利用激光熔炼材料制备技术,制得了由铜基固溶体增韧的Cr5Si3/CrSi金属硅化物新型耐磨合金,分析了合金的显微组织结构,测定了合金的显微硬度,考察了合金在室温干滑动磨损条件下的耐磨性能.研究结果表明:Cr-Cu-Si金属硅化物合金显微组织由Cr5Si3金属硅化物初生树枝晶、CrSi相的初生树枝晶及枝晶间铜基固溶体组成,由于金属硅化物Cr5Si3及CrSi的高硬度、强原子间结合力与铜基固溶体的优异导热性、摩擦相容性,上述激光熔炼Cr-Cu-Si金属硅化物合金材料在室温滑动干摩擦试验条件下表现出优异的耐磨性.
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