摘要
在Ti6A14V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,且随表层顶置粉末中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.
TiC/Ti metal matrix composite coating was in - situ synthesized by laser cladding process on Ti6Al4V alloy. The matrix structure of composite coating changes with different composition of prepared alloy powders. The impact abrasive behavior of composite coating has been investigated using a single pendulum scratch device. The results show that the impact abrasive resistance of composite coating is three times that of Ti6Al4V matrix alloy, and the content of TiC in composite coating is increased with the content of Cr3C2 in prepared alloy powders increased, resulting in the increase of the impact abrasive resistance performance of composite coating.
出处
《金属学报》
SCIE
EI
CAS
CSCD
北大核心
2002年第10期1100-1104,共5页
Acta Metallurgica Sinica
基金
中国科学院院长特别基金及中国科学院金属腐蚀与防护国家重点实验室资助项目
