摘要:采用铺粉堆焊方式,在低碳钢表面堆焊高碳铬铁和硼铁混合合金粉末,研究了Cr、C含量对Fe-Cr-C-B堆焊合金耐磨性的影响,结果表明,随着Cr、C含量的增加,硬度逐渐增加,磨损损失逐渐减少,耐磨性增强。本试验中,当Cr含量为31.67%、C含量为3.85%,B含量为0.4%时,磨损失重最小。硼对Fe-Cr-C-B合金耐磨性影响较大。铬碳含量接近的含硼Fe-Cr-C-B堆焊合金比不含硼合金耐磨性提高1倍。
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