时效工艺对Cu-1.4Cr-0.2Zr-0.04Mg合金硬度和导电率的影响
Effect of Aging on Hardness and Conductivity of Cu-1.4Cr-0.2Zr-0.04Mg Alloy
鲁 萍, 陈九磅, 姜 伟
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作者单位：(合肥工业大学 材料科学与工程学院, 安徽 合肥 230009)
中文关键字：时效； 导电率； 第二相粒子
英文关键字：aging; electrical conductivity; second-phase particle
中文摘要：研究了时效工艺对Cu-1.4Cr-0.2Zr-0.04Mg合金硬度和导电率的影响， 并对强化机理和导电率提高的原因做了分析。结果表明：合金经过980 ℃固溶1 h，450℃时效3 h后其硬度和导电率达到最大值，分别为111.5 HBS和77.15%IACS。
英文摘要：The effects of aging on hardness and conductivity of Cu-Cr-Zr alloy were studied. The strengthening mechanism and reason of conductivity improvement were also analyzed. The results show that, the hardness and conductivity of alloy can reach 111.5HBS, 77.15%IACS, respectively, when it is solved at 980 ℃ for 1 h and then aged at 450 ℃for 3 h.