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研究了合金元素Zr对Cu-15Cr原位复合材料微观组织、力学性能、导电件能及热稳定性的影响规律.用SEM和TEM分别观察了材料的微观组织演变和析出相形貌,测试了不同应变下材料的抗拉强度和导电率,测定了材料的抗软化温度.结果表明:Zr促进Cr的析出,保持了微合金化Cu-15Cr复合材料的导电性;添加少量Zr可使Cu-15Cr-0.1Zr的抗拉强度提高约15%;Zr的加入使复合材料的抗软化温度提高了50℃左右.

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