Surface science studies of the effect of Mn2+ on zinc phosphating of 2024-T3 Al alloy

被引：4
|
作者：
Akhtar, A. S. [1 ]
Susac, D. [1 ]
Wong, K. C. [1 ]
Wong, P. C. [1 ]
Mitchell, K. A. R. [1 ]
机构：
[1] Univ British Columbia, Dept Chem, Vancouver, BC V5Z 1M9, Canada
来源：
ALUMINIUM ALLOYS 2006, PTS 1 AND 2: RESEARCH THROUGH INNOVATION AND TECHNOLOGY | 2006年 / 519-521卷
关键词：
aluminum alloy; conversion coatings; zinc phosphate; Mn2+ additive; photoelectron spectroscopy; scanning electron microscopy; Auger electron spectroscopy;
D O I：
10.4028/www.scientific.net/MSF.519-521.753
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The present work is part of a broader investigation of the effects of additives in zinc phosphate (ZPO) coating solutions that are designed for specific applications to Al and its alloys. ZPO conversion coatings improve the corrosion resistance of the Al substrate and increase the adhesion of paint. Coatings formed on 2024-T3 aluminum alloy, after dipping in ZPO coating baths containing Mn2+, have been studied by X-ray photoelectron spectroscopy (XPS), SEM, and scanning Auger microscopy (SAM). Variations are observed in coating morphology and composition as the amount of Mn2+ in the coating solution increases through the 0 to 2500 ppm range. Adhesion tests give information on the relative strength of the coating-substrate interaction at different microstructural areas.
引用
收藏
页码：753 / 758
页数：6
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