雷若姗,汪明朴,郭明星,李周,曹玲飞,陈畅

• 1:中南大学材料科学与工程学院
• 2:中南大学材料科学与工程学院
• 3:中南大学材料科学与工程学院
• 4:中南大学材料科学与工程学院

摘要(Abstract)：

采用机械合金化法制备了Cu-0.5wt%Nb纳米弥散强化铜合金。通过金相、透射电镜观察了该合金粉末态、冷轧态及不同温度退火后合金的组织结构变化。通过测量该合金不同状态的硬度及相对电导率,实验结果表明,其冷轧态硬度较高(可达160kg/mm2),随退火温度升高硬度呈缓慢下降趋势;900℃退火后,硬度仍可达91kg/mm2,表明此合金抗高温软化性能较好。此外该合金相对电导率最高可达89%IACS,这进一步说明利用机械合金化法制备的Cu-0.5wt%Nb合金具有优越的综合性能。

关键词(KeyWords)： 机械合金化;Cu-Nb合金;真空热压;退火;高强高导

Abstract:

Keywords:

基金项目(Foundation): 国家高新技术发展“863”计划资助项目(2006AA03Z517);; 博士点基金(20040533069)

作者(Author): 雷若姗,汪明朴,郭明星,李周,曹玲飞,陈畅

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