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Method for manufacturing high-conductive heat-resistance aluminium alloy wire

An aluminum alloy wire, high electrical conductivity technology, applied in metal rolling and other directions, can solve the problems such as the inability to pour the alloy liquid cleanly, the electrical conductivity and strength residual rate of the high electrical conductivity and heat resistant aluminum alloy wire have not reached stable production, and the impact can be achieved. Good crystalline state, fully deformed, obvious effect

Inactive Publication Date: 2007-06-13
SHANGHAI ZHONGTIAN ALUMINUM WIRE
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Problems solved by technology

[0002] At present, in order to obtain high-conductivity and heat-resistant aluminum alloy wire, aluminum ingots are used to obtain alloy rods through conventional smelting, alloying, scouring and ordinary continuous casting and rolling. This rod is then drawn and heat-treated to reach 60% IACS The above mechanical and electrical performance requirements, the currently used flat-bottomed holding furnace cannot dump the alloy liquid after each smelting, leaving residual alloy liquid in the furnace body, which will affect the configuration of the alloy liquid in the next furnace. The main properties of the high-conductivity heat-resistant aluminum alloy wire, such as conductivity and strength residual rate, have not yet reached the goal of stable production.

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  • Method for manufacturing high-conductive heat-resistance aluminium alloy wire

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Embodiment

[0019] As shown in Figure 1, which is a schematic diagram of the manufacturing process of the present invention, a method of manufacturing high-conductivity heat-resistant aluminum alloy wire is: select the impurity content to be silicon≤0.08%, iron≤0.16%, copper≤0.01%, (titanium Ti+ Vanadium V + Chromium Cr + Manganese Mn) ≤ 0.015%, other impurities ≤ 0.03% aluminum ingots; put into the shaft furnace for melting; add zirconium in the range of 0.03-0.5% and yttrium in the range of 0.01-0.1% as alloying treatment The added elements; the aluminum liquid is alloyed in a tiltable holding furnace, the furnace temperature is controlled at 900 ° C, the aluminum liquid is controlled at 720-740 ° C and treated evenly with stirring, and refined by conventional solid or gas mixed with solid gas Refining and refining the crystal grains, covering the surface of molten aluminum with a solid covering agent, and standing for more than 45 minutes; using a high-speed spectrometer to detect the m...

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Abstract

The invention relates high conduction heat-resistant aluminum alloy wire manufacturing method. It includes the following steps: adding aluminum ingot with 0.06% silicon, not more than 0.16% iron and 0.01% copper, 0.015% four elements Ti, V, Cr, Mn, and 0.03% other impurity into shaft furnace to melt; adding 0.03-0.5% zirconium as additional element; stirring; refining; degassing; deslagging; using solid covering agent to cover aluminum pad surface; standing for 445-60 minutes; using high speed spectrum analyzer to test, monitor, adjust each element, control element content; filtering; continuous casting to form aluminum casting ingot; tandem rolling; drawing to form aluminum alloy wire with need diameter.

Description

technical field [0001] The invention relates to the manufacture of electrical materials, which is a manufacturing technology of conductive aluminum alloy, more precisely, a manufacturing method of high-conductivity heat-resistant aluminum alloy wire. Background technique [0002] At present, in order to obtain high-conductivity and heat-resistant aluminum alloy wire, aluminum ingots are used to obtain alloy rods through conventional smelting, alloying, scouring and ordinary continuous casting and rolling. This rod is then drawn and heat-treated to reach 60% IACS The above mechanical and electrical performance requirements, the currently used flat-bottomed holding furnace cannot dump the alloy liquid after each smelting, leaving residual alloy liquid in the furnace body, which will affect the configuration of the alloy liquid in the next furnace. The main properties of the high-conductivity heat-resistant aluminum alloy wire, such as conductivity and strength residual rate, h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/00B22D11/14B21B1/46B21C1/00
Inventor 尤伟任缪小林陆伟
Owner SHANGHAI ZHONGTIAN ALUMINUM WIRE
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