A kind of preparation method of high-conductivity and high-strength rare earth aluminum alloy transmission material
A transmission material and high-strength technology, which is applied in the field of preparation of high-conductivity and high-strength rare-earth aluminum alloy transmission materials, can solve problems such as distortion, signal loss, and the electrical conductivity of aluminum alloy transmission materials cannot meet the requirements, and achieve long life and reduce Effects of surface roughness, enhanced conductivity, and data transmission fidelity performance
Active Publication Date: 2016-04-27
ANHUI SHUOLI IND
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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.
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0012] A preparation method of high-conductivity and high-strength rare earth aluminum alloy transmission material includes the following steps:
[0013] (1) According to Al-6.5wt%Cu-0.4wt%Cr-0.8wt%Be-0.3wt%Ta alloy ingredients, then add the weighed pure aluminum into the melting furnace, heat it to 735℃, and wait for the pure aluminum Melt over 80%, adjust the temperature to 725℃, add alloy components according to Cu, Be, Cr, Ta in sequence, stir, refine, slag off, let stand, cast out of the furnace, and cast at 710℃ to obtain Al-Cu-Cr -Be-Ta alloy;
[0014] (2) Take pure aluminum and scrap aluminum as base materials at a mass ratio of 2:1 and add them to the melting furnace for heating and melting. When the temperature reaches 740°C, add the Al-Cu-Cr-Be-Ta alloy prepared in step (1) After it is completely melted, adjust the temperature to 760℃, add Zn, Mg, Cr, Mn, Nb, Zr and other alloy components, adjust the temperature to 745℃ after melting, add 2% refining agent of melt weigh...
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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...
Claims
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IPC IPC(8): C22C21/18C22C1/06C22F1/057
Inventor 鲍熊
Owner ANHUI SHUOLI IND