电参数对镁合金阳极氧化膜性能影响的研究进展

来源期刊:中国有色金属学报2006年第11期

论文作者:张荣发 李明升 龙小丽 何向明 单大勇 韩恩厚

文章页码:1829 - 1837

关键词:镁合金; 阳极氧化; 电参数; 性能

Key words:magnesium alloys; anodization; electric parameters; property

摘    要:阳极氧化是提高镁合金耐蚀性的一种有效方法, 选择的电参数对氧化膜性能影响很大。 介绍了电参数如频率、 占空比、 电流密度、 终电压等的概念, 推导了占空比与电流密度的关系, 并综述了电参数对阳极氧化膜性能影响的研究进展。 随着电子技术在氧化电源上的广泛应用, 氧化设备的发展趋势为更加智能化以及频率越来越高。

Abstract: Anodizing is an effective method to improve the corrosion resistance of magnesium alloys, and the selected electric parameters have great effects on the properties of anodic coatings. Concepts of some electric parameters such as frequency, duty cycle, current density and final voltage were introduced and the relation between duty cycle and current density was deduced. In addition, the research progress about the effects of electric parameters on coating properties was reviewed. With the wide use of electric technology on anodizing power supply, the development trend of anodizing equipment is the intelligence and higher and higher frequency.

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