高强高导Cu-Cr合金的研究现状及进展  

Research status and progress of Cu-Cr alloys with high strength and high conductivity

作　　者：罗晓阳[1] 唐兴昌 匡川 张志坚[3] 周维莲 LUO Xiaoyang;TANG Xingchang;KUANG Chuan;ZHANG Zhijian;ZHOU Weilian(Carbon Steel Sheet Factory,Jiugang Group,Jiayuguan 735100,Gansu,China;State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals,Lanzhou University of Technology,Lanzhou 730050,Gansu,China;College of Materials Science and Engineering,Lanzhou University of Technology,Lanzhou 730050,Gansu,China)

机构地区：[1]酒钢集团碳钢薄板厂,甘肃嘉峪关735100 [2]兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室,甘肃兰州730050 [3]兰州理工大学材料科学与工程学院,甘肃兰州730050

出　　处：《中国冶金》2023年第7期10-20,共11页China Metallurgy

基　　金：国家自然科学基金资助项目(52061022);嘉峪关市重点研发计划资助项目(22-17)。

摘　　要：铜合金作为一种功能材料被广泛应用于各个行业。Cu-Cr系列高强高导电合金不仅具有良好的导电性能,同时与其他系列铜合金相比具有优异的力学性能,因此在机械、电力、交通等工业生产领域有着广泛应用。通过添加微量合金元素,可以显著改善Cu-Cr合金的力学性能。归纳了国内外学者对高导电性和高强度Cu-Cr系列合金成分以及加工工艺的现有研究成果,总结了优化Cu-Cr合金综合性能的基本方法;系统介绍了Cu-Cr-Zr、Cu-Cr-Mg和Cu-Cr-REs等合金体系的研究进展;阐述了目前国内外学者利用机械加工工艺对Cu-Cr合金组织性能调控方面的研究成果;综合分析了Cu-Cr系列合金强化及导电性增强机制,最后对Cu-Cr合金研究及发展方向进行了展望。As a kind of functional material,copper alloys are widely used in various industries.Cu-Cr series high strength and high conductivity alloys not only has good conductivity,but also has excellent mechanical properties compared with other series of copper alloys,so it has a wide range of applications in machinery,electric power,transportation,and other industrial production fields.By adding trace alloying elements,the mechanical properties of Cu-Cr alloys can be significantly improved.The existing research results of domestic and foreign scholars on composition and processing technology of high conductivity and high strength Cu-Cr series alloys are concluded,and the basic methods for optimizing comprehensive properties of Cu-Cr alloys are summarized.The research progress of Cu-Cr-Zr,Cu-Cr-Mg and Cu-Cr-REs alloy series is systematically introduced.The current research results of domestic and foreign scholars on the regulation of microstructure and properties for Cu-Cr alloys by mechanical processing technology are expounded.The strengthening and conductivity enhancement mechanisms of Cu-Cr series alloys are comprehensively analyzed,and finally the research and development direction of Cu-Cr alloys are prospected.

关 键 词：CU-CR合金 高强度 高导电性 高强高导机理 加工工艺 

分 类 号：TG146.11[一般工业技术—材料科学与工程]