为了研究时效工艺对Cu-0.3Cr-0.15Zr-0.05Mg合金显微组织及性能的影响,在时效温度400～650℃和时效时间1～11h条件下,得到时效工艺参数与硬度和电导率的曲面关系,并利用透射电镜分析合金时效后的微观形态和析出相.研究结果表明:合金固溶后470℃时效4 h,硬度和电导率可达HV108和45 S·m-1,析出相为Cr、Cu4Zr和有序的CrCu2(Zr,Mg)相;550℃时效1 h后硬度和电导率仍具有HV106和46.8 S·m-1,析出相完全转变为Cr和Cu4Zr.
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