构：
[1] Shanghai Jiao Tong University,The State Key Lab of Metal Matrix Composites
来源：
Journal of Materials Science | 2006年 / 41卷
关键词：
Rare Earth; Phosphoric Acid; Porous Layer; Aluminum Anodization; Anode Surface;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of rare-earth element (cerium salt) and organic acid (citric acid) on the anodic oxide film obtained in phosphoric acid and their synergistic mechanism in the anodizing process were studied. The results show that the synergistic effect of cerium salt and citric acid in anodization of phosphoric acid can reduce surface defects, improve its microstructure and properties of the anodic oxide film. With the analysis of EDAX and XPS, the hydroxide of cerium salt was deposited on the film surface. It is deduced that cerium salt takes part in the formation of oxide film directly on the synergistic effect of citric acid.
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页码：4759 / 4763
页数：4
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