High-strength high-conductivity copper-chromium-zirconium alloy and preparation method thereof

The invention discloses a high-strength high-conductivity copper-chromium-zirconium alloy and a preparation method thereof. The high-strength high-conductivity copper-chromium-zirconium alloy comprises alloy powder and adhesive, wherein the alloy powder is prepared from the following raw materials by weight percent: 0.5 to 1.0 percent of chromium, 0 to 0.2 percent of zirconium, and the balance ofcopper; the copper element is introduced in a form of atomized copper powder in a particle size D50 of 6 to 15 micrometers, the chromium element is added in a form of chromium powder, and the zirconium element is added in a form of sponge zirconium powder; and the adhesive is plastic-based adhesive and comprises the following components by weight percent: 80 to 90 percent of polyformaldehyde, 5 to8 percent of polypropylene, 3 to 5 percent of paraffin, 1 to 3 percent of microcrystalline wax, 0.1 to 1.0 percent of stearic acid, and 0.2 to 2 percent of an antioxidant. The product of the high-strength high-conductivity co