Effect of laser scanning speed on phase constitution, microstructure,microhardness and wear resistance of laser-cladding stellite hard facing alloy by using of across-flow-stype CO_2 laser of power 1. 5 kW has been investigated.

• 本文报导应用横流式连续CO_2激光器,采用不同激光扫描速度,对熔覆Stellite 12钴基硬面合金的合金层的相组成、微观组织结构对耐磨性和显微硬度影响的研究结果。