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Aluminum alloy conductor for cable and preparation method thereof

A technology of aluminum alloy conductors and aluminum alloy wires, which is applied in the direction of metal/alloy conductors, conductors, power cables, etc., can solve the problems of unsatisfactory complex natural conditions, rain, snow, freezing and long-distance wide sea wiring, etc., to increase the power resistance Improved chemical corrosion performance, improved creep resistance, and easy compaction

Inactive Publication Date: 2016-04-27
六盘水贵都电线电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, many manufacturers have developed a variety of conductive aluminum alloy cables, but they still cannot meet the needs of complex natural conditions, rain, snow and freezing, and long-distance open sea wiring, and their performance still needs to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The parts by weight are Mg: 0.5 parts, Zr: 0.2 parts, Cu: 0.10 parts, Fe: 0.5 parts, Si: 0.05 parts, rare earth lanthanum and yttrium: 0.10 parts, As: 0.15 parts, Sr: 0.05 parts, and the balance For Al, carry out batching.

[0027] The preparation process of the aluminum alloy conductor is described by taking the above ingredients as an example.

[0028] (1) Melting and refining: first put aluminum ingots into the melting furnace for smelting, then add magnesium ingots, zirconium ingots, copper ingots, arsenic ingots, strontium ingots, aluminum-iron master alloys, aluminum-silicon master alloys, rare earth, Aluminum-titanium-boron wire, refining agent and slag-removing agent are used to stir the aluminum alloy solution, and use online degassing to remove low melting point light metal and non-metallic impurities;

[0029] (2) Casting: cast the melted and refined aluminum alloy solution into aluminum alloy casting bars, the casting temperature is 680°C, the casting speed...

Embodiment 2

[0036] The parts by weight are Mg: 1.0 parts, Zr: 0.6 parts, Cu: 0.15 parts, Fe: 1.0 parts, Si: 0.10 parts, rare earth lanthanum and yttrium: 0.12 parts, As: 0.20 parts, Sr: 0.08 parts, and the balance For Al, carry out batching.

[0037] The preparation process of the aluminum alloy conductor is described by taking the above ingredients as an example.

[0038] (1) Melting and refining: first put aluminum ingots into the melting furnace for smelting, then add magnesium ingots, zirconium ingots, copper ingots, arsenic ingots, strontium ingots, aluminum-iron master alloys, aluminum-silicon master alloys, rare earth, Aluminum-titanium-boron wire, refining agent and slag-removing agent are used to stir the aluminum alloy solution, and use online degassing to remove low melting point light metal and non-metallic impurities;

[0039] (2) Casting: cast the melted and refined aluminum alloy solution into aluminum alloy casting bars, the casting temperature is 690°C, the casting speed...

Embodiment 3

[0046] The parts by weight are Mg: 0.8 parts, Zr: 0.4 parts, Cu: 0.12 parts, Fe: 0.8 parts, Si: 0.07 parts, rare earth lanthanum and yttrium: 0.11 parts, As: 0.18 parts, Sr: 0.07 parts, and the balance For Al, carry out batching.

[0047] The preparation process of the aluminum alloy conductor is described by taking the above ingredients as an example.

[0048] (1) Melting and refining: first put aluminum ingots into the melting furnace for smelting, then add magnesium ingots, zirconium ingots, copper ingots, arsenic ingots, strontium ingots, aluminum-iron master alloys, aluminum-silicon master alloys, rare earth, Aluminum-titanium-boron wire, refining agent and slag-removing agent are used to stir the aluminum alloy solution, and use online degassing to remove low melting point light metal and non-metallic impurities;

[0049](2) Casting: casting the melted and refined aluminum alloy solution into aluminum alloy casting bars, the casting temperature is 700°C, the casting spe...

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PUM

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Abstract

The invention relates to an aluminum alloy conductor for cables and a preparation method thereof. The aluminum alloy conductor is characterized by comprising the following chemical components in percentage by weight: 0.5%-1.0% of Mg, 0.2%-0.6% of Zr, 0.10%-0.15% of Cu, 0.5%-1.0% of Fe, 0.05%-0.10% of Si, 0.10%-0.12% of rare earth, 0.15%-0.20% of As, 0.05%-0.08% of Sr and the balance of Al. The preparation method of the aluminum alloy conductor for cables comprises the steps of: melting and refining, casting, rolling, drawing a single wire, annealing, stranding and compressing as well as packaging and warehousing. The aluminum alloy conductor has the characteristics of high strength, high conductivity, excellent electrochemical corrosion resistance, high-temperature resistance, bending resistance, creep resistance and the like.

Description

technical field [0001] The invention relates to the field of cable and wire processing, in particular to an aluminum alloy conductor for cables and a preparation method thereof. Background technique [0002] For a long time, copper has been used as a conductor in cables. Its electrical performance and stability have great advantages over other materials before. Therefore, copper has always been the best choice for cables and wires. However, based on the fact that my country has less copper and more aluminum In addition, under the national strategic vision of advocating energy conservation and sustainable development, more economical and more environmentally friendly aluminum materials will become the first choice for cable raw materials. "Replacing copper with aluminum" has become an inevitable trend in the transformation and development of the cable industry. . [0003] With the improvement of power transmission and transformation technology and the development of power tran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/06C22C1/03C21D8/06C22F1/047C22C1/06H01B1/02H01B5/08H01B9/00
Inventor 张聪聪陈荣立
Owner 六盘水贵都电线电缆有限公司
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