Yttrium contained hardfacing electrode with good process properties were made and the structure,hardness and abrasive resistance in hardfacing layer were studied.

• 研制出一种工艺性能良好的含稀土钇的堆焊焊条，对其堆焊层显微组织结构、硬度、耐磨性进行了较系统的试验研究。