The effect of nano-Al2O3 particles to anodic oxidation on magnesium alloy

被引：0
作者：
Zhang, Ding-Fei [1 ,2 ]
Gou, Yin-Ning [1 ,2 ,3 ]
Yang, Hui [3 ]
Guo, Xing-Xing [1 ,2 ]
机构：
[1] College of Materials Science and Engineering, Chongqing University
[2] National Engineering Research Center for Magnesium Alloys, Chongqing University
[3] College of Materials Science and Engineering, Chongqing University of Technology
来源：
Gongneng Cailiao/Journal of Functional Materials | 2013年 / 44卷 / 14期
关键词：
Composite oxide film; Corrosion resistance; Magnesium alloy; Nano-Al[!sub]2[!/sub]O[!sub]3[!/sub] particles; Wear resistance;
D O I：
10.3969/j.issn.1001-9731.2013.14.010
中图分类号：
学科分类号：
摘要：
Composite oxide films have been produced on AZ31 magnesium alloy by adding nano-Al2O3 particles to alkaline anodic oxidation solution. The effect of nano-Al2O3 particles on the process of anodizing, surface morphology and properties were analyzed by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), potentiodynamic polarization test and friction tests. The results show that the coating formation voltage increases with the addition of nano-Al2O3 particles. The performances of composite oxide films have no linear correlation with the concentration of nano-Al2O3 particles. The composite oxide film prepared in the presence of 10g/L nano-Al2O3 particles has uniform, smooth and compact surface morphology and shows best corrosion resistance and excellent wear resistance.
引用
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页码：2018 / 2022
页数：4
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