以Mo、Ni、Si金属粉末为原料,利用激光熔化沉积工艺制备出以难熔金属Mo初生树枝晶为增韧相,以三元金属硅化物Mo2Ni3Si为基体的金属硅化物耐磨合金,在室温干滑动磨损条件下测试了合金的耐磨性能.结果表明,初生树枝晶的体积分数随着Mo含量的增加而增加,而硬度却随之降低.由于金属硅化物Mo2Ni3Si的高硬度和难熔金属Mo树枝晶的高强韧性,合金在室温干滑动磨损条件下具有良好的耐磨性能.
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