研究了稀土添加剂Ce、Y和Gd对Cu-Ag原位纤维复合材料结构和性能的影响,制备了具有高强度和高导电性相结合的Cu-Ag-Ce原位纤维复合材料.结果表明:添加少量稀土元素Ce、Y或Gd,使Cu-Ag原位纤维复合材料铸态树枝晶状结构演化为胞状树枝晶、明显的胞状和不规则胞状晶结构,富Ag相有球化倾向.稀土Ce可提高材料的综合性能,Y和Gd对材料的综合性能没有提高作用.
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