The microstructure of the laser remelted ceramics plated on ductile iron is studied by metalloscopy,scanning electron microscopy and other methods with the forming mechanism of the structure explored.

• 采用金相显微镜、扫描电子显微镜等测试手段,分析了激光重熔球墨铸铁及球墨铸铁基陶瓷复合层的金相组织形貌,探讨了其形成机理。