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High-strength and high-conductivity heat-resistant aluminum alloy wire and preparation method thereof

An aluminum alloy, high-conductivity technology, applied in the field of alloy wire manufacturing, can solve problems such as heat resistance, low conductivity, and low strength, and achieve the effects of increasing power transmission capacity, high conductivity, and high strength

Inactive Publication Date: 2015-10-28
铜陵金力铜材有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, the existing aluminum alloy wire has a series of problems such as low conductivity, low strength, heat resistance, large difference in conductivity in different environments, and high wire consumption.

Method used

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Embodiment Construction

[0015] A high-strength, high-conductivity and heat-resistant aluminum alloy wire rod, which contains components in weight percent: copper 0.075-0.085, scandium 0.032-0.035, iron 0.4-0.5, silicon 0.08-0.12, zirconium 0.02-0.025, manganese 0.8-0.9, and the balance for aluminum.

[0016] A method for preparing a high-strength, high-conductivity, heat-resistant aluminum alloy wire is characterized by comprising the following steps:

[0017] (1) According to the mass ratio of copper, scandium, silicon and zirconium in the ratio of 7:3:8:2, copper, scandium, silicon and zirconium powders are put into the furnace for melting, and after refining, they are poured to produce copper-scandium-silicon-zirconium alloy block;

[0018] (2) According to the raw material formula, put the aluminum block into the furnace and heat up to 730-740°C to melt, then heat up to 780-790°C, add copper scandium silicon-zirconium alloy block and other alloy ingredients, and mix well Finally, the refining ag...

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Abstract

A high-strength and high-conductivity heat-resistant aluminum alloy wire is characterized by comprising, by weight percentage, 0.075%-0.085% of copper, 0.032%-0.035% of scandium, 0.4%-0.5% of iron, 0.08%-0.12% of silicon, 0.02%-0.025% of zirconium, 0.8%-0.9% of manganese and the balance aluminum. Compared with an existing aluminum alloy wire, the strength and the electric conductivity of the high-strength and high-conductivity heat-resistant aluminum alloy wire are high at the same time; the tensile strength can be more than 265 Mpa; the electric conductivity can be more than 3.0% of IACS; the heat resistance can be more than 190 DEG C during long-time operation; and the power transmission capacity of the wire can be effectively improved.

Description

technical field [0001] The invention belongs to the technical field of alloy wire manufacture, and in particular relates to a high-strength, high-conductivity and heat-resistant aluminum wire for transmission lines and a manufacturing process thereof. Background technique [0002] In the past, the main component of wires used as transmission lines in my country was copper. However, due to the high price and cost of copper, and the advancement of technology, the application proportion of aluminum alloy wires is constantly increasing. Common steel-cored aluminum conductors, aluminum-clad steel-cored conductors, heat-resistant aluminum conductors, high-strength aluminum conductors, etc. used on transmission lines. However, the existing aluminum alloy wire has a series of problems such as low conductivity, low strength, heat resistance, large difference in conductivity in different environments, and high wire consumption. Contents of the invention [0003] The object of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/03C22F1/04
Inventor 田赟仇玲玲
Owner 铜陵金力铜材有限公司
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