Regard the Ni-based high-temperature alloy as substrate and the mixed powder by oneself as layer cladding, the microstructure of laser cladding layers under different craft parameters was studied by CW CO2 laser.

• 摘要为了研究工艺参数时激光熔覆层微观形貌的影响，以CO2连续激光器为热源，在镍基高温合金基体表面熔覆自配粉末，对不同工艺参数下熔覆层的微观形貌进行了分析。