【摘要】 介绍了铝合金的微弧氧化技术的研究现状 ,阐述了在电解液中高压脉冲电场作用下铝合金表面 Al2 O3陶瓷层于不同时间段的形成条件和生成机理 ,及与现行铝合金表面处理工艺相比可能应用的领域。总结了陶瓷层的制备方法以及电流、电压和溶液类型等因素对Al2 O3陶瓷层的结构和性能的影响更多还原

【Abstract】 The present researches on microarc oxidation technique of aluminum alloy are introduced in this paper. The conditions and mechanisms of formation for Al 2O 3 ceramic coating on surface of aluminum alloy in electrical field by high pulse voltage of electrolyte at different times are described, and the possible applied fields of this technique is compared to those of other present surface treatment processes on aluminum alloy. The preparation methods of microarc oxidation coating and the influences of such factors as current, voltage, the kind of electrolytes on properties and structures of Al 2O 3 ceramic coating are summarized.更多还原