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阐述了目前国内外激光熔覆处理设备的发展状况、当前激光熔覆金属陶瓷涂层所常使用的涂层材料、激光涂层时所采取的主要方法及其工艺比较、熔覆区的组织特征及影响因素、硬度与耐磨性及其它表面性能的改善，概括叙述了激光涂层的主要技术特点以及在石油机械行业中的应用现状，指出了该技术在实际应用中所存在的问题并分析了原因。
The current development of laser cladding treatment equipment at home and abroad is expounded. The coating materials commonly used in laser cladding cermet coating, the main methods and processes of laser cladding are compared. The microstructure characteristics of cladding zone And its influencing factors, hardness and abrasion resistance and other surface properties. The main technical characteristics of the laser coating and its application in the petroleum machinery industry are summarized. The problems existing in the practical application of the technology are pointed out and analyzed The reason.