以Mo粉、FeB合金粉和Fe粉为基本原料,分别加入C,Cr,Ni或同时加入C,Cr,Ni合金元素成分,采用原位反应真空液相烧结工艺,在Q235钢基体上,制备三元硼化物基金属陶瓷覆层材料.研究了合金组分对覆层材料抗弯强度的影响以及对覆层硬度和耐磨性的影响.研究结果表明:在三元硼化物基金属陶瓷覆层中同时加入5%Cr,2%Ni,0.8%C作为合金组分是覆层的最佳组成,此时覆层材料具有高的抗弯强度,覆层的硬度和耐磨性指标优异.
参考文献
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