A kind of preparation method of high-conductivity and high-strength rare earth aluminum alloy transmission material

Abstract

The invention discloses a preparation method of a high-electrical conductivity high-strength rare earth aluminum alloy transporting material. The high-electrical conductivity high-strength rare earth aluminum alloy transporting material comprises, by weight, 4.2-5.5% of Cu, 2.4-3.6% of Zn, 0.5-0.8% of Be, 0.15-0.25% of Ta, 0.2-0.4% of Cr, 0.4-0.6% of Nb, 0.7-1.4% of Mn, 1.8-2.6% of Mg, 0.1-0.2% of Zr, 0.08-0.12% of Sc, 0.05-0.1% of Nd, 0.04-0.06% of Er and the balance Al. The high-electrical conductivity high-strength rare earth aluminum alloy transporting material has excellent electrical conductivity, high tensile strength greater than or equal to 620MPa and electric conductivity greater than or equal to 95% IACS, has the advantages of high fidelity performance, corrosion resistance, good processing properties and long life and can be widely used for manufacture of an electronic industrial transporting material.

Description

Technical field [0001] The invention relates to a preparation method of a high-conductivity high-strength rare earth aluminum alloy transmission material, and belongs to the technical field of aluminum alloy material processing. Background technique [0002] Aluminum and aluminum alloys have the advantages of excellent electrical conductivity, high strength and light weight. They are widely used as transmission materials in the electronics industry. With the development of the electronics industry and the development of high-frequency and high-speed digitization of electronic signal transmission, aluminum alloys The electrical conductivity of the transmission material can no longer meet the requirements, causing signal loss, and even serious or complete distortion. At the same time, the mechanical strength of the rare-earth aluminum alloy transmission material is becoming higher and higher. Therefore, the development of a high-conductivity and high-strength rare-earth aluminum al...

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Problems solved by technology

[0002] Aluminum and aluminum alloys have the advantages of excellent electrical conductivity, high strength, and light weight, and are widely used as transmission materials in the electronics industry. With the development of the electronics industry and the development of high-frequency and high-speed digital transmission of electronic signals, aluminum alloys The conductivity of transmission materials can no longer meet the requirements, causing signal loss, or even serious or complete distortion. At the same time, the requirements for the mechanical strength of rare earth aluminum alloy transmission materials are getting higher and higher.