本发明公开了一种高强高导耐热Cu‑Cr‑Zr系合金材料及其制备方法和应用；在Cu‑Cr‑Zr合金基础上，添加了Fe、Si、Mg、Zn、Sn、Nb、Ag、Ti等元素，使合金在凝固过程中形成了亚微米级的耐热强化相，如Cr<subgt;3</subgt;Si、Cr<subgt;2</subgt;Nb等，并使合金材料在时效过程中析出的弥散分布纳米级富Cr相的高温稳定性得到了提高，通过多相协同弥散强化、应变强化、亚晶强化和固溶强化等多种强化机制共同作用，使合金具有高硬度、高强度、高导电性、软化温度高、高温性能优异的特点，可以应用于电阻点焊电极。

The present invention discloses a high-strength, high conductivity, and heat-resistant Cu-Cr-Zr alloy material, its preparation method, and application; On the basis of Cu Cr Zr alloy, elements such as Fe, Si, Mg, Zn, Sn, Nb, Ag, Ti, etc. were added to form sub micron sized heat resistant strengthening phases during the solidification process, such as Cr<subgt; 3</subgt; Si, Cr<subgt; 2</subgt; The high-temperature stability of the dispersed nanoscale Cr rich phase precipitated during the aging process of the alloy material has been improved by Nb and other strengthening mechanisms, such as multi-phase synergistic dispersion strengthening, strain strengthening, subgrain strengthening, and solid solution strengthening. The alloy has the characteristics of high hardness, high strength, high conductivity, high softening temperature, and excellent high-temperature performance, which can be applied to resistance spot welding electrodes.