赵坚,宋仁国,李红霞,陈小明,李杰,卢果

• 1:浙江工业大学机械制造及自动化教育部重点实验室

摘要(Abstract)：

采用X射线衍射仪(XRD)、扫描电镜(SEM)、显微硬度计、摩擦磨损试验机等手段研究了不同电解液浓度对6063铝合金微弧氧化陶瓷涂层的相组成、微观结构、显微硬度、耐磨性能等的影响。结果表明:电解液浓度对涂层的性能有着较大的影响。电流密度和处理时间一定的条件下,当Na2SiO3的浓度小于9 g/L时,随着电解液浓度的增大,成膜速率有所提高,涂层中α-Al2O3与γ-Al2O3相的衍射峰明显增强,涂层与基体的结合力增大,且涂层的硬度和耐磨性也有很大的提高;但是当Na2SiO3的浓度大于9g/L时,涂层的硬度等性能基本不再变化,甚至有所下降。

关键词(KeyWords)： 微弧氧化;陶瓷涂层;6063铝合金;电解液浓度

Abstract:

Keywords:

基金项目(Foundation): 浙江省科技计划重大科技专项资助项目(2006C11183)

作者(Author): 赵坚,宋仁国,李红霞,陈小明,李杰,卢果

DOI: 10.13289/j.issn.1009-6264.2010.01.002

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