采用高速电弧喷涂工艺在20钢基体上制备铁基FeCrNiNbBSiMo涂层,采用光学显微镜、扫描电镜、能谱分析仪和X射线衍射仪对涂层的显微组织和抗高温氧化性能进行了研究,并与FeCrNiBSiMo涂层和锅炉管常用材料20钢的相关性能进行了比较.结果表明:FeCrNiNbBSiMo涂层的抗高温氧化性能明显优于FeCrNiBSiMo涂层和20钢,其氧化增重分别为FeCrNiBSiMo涂层和20钢的79％和1/30.Nb的加入使涂层更为致密,表现出优秀的抗高温氧化性能.
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