TiC/Ti复合材料激光熔覆层的冲击磨粒磨损性能

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在Ti6Al4V表面通过激光熔覆工艺原位合成TiC/Ti金属基复合材料涂层,其基体组织结构随表层预置合金粉末成分的变化而改变.采用单摆划痕装置测试原位合成TiC/Ti复合材料涂层的冲击磨粒磨损性能.结果表明,与基材Ti6A14V相比复合材料激光熔覆层的抗冲击磨粒磨损性能提高了2倍,且随表层预置粉末中Cr3C2含量的增加,反应生成的TiC含量增加,涂层抗冲击磨料磨损性能提高.
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