This paper discussed the influence of the magnetic field intensity H and welding current I on the hardness and the wear resistance of the Co-based alloys surfacing lager.

系统地研究了磁场强度H和焊接电流I对钴基堆焊合金堆焊层硬度和耐磨性的影响，发现当磁场强度H和焊接参数相匹配时，焊缝组织才能获得最佳的细化效果。

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The results show that the average Rockwell hardness of the layer is 55.7, the erasibility of the layer is 1.28. It indicates that the rod has perfect processing properties and h…

结果表明堆焊合金的平均洛氏硬度为55.7，相对耐磨性为1.28，具有良好的工艺性能，高温抗氧化性能优于基体材料。

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