通过挤压铸造的方法制备出了不同Cu含量的系列Al2O3·SiO2sf/Al-Cu复合材料.摩擦磨损实验结果表明,Cu的加入降低了复合材料的摩擦系数;且随着Cu含量的增加,Al2O3·SiO2sf/Al-Cu复合材料的耐磨性能先增加后降低.在磨损过程中,Al2O3·SiO2纤维增强相牢固地镶嵌在基体里并形成支架,起到保护基体而提高复合材料耐磨性能的作用.Al2O3·SiO2sf/Al复合材料的磨损机制主要为黏着磨损,Al2O3·.SiO2sf/Al-Cu复合材料的磨损机制为黏着磨损为主并伴有磨粒磨损.
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