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Aluminum alloy conductor and preparation method thereof

A technology for aluminum alloy conductors and aluminum intermediate alloys, which is applied in the direction of metal/alloy conductors, etc., can solve the problems of reducing the conductivity of aluminum alloys, and achieve the effect of reducing the conductivity and improving the mechanical properties.

Active Publication Date: 2021-04-16
HUNAN RARE EARTH METAL MATERIAL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide an aluminum alloy conductor and a preparation method thereof, to solve the problems of the existing conductive aluminum alloys in the prior art due to the addition of alloying elements that increase the strength, which greatly reduces the conductivity of the aluminum alloy, etc.

Method used

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  • Aluminum alloy conductor and preparation method thereof

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preparation example Construction

[0039] Such as figure 1 As shown, the preparation method of the aluminum alloy conductor provided by the present invention comprises the following steps:

[0040] S1. According to the element mass percentage of the aluminum alloy conductor, aluminum ingots, magnesium ingots and aluminum master alloys are weighed as raw materials for preparation; wherein, the aluminum master alloys include: aluminum-silicon alloys, aluminum-copper alloys, aluminum-iron alloys, aluminum-zirconium alloys, Al-yttrium alloys, aluminum-titanium alloys, aluminum-boron alloys, and aluminum-manganese alloys.

[0041] Among them, the aluminum alloy conductor includes the following elements by mass percentage:

[0042] Magnesium: 0.50% to 0.70%, silicon: 0.35% to 0.60%, copper: 0.05% to 0.15%, iron: 0.05% to 0.20%, zirconium: 0.01% to 0.15%, yttrium: 0.03% to 0.15%, titanium: 0.003% to 0.015%, boron: 0.03% to 0.05%, manganese: 0.001% to 0.015%, unavoidable impurities: total content <0.15%, and the bala...

Embodiment 1

[0066] The mass percentage of elements in the aluminum alloy conductor is as follows:

[0067] Magnesium: 0.60%, Silicon: 0.45%, Copper: 0.15%, Iron: 0.05%, Zirconium: 0.03%, Yttrium: 0.13%, Titanium: 0.015%, Boron: 0.03%, Manganese: 0.005%, and the balance is Al and Unavoidable impurities.

[0068] S1. According to the above-mentioned element mass percentages of aluminum alloy conductors, aluminum ingots with a purity of 99.99%, magnesium ingots with a purity of 99.99%, and an aluminum master alloy are taken as raw materials for preparation; wherein, the aluminum master alloy includes: aluminum-silicon alloy, aluminum-copper alloy alloys, aluminum-iron alloys, aluminum-zirconium alloys, aluminum-yttrium alloys, aluminum-titanium alloys, aluminum-boron alloys and aluminum-manganese alloys;

[0069] S2. Adding aluminum ingots with a purity of 99.99%, magnesium ingots with a purity of 99.99%, and an aluminum master alloy into a melting furnace at 700° C., until all the preparat...

Embodiment 2

[0076] The mass percentage of elements in the aluminum alloy conductor is as follows:

[0077] Magnesium: 0.50%, Silicon: 0.35%, Copper: 0.10%, Iron: 0.15%, Zirconium: 0.08%, Yttrium: 0.1%, Titanium: 0.005%, Boron: 0.03%, Manganese: 0.001%, and the balance is Al and Unavoidable impurities.

[0078] S1. According to the above-mentioned element mass percentages of aluminum alloy conductors, aluminum ingots with a purity of 99.99%, magnesium ingots with a purity of 99.99%, and an aluminum master alloy are taken as raw materials for preparation; wherein, the aluminum master alloy includes: aluminum-silicon alloy, aluminum-copper alloy alloys, aluminum-iron alloys, aluminum-zirconium alloys, aluminum-yttrium alloys, aluminum-titanium alloys, aluminum-boron alloys and aluminum-manganese alloys;

[0079] S2. Adding aluminum ingots with a purity of 99.99%, magnesium ingots with a purity of 99.99%, and an aluminum master alloy into a melting furnace at 700° C., until all the preparati...

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Abstract

The invention provides an aluminum alloy conductor and a preparation method thereof. The aluminum alloy conductor comprises following elements in percentage by mass: 0.50%-0.70% of magnesium, 0.35%-0.60% of silicon, 0.05%-0.15% of copper, 0.05%-0.20% of iron, 0.01%-0.15% of zirconium, 0.03%-0.15% of yttrium, 0.003%-0.015% of titanium, 0.03%-0.05% of boron, 0.001%-0.015% of manganese, smaller than 0.15% of inevitable impurities and the balance of aluminum. By means of the aluminum alloy conductor and the preparation method thereof, the problems that the conductivity of the aluminum alloy is greatly reduced and the like due to the fact that alloy elements for improving the strength are added into existing conductive aluminum alloy in the prior art can be solved.

Description

technical field [0001] The invention relates to the technical field of conductive materials, and more specifically, to an aluminum alloy conductor and a preparation method thereof. Background technique [0002] At present, in the field of power industry, due to the advantages of aluminum alloy conductors such as low price, light weight, high strength, good processing performance, excellent electrical conductivity and corrosion resistance, "substituting aluminum for copper" has become the main development trend. Aluminum alloy conductors have been used in wire and cable, rail profiles, electrodes and other fields, and have achieved good economic and social benefits. [0003] With the development of industry, higher requirements are put forward for aluminum alloys, and the strength, plasticity and other indicators of aluminum alloys can no longer meet the use requirements. In addition to satisfying the mechanical properties, aluminum alloy products should also meet the requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C21/02C22C1/03C22C1/06C22F1/047C22F1/043H01B1/02
Inventor 罗天纵姚茂海王选理王志坚吕晶李杰
Owner HUNAN RARE EARTH METAL MATERIAL RES INST
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