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Aluminum alloy member for power transmission and transformation of power lines and preparation method thereof

A technology for aluminum alloy components and power lines, applied in coatings, anti-corrosion coatings, etc., can solve the problems of easy oxidation of the surface, large proportion of iron materials, and high production costs, and achieve energy saving and environmental protection in the manufacturing process, excellent corrosion resistance, and manufacturing. low cost effect

Active Publication Date: 2019-07-05
浙江华辉电气股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Iron materials have a large proportion, which is inconvenient for transportation and installation; and the surface is easy to oxidize, so it must be treated by pickling and hot-dip galvanizing processes, so the process is complicated, the production cost is high, and the process pollutes the environment seriously

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1. The following ingredients are prepared according to weight percentage: iron Fe 0.15%, silicon Si 0.12%, copper Cu 1.5%, scandium Sc 0.001%, cerium Ce 0.001%, magnesium Mg 1.5%, zinc 5.9%, and the balance is aluminum Al To prepare aluminum ingots and aluminum master alloys.

[0021] 2. Melt the aluminum ingot under the condition of 750℃-760℃, add various intermediate alloys, heat preservation, electromagnetic stirring treatment for 25min; then let stand for 30min, refining, degassing, removing slag and heating to 770℃-780 ℃;

[0022] 3. Continuous casting and rolling, the initial rolling temperature is 520℃, and the final rolling temperature is 300℃. In the first heat treatment, the aluminum alloy material coming out of the rolling mill is heated to 550°C, and rapidly cooled to 80°C-90°C. And continuously extruded into aluminum alloy profile, the second heat treatment, the treatment temperature is 130 ℃, the treatment time is 26h. Thus, an aluminum alloy profile that ha...

Embodiment 2

[0028] 1. According to weight percentage, the following ingredients are mixed: iron Fe 0.17%, silicon Si 0.18%, copper Cu 1.6%, scandium Sc 0.001%, cerium Ce 0.002%, magnesium Mg 1.8%, zinc 6.1%, and the balance is aluminum Al To prepare aluminum ingots and aluminum master alloys.

[0029] 2. Melt the aluminum ingot under the condition of 750℃-760℃, add various intermediate alloys, heat preservation, electromagnetic stirring treatment for 25min; then let stand for 30min, refining, degassing, removing slag and heating to 770℃-780 ℃;

[0030] 3. Continuous casting and rolling, the initial rolling temperature is 550℃, and the final rolling temperature is 330℃. In the first heat treatment, the aluminum alloy material coming out of the rolling mill is heated to 550°C-570°C, and rapidly cooled to 80°C-90°C. And continuously extruded into aluminum alloy profile, the second heat treatment, the treatment temperature is 135℃, and the treatment time is 28h. Thus, an aluminum alloy profile ...

Embodiment 3

[0036] 1. The following ingredients are prepared according to weight percentage: iron Fe 0.19%, silicon Si 0.50%, copper Cu 1.9%, scandium Sc 0.002%, cerium Ce 0.001%, magnesium Mg 2.2%, zinc 6.5%, and the balance is aluminum Al To prepare aluminum ingots and aluminum master alloys.

[0037] 2. Melt the aluminum ingot under the condition of 750℃-760℃, add various intermediate alloys, heat preservation, electromagnetic stirring treatment for 25min; then let stand for 30min, refining, degassing, removing slag and heating to 770℃-780 ℃;

[0038] 3. Continuous casting and rolling, the initial rolling temperature is 650℃, and the final rolling temperature is 330℃. In the first heat treatment, the aluminum alloy material coming out of the rolling mill is heated to 550°C-570°C, and rapidly cooled to 80°C-90°C. And continuously extruded into aluminum alloy profile, the second heat treatment, the treatment temperature is 165℃, and the treatment time is 32h. Thus, an aluminum alloy profil...

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Abstract

The invention relates to an aluminum alloy component for power line power transmission and a preparation method of the aluminum alloy component. Compared with the prior art, the aluminum alloy component for power line power transmission comprises an aluminum alloy base body component and a protective coating, and the aluminum alloy component comprises following elements, by weight percent, 0.15%-0.19% of Fe, 0.12%-0.50% of Si, 1.5%-1.9% of Cu, 0.001%-0.003% of Sc, 0.001%-0.009% of Ce, 1.5%-2.2% of Mg, 5.9%-6.5% of Zn and the balance Al. The aluminum alloy component for power line power transmission has the beneficial effects of being lower in manufacturing cost, lower in weight, high in specific strength, excellent in corrosion resistance and capable of saving energy and achieving environmentally friendliness in the manufacturing process.

Description

Technical field [0001] The invention belongs to the field of power transmission and distribution line equipment, and relates to an aluminum alloy component for power transmission and transformation of power lines and a preparation method thereof. Background technique [0002] Components for power line transmission and transformation are widely used in low-voltage, medium-voltage, and high-voltage transmission lines, as well as municipal and transportation lines. The traditional power line transmission and transformation components are made of iron materials, and the surface is hot-dip galvanized. The iron material has a large proportion and is inconvenient for transportation and installation; and the surface is easy to oxidize, and the surface must be treated by pickling and hot-dip galvanizing. Therefore, the process is complicated, the production cost is high, and the process pollutes the environment seriously. It is of great significance to use materials with small specific g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22C1/03C22F1/053C09D4/02C09D4/06C09D5/08
CPCC09D4/06C09D5/08C22C1/026C22C1/03C22C21/10C22F1/053
Inventor 吴振江於国良沈刚
Owner 浙江华辉电气股份有限公司
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