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Method for manufacturing aluminum alloy cable

An aluminum alloy and cable technology, applied in metal/alloy conductors, cable/conductor manufacturing, circuits, etc., can solve the problems of easy breakage of wires, lack of flexibility, and low tensile strength

Inactive Publication Date: 2012-02-22
WUXI JIABANG ELECTRIC POWER PIPE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of aluminum alloy wires in my country still has great defects due to technical deficiencies, such as poor electrical conductivity, low tensile strength, and lack of flexibility, so that the wires are easily broken.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for manufacturing an aluminum alloy cable, comprising the following elements by weight percentage:

[0020] Zr 0.046%

[0021] Ba 1.4%

[0022] Fe 0.40%

[0023] Si 0.38%

[0024] Ag 0.04%

[0025] Y 0.56%

[0026] The balance is aluminum and unavoidable impurities, among which the solid solution phase transformation treatment at 500 ° C, Al 9 Fe 2 Si 2 Phase content 1%.

Embodiment 2

[0028] A method for manufacturing an aluminum alloy cable, comprising the following elements by weight percentage:

[0029] Zr 0.008%

[0030] Ba 0.9%

[0031] Fe 0.29%

[0032] Si 0.14%

[0033] Ag 0.006%

[0034] Y 0.10%

[0035] The balance is aluminum and unavoidable impurities, among which the solid solution phase transformation treatment at 650 ° C for 3 hours, Al 9 Fe 2 Si 2 The phase content does not exceed 0.8%.

Embodiment 3

[0037] A method for manufacturing an aluminum alloy cable, comprising the following elements by weight percentage:

[0038] Zr 0.027%

[0039] Ba 1.17%

[0040] Fe 0.34%

[0041] Si 0.26%

[0042] Ag 0.022%

[0043] Y 0.31%

[0044] The balance is aluminum and unavoidable impurities, among which the solid solution phase transformation treatment at 550°C for 1.5h, Al 9 Fe 2 Si 2 The phase content does not exceed 0.9%.

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PUM

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Abstract

The invention discloses a method for manufacturing an aluminum alloy cable. The method is characterized by comprising the following elements in percentage by weight: 0.008-0.046 percent of Zr, 0.9-1.4 percent of Ba, 0.29-0.40 percent of Fe, 0.14-0.38 percent of Si, 0.006-0.04 percent of Ag, 0.10-0.56 percent of Y, and the balance of aluminum and inevitable impurities, wherein the solid solution phase conversion processing is performed at a temperature between 500 and 650 DEG C, the phase content of Al9Fe2Si2 is no more than 1%; the conductivity is 62.5-64.0% IACS (International Annealed Copper Standard), the tensile strength is 37-42 Kg / mm<2>; and the number of torsion is 15,260-16,870, so that the aluminum alloy cable manufactured by the method provided by the invention completely meets the requirement of Chinese complex geographical environment on the cable hardness, meanwhile, the precious electrical energy can be saved.

Description

technical field [0001] The invention relates to cables, in particular to a method for manufacturing aluminum alloy cables. Background technique [0002] With the rapid growth of my country's electricity demand, the requirements for power energy transmission are also getting higher and higher. my country is a country with many rivers, lakes and high mountains and canyons, especially in the development of the west. The hydropower, thermal power and southwest hydropower are sent to the more developed middle and eastern regions. The demand for large-span and large-capacity conductive wires with special properties is inevitable. However, at present, the wires used in overhead transmission lines in my country are basically still traditional steel-cored aluminum stranded wires, and their heat resistance and corrosion resistance are relatively weak, so the transmission capacity and service life of the lines are limited to a certain extent. . [0003] Compared with the steel-cored a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00H01B1/02
Inventor 徐德生
Owner WUXI JIABANG ELECTRIC POWER PIPE FACTORY