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Aluminium alloy cable

An aluminum alloy and cable technology, applied in the cable field, 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

[0018] An aluminum alloy cable comprises the following elements by weight percentage:

[0019] Zr 0.046%

[0020] Re 1.4%

[0021] Fe 0.40%

[0022] Si 0.38%

[0023] Ag 0.04%

[0024] Y 0.56%

[0025] The balance is aluminum and unavoidable impurities, of which Al 9 Fe 2 Si 2 Phase content 1%.

Embodiment 2

[0027] An aluminum alloy cable comprises the following elements by weight percentage:

[0028] Zr 0.008%

[0029] Re 0.9%

[0030] Fe 0.29%

[0031] Si 0.14%

[0032] Ag 0.006%

[0033] Y 0.10%

[0034] The balance is aluminum and unavoidable impurities, of which Al 9 Fe 2 Si 2 The phase content does not exceed 0.8%.

Embodiment 3

[0036] An aluminum alloy cable comprises the following elements by weight percentage:

[0037] Zr 0.027%

[0038] Re 1.17%

[0039] Fe 0.34%

[0040] Si 0.26%

[0041] Ag 0.022%

[0042] Y 0.31%

[0043] The balance is aluminum and unavoidable impurities, of which Al 9 Fe 2 Si 2 The phase content does not exceed 0.9%.

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Abstract

The invention discloses an aluminium alloy cable. The aluminium alloy cable is characterized in that the aluminium alloy cable consists of the following elements in percentage by weight: 0.008 to 0.046 percent of Zr, 0.9 to 1.4 percent of Re, 0.29 to 0.40 percent of Fe, 0.14 to 0.38 percent of Si, 0.006 to 0.04 percent of Ag, 0.10 to 0.56 percent of Y and the balance aluminium and inevitable impurities, wherein the content of the Al9Fe2Si2 phase does not exceed 1 percent. The electric conductivity is 62.5 to 64.0 percent IACS (International Annealed Copper Standard), the tensile strength is 37Kg / mm<2> to 42Kg / mm<2>, the number of torsions is 15,260 to 16,870, consequently, the aluminium alloy cable can absolutely meet the requirement of the complex geographic environment of China on cable toughness, and meanwhile, precious electricity is saved as well.

Description

technical field [0001] The invention relates to cables, in particular to an aluminum alloy cable. 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 aluminum stranded wire, th...

Claims

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Application Information

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IPC IPC(8): H01B1/02
Inventor 徐德生
Owner WUXI JIABANG ELECTRIC POWER PIPE FACTORY