对镁合金表面沉积铝涂层这一镁合金表面处理的新技术进行了总结,分析了传统镁合金表面处理的优缺点以及在镁合金表面沉积铝涂层的优势.最新的在镁合金表面沉积铝涂层的工艺主要有铝粉埋覆扩散法、铝粉刷涂埋覆扩散法、火焰喷涂热扩散法、电弧喷涂热压法、动态金属喷镀法.在对以上沉积原理的分析和理解的基础上,详细阐述了镁合金表面铝涂层的耐蚀机理,并指出了该技术的应用前景和制约其发展的主要因素.
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