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本文通过在镍基自熔合金粉末中添加少量稀土 ,探讨稀土对 Ni-WC喷焊层组织和耐磨性的影响 .结果表明 ,适量地加入稀土可以改善喷焊层焊态组织 ,提高喷焊层硬度和耐磨性 ,而且 ,喷焊粉末具有良好的工艺性能
In this paper, by adding a small amount of rare earth nickel-based self-fluxing alloy powder to explore the microstructure and wear resistance of Ni-WC spray coating layer of rare earth.The results show that appropriate amount of rare earth can improve the spray layer weld microstructure and improve the spray Layer hardness and wear resistance, and, spray powder has good process performance