通过Al-Ni2O3体系熔体反应法制备Al3Ni颗粒增强A356基复合材料,并研究了材料显微组织和耐磨性能.结果表明,Al3Ni颗粒在5％(质量分数)Al3Ni/A356复合材料中的形貌为细小的点状,在10％(质量分数)Al3Ni/A356复合材料中呈不规则的块状和弯曲的条状,在20％(质量分数)Al3Ni/A356复合材料中的形貌为圆球形,其中,5％(质量分数)Al3Ni/A356复合材料中,Al3Ni颗粒的尺寸最小.Al3Ni/A356复合材料的磨损率随着增强体质量分数的减少而降低,且所有复合材料的磨损率均低于A356合金.复合材料的磨损机制为磨粒磨损和剥层廖损.
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