原位TiC/金属基激光熔覆涂层的微结构特征Microstructural Characteristics and Wear Properties of in situ Formed TiC Ceramic Reinforced Metal-matrix Composites Coatings by Laser Cladding
武晓雷,陈光南
摘要(Abstract)：
利用激光熔覆制备了原位形成TiC陶瓷颗粒增强金属基复合材料涂层 ,TiC为熔覆时原位形成。颗粒细小弥散 ,具有内晶型及密度梯度分布特征 ;HREM观察表明 ,TiC/基体界面结构具有洁净及微晶过渡特征 ,无界面反应物 ;熔覆组织具有较高的显微硬度及耐磨性。
关键词(KeyWords)： 激光熔覆;原位形成TiC
基金项目(Foundation): 中国科学院重大项目;; 国家自然科学基金重点项目;; 中国博士后基金资助课题
作者(Author): 武晓雷,陈光南
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