激光形成原位TiC颗粒增强涂层的组织及性能
, PP. 1284-1288
Keywords: 激光熔覆,原位形成,TiC颗粒,复合材料
Abstract:
利用激光熔覆制备了TiC颗粒（TiC_p）增强金属基复合材料涂层，其中TiC_p为激光熔覆过程中原位形成.细小的原位TiC_p尺寸为几十至几百纳米，弥散分布于晶粒内部，并在涂层中呈密度梯度分布；高分辨电子显微镜证实TiC/涂层合金的相界面洁净，无界面反应物及非晶结构存在；涂层具有较高的显微硬度及耐磨损性能
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