【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-Al₂O₃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。更多还原

【Abstract】 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-Al₂O₃,and Cu-Cr-Nb alloys with service temperature over300 ℃ 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.更多还原