CuCrZr is a precipitation hardening copper alloy, compared with most copper-based alloys, it also has the characteristics of high strength, high wear resistance and high tempering resistance at high temperatures, and has good castability, machinability, excellent mechanical properties and excellent thermal conductivity, and is widely used in integrated circuit lead frames, high-speed rail contact wires, aerospace heat dissipation components, rocket engines and nuclear fusion reactor combustion chambers, plasma components of the main candidate radiator, etc.