高强高导铜合金材料的研究进展.pdf

Scientific Journal of Materials Science Cai Liao Ke Xue Qi Kan 高强高导铜合金材料的研究进展* 薛彦燕，陈亮，韩建宁，亚斌，贾非，张兴国 大连理工大学 材料科学与工程学院，辽宁 大连 116024 摘 要：本文对高强高导铜合金的热点应用领域，如引线框架材料、铁路接触线材料以及电阻焊电极材料及制备方法进行了较为 详细的分析，综述了研究动态和最新进展。重点介绍了高强高导铜合金的强化机理及其制备工艺，主要包括合金化法、复合材料 法、快速凝固法以及孪晶强化法等，就几种强化技术进行了对比分析，并对其未来发展方向进行了总结与展望。 关键词：高强高导；铜合金；热点应用；强化机理 中图分类号 TG146.1 文献标志码 A 文章编号DOI: Prospect of Researches on High-strength and High-conductivity Copper Alloy Materials ﹡ Yanyan Xue, Liang Chen , Jianning Han, Bin Ya, Fei Jia , Xingguo Zhang School of Materials Science and Engineering, Dalian University of Technology, Dalian, China, 116024 ﹡ E-mail: zxgwj@; Tel: 0411 Abstract: In this paper, preparation methods, study trends and latest developments of high strength and high conductivity copper alloys with hot applications in lead frame material, contact wire material and electrode material are analyzed and researched in detail. Strengthening mechanism and preparation process of high strength and high conductivity copper alloy, mainly including alloying, compositing, rapid solidification and twinning strengthening, etc., are emphatically introduced. What’s more, these enhanced techniques are analyzed comparatively. Finally, the development trends of these materials are summarized and forecasted. Key words: High-strength and High-conductivity; Copper Alloy; Hot Application; Strengthening Mechanism 前言 高强高导电性能的铜基材料是制备集成电路引线框架、电气化铁路接触导线、电阻焊电极、热核聚变实验堆 （ITER ）偏滤器垂直靶散热片[1,2]等器件的重要材料，新型高强高导电铜基材料的开发与制备，对国民经济、航空 航天及军工领域具有极为重要的意义。 纯铜具有优异的导电、导热、耐蚀性能和良好的加工性能，但其强