High-conductivity heat-resistance aluminum alloy wire and preparation method thereof

An aluminum alloy wire, high electrical conductivity technology, applied in the direction of metal/alloy conductors, etc., can solve the problems of high energy consumption and low electrical conductivity, and achieve the effect of reducing line loss, good electrical conductivity, and saving construction costs

Inactive Publication Date: 2015-08-12
WUXI HUANENG ELECTRIC CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem in the prior art that the conductivity of the heat-resistant aluminum alloy is lower than that of the aluminum wire, and the energy consumption is relatively large when used as a wire for transmission. Conductive heat-resistant aluminum alloy wire and preparation method thereof

Method used

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  • High-conductivity heat-resistance aluminum alloy wire and preparation method thereof

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Embodiment 1

[0026] Material selection: 6000kg of Al99.70 aluminum ingot is selected for aluminum ingot, and the mass percentage of each element is: Si 0.065%; Fe 0.18%; Ti+Mn+Cr+V 0.018%; The mass percentage is: Zr 4.53%; Fe 0.4%; Si 0.2%; Ti+Mn+Cr+V 0.18% aluminum-zirconium alloy, the aluminum-iron alloy is selected as 15kg, and the mass percentage of each element is: Fe 4.92%; Si 0.19%; Ti+Mn+Cr+V 0.033% aluminum-iron alloy; aluminum-silicon alloy 18kg, the mass percentage of each element is: Si 9.84%; Fe 0.18%; Ti+Mn+Cr+V 0.049% aluminum-silicon alloy; aluminum ytterbium Alloy selection 40kg, the mass percentage of each element is: Yb 9.85%; Si 0.2%; Fe 0.25% aluminum ytterbium alloy; aluminum boron alloy selection 35kg, the mass percentage of each element is: B 2.97%; Si 0.19%; Fe 0.24 % aluminum boron alloy.

[0027] Mix the weighed aluminum ingots, aluminum-iron alloys, and aluminum-silicon alloys evenly into the melting furnace for melting; when the molten aluminum flows out of th...

Embodiment 2

[0029]Material selection: 7000kg aluminum ingot with grade Al99.70 is selected for the aluminum ingot, the mass percentage of each element is: Si-0.043%; Fe 0.14%; Ti+Mn+Cr+V 0.015%; aluminum-zirconium alloy is selected 95kg, the The mass percentage is: Zr 4.55%; Fe 0.4%; Si 0.2%; Ti+Mn+Cr+V 0.18% aluminum-zirconium alloy, the aluminum-iron alloy is 55kg, and the mass percentage of each element is: Fe 4.95%; Si 0.19%; Ti+Mn+Cr+V 0.030% aluminum-iron alloy; aluminum-silicon alloy 18kg, the mass percentage of each element is: Si 9.98%; Fe 0.2%; Ti+Mn+Cr+V 0.068% aluminum-silicon alloy; aluminum ytterbium The alloy is 85kg, and the mass percentage of each element is: Yb 9.76%; Si 0.2%; Fe 0.24% aluminum ytterbium alloy; the aluminum boron alloy is 90kg, and the mass percentage of each element is: B 2.97%; Si 0.19%; Fe 0.24 % aluminum boron alloy.

[0030] Aluminum ingots, aluminum-iron alloys, and aluminum-silicon alloys are evenly matched in proportion to the melting furnace fo...

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Abstract

The invention relates to a high-conductivity heat-resistance aluminum alloy wire and a preparation method thereof. The high-conductivity heat-resistance aluminum alloy wire comprises the chemical elements by weight percent: 0.03-0.06% of zirconium, 0.07-0.10% of silicon, 0.14-0.25% of iron, 0.03-0.06% of ytterbium, 0.01-0.04% of boron, not more than 0.02% of total amount of titanium, manganese, chromium and vanadium, and the balance of aluminum. The preparation method comprises the following steps: respectively weighing raw materials including aluminum ingots, aluminum-silicon alloy, aluminum-iron alloy, aluminum-ytterbium alloy and aluminum-boron alloy at a mass ratio of (6000-7000): (50-95): (15-55): (18-20): (40-85): (35-90); melting each raw material, performing purification regulating elements of an aluminum solution, slagging off, preserving the heat, standing, filtering the aluminum solution, casting and crystallizing; rolling ingot-casting-formed aluminum alloy ingots to form aluminum alloy wires, drawing the rolled aluminum alloy wires to form high-conductivity heat-resistance aluminum alloy wires. According to the prepared high-conductivity heat-resistance aluminum alloy wire, the electric conductivity is larger than 61% IACS, the tensile strength is larger than 160MPa, and the heat resistance is good; furthermore, the production technical steps are simple; by utilizing electric wires and cables produced by the aluminum alloy wires, the operation speed of a circuit can be improved, and the carrying capacity is improved.

Description

technical field [0001] The invention relates to a high-conductivity heat-resistant aluminum alloy and a preparation method thereof, belonging to the technical field of aluminum alloy wire preparation. Background technique [0002] With the rapid development of my country's economy, the demand for electricity continues to grow, and the power load continues to increase. The heat-resistant aluminum alloy wire can increase the operating temperature of the line, greatly increase the transmission capacity of the line, and can save 10%-15% compared with ordinary wires. invest. At present, heat-resistant aluminum alloys mainly include heat-resistant aluminum alloys, super heat-resistant aluminum alloys, special heat-resistant aluminum alloys, and high-strength heat-resistant aluminum alloys. The conductivity is 60%, 58%, and 55% IACS. Compared with the conventional aluminum wire, the conductivity of 61% IACS has decreased, which increases the transmission line loss while improvi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/03C22C1/06C22F1/04H01B1/02
Inventor 杨怀鞠霖周瑾席方伟
Owner WUXI HUANENG ELECTRIC CABLE
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