The results show the microstructure of the deposited layers depended on the kind of electrode used as well as the type,performance and distribution of hardening particles.

• 结果表明,堆焊层金属的显微组织与堆焊焊条的合金成分及含量有关,也与焊条熔敷金属中硬质相的类型、性能及分布等有关;