高强导电铜合金的成分设计、相变与制备

来源期刊:中国有色金属学报2019年第9期

论文作者:李周 肖柱 姜雁斌 雷前 谢建新

文章页码:2009 - 2050

关键词:铜合金;高强度;高导电;合金化;相变

Key words:copper alloy; high strength; high electrical conductivity; alloying; phase transformation

摘    要:航空航天、微电子、轨道交通、通讯等行业的迅速发展,对高强导电铜合金的性能提出更高的要求。本文综述多种典型的高强高导铜合金和超高强导电铜合金的合金化原理、形变热处理工艺、相变过程以及微观组织结构与性能之间的关系,阐述合金化元素在合金中的存在形式,及其对沉淀析出行为、相变贯序和服役中的组织结构演变的影响规律,最后提出高强导电铜合金目前存在的主要问题和措施建议。

Abstract: With the rapid development of aerospace, microelectronics, rail transit, communication and other industries, higher requirements have been put forward for the performance of copper alloys with high strength and high electrical conductivity. This paper reviews the micro-alloying principle, thermo-mechanical processing, phase transformation and the relationship of microstructure and properties of the various typical copper alloys with high strength and high electrical conductivity. The distribution of alloying elements in the alloy and their effect on the precipitation behavior, phase transition sequence and microstructure evolution of the alloys in service were stated. The main problems and relevant solutions of the copper alloys with high strength and high electrical conductivity were recommended.

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