SEM and EDX were also used to analyze the surface and cross section images of coating, and the failure mechanism of coating was discussed as well.

• 利用扫描电镜(SEM)分析了涂层表面形貌,对涂层断面进行了能谱(EDX)线扫描和界面处腐蚀产物成分分析,探讨了环氧铝粉涂层的腐蚀失效机理。