高强高导高耐热铜合金的研究进展与展望  

Research Progress and Prospect on High Strength,High Conductivity,and High Heat Resistance Copper Alloys

作　　者：雷前[1] 杨一海 肖柱[2] 姜雁斌 龚深[2] 李周[2] LEI Qian;YANG Yihai;XIAO Zhu;JIANG Yanbin;GONG Shen;LI Zhou(State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China;School of Materials Science and Engineering,Central South University,Changsha 410083,China)

机构地区：[1]中南大学粉末冶金国家重点实验室,长沙410083 [2]中南大学材料科学与工程学院,长沙410083

出　　处：《材料导报》2021年第15期15153-15161,共9页Materials Reports

基　　金：国家磁约束核聚变能发展研究专项(2018YFE0306100);国家自然科学基金青年项目(51901250);湖南省自然科学基金(2019JJ50765)。

摘　　要：高强高导高耐热铜合金作为现代高新技术用关键材料之一,已被广泛应用于轨道交通、电子通信和导航控制等众多领域。本文以服役温度超过300℃的Cu-Ag、Cu-Ni-Si、Cu-Cr-Zr、Cu-Al_(2)O_(3)和Cu-Cr-Nb等高强高导高耐热铜合金为对象,概述了它们的合金设计原则、制备特点和相关物理特性,分析了它们开发应用中所存在的问题,并对它们的发展趋势进行了讨论和展望。High strength,high conductivity,and high heat resistant copper alloys are widely used in the fields of rail transit,electronic communications,navigation control,and other fields.In this work,Cu-Ag,Cu-Ni-Si,Cu-Cr-Zr,Cu-Al_(2)O_(3),and Cu-Cr-Nb alloys with service temperature over 300℃were reviewed.The design principles,preparation characteristics and related physical properties of these alloys were summarized.On this basis,the problems in their development and application were pointed out,and their research trends were analyzed and prospected.

关 键 词：高耐热 铜合金 高强高导 时效强化 

分 类 号：TG146[一般工业技术—材料科学与工程]