本发明涉及有色金属加工技术领域，具体涉及一种耐高温超高强高弹、耐应力松弛铜合金及其制备方法及应用。本发明提供的铜合金通过各合金元素间协同作用对铜合金成分和微观组织进行调控，得到了优异的耐高温、超高强度、高弹和耐应力松弛的综合性能，完全满足5G通讯、航天航空或智能终端中高端电子元器件精密接插端子对铜合金的使用要求。

The invention relates to the technical field of non-ferrous metal processing, in particular to a high-temperature-resistant, ultra-high-strength, high-elastic, stress-relaxation-resistant copper alloy, and a preparation method and application thereof. The copper alloy provided by the present invention regulates the composition and microstructure of the copper alloy through the synergistic effect of various alloying elements, and obtains excellent comprehensive properties of high temperature resistance, ultra-high strength, high elasticity and stress relaxation resistance, and fully meets the requirements of 5G communications and aerospace Requirements for the use of copper alloys for precision plug-in terminals of high-end electronic components in aviation or smart terminals.