元素掺杂对高强高导Cu-Ag合金组织与性能影响进展  

Progress in Influence of Element Doping on Microstructure and Properties of Highstrength and High-conductivity Cu-Ag Alloys

作　　者：杨霄 张林[1] 王恩刚[1] YANG Xiao;ZHANG Lin;WANG Engang(Key Laboratory of Electromagnetic Processing of Materials(Ministry of Education),Northeastern University,Shenyang 110819;School of Metallurgy,Northeastern University,Shenyang 110819)

机构地区：[1]东北大学材料电磁过程研究教育部重点实验室,沈阳110819 [2]东北大学冶金学院,沈阳110819

出　　处：《特种铸造及有色合金》2025年第3期365-370,共6页Special Casting & Nonferrous Alloys

基　　金：国家重点研发计划资助项目(2017YFE0107900);国家自然科学基金资助项目(51674083);国家111计划2.0资助项目(BP0719037)。

摘　　要：高强高导Cu-Ag合金因其卓越的性能而在引线框架材料、铁路接触网材料以及高强磁场绕组线圈等领域得到广泛应用。随技术需求提升,以及降低Ag用量的需要,近年来向Cu-Ag合金中引入少量掺杂元素以制备性能更优越的Cu-Ag系三元合金成为研究热点。综述了添加Fe、Cr、Zr、Nb和Sc等元素对Cu-Ag合金组织和性能的影响,总结了不同合金体系的组织特点,以及添加元素作用下强度、硬度和电导率等性能的变化,并展望了Cu-Ag合金的发展前景。The high-strength and high-conductivity Cu-Ag alloy has widespread application in various fields such as lead frame materials,railway contact network materials,and high-strength magnetic field coil windings due to the outstanding performance.With the increasing demand for technological advancements and the need to reduce silver usage,recent research focus has shifted towards introducing small amounts of doping elements into Cu-Ag alloys to prepare ternary Cu-Ag alloys with desirable performance.Effects of adding elements such as Fe,Cr,Zr,Nb,and Sc on microstructure and properties of Cu-Ag alloys were investigated,and the characteristics of different alloy systems and variation in properties such as strength,hardness,and electrical conductivity after element addition were reviewed.Finally,the development prospects of Cu-Ag alloys were forecast.

关 键 词：高强高导 CU-AG合金 元素掺杂 组织与性能 

分 类 号：G353.11[文化科学—情报学] TG146.175[一般工业技术—材料科学与工程]