Aluminum alloy wire, electric wire, cable and wire harness

A technology of aluminum alloy wire and metal, applied in the field of wire harness, can solve problems such as insufficient strength of alloy wire single wire

Inactive Publication Date: 2015-10-07
YAZAKI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when this alloy wire is used as a conductor for an aluminum electric wire thinner than the above-mentioned size of 0.75sq, there is a concern that the single wire strength of this alloy wire is insufficient

Method used

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  • Aluminum alloy wire, electric wire, cable and wire harness
  • Aluminum alloy wire, electric wire, cable and wire harness
  • Aluminum alloy wire, electric wire, cable and wire harness

Examples

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Effect test

Embodiment

[0057] Hereinafter, the aluminum metal wire of the present invention will be described more specifically by showing operational examples.

[0058]

[0059] Magnesium and silicon were blended with aluminum to have a blending ratio of each of Examples 1 to 9 and Comparative Examples 1 to 4 in Table 1, and the blend was melted in a crucible and then poured into a mold. In this way, each ingot is formed.

[0060]

[0061] Each ingot was machined to predetermined dimensions using a roller press and a wire drawing machine to form two rolled material samples, one of which had a wire diameter of 18 mm (for rolling to a 99.9% reduction in cross-sectional area, which will be later described), and the other has a wire diameter of 3.2 mm (for rolling to 99% reduction in cross-sectional area, which will be described later). This step and the steps preceding it can be performed using continuous casting and rolling machines and wire drawing machines.

[0062]

[0063] Each rolled and...

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Abstract

Provided is an aluminum alloy wire which satisfies all the requirements necessary as a thin conductor for an automotive wire, namely, sufficient strength, sufficient elongation and sufficient conductivity. An aluminum alloy wire in which: the magnesium atomic content (M) (at%) and the silicon (Si) atomic content (S) (at%) fall respectively within the ranges represented by formulae (1) and (2) with the balance being composed of aluminum and unavoidable impurities; the mean grain size in the metallographic structure observed in a cross section is 3 to 20μm; the precipitate size in the metallographic structure observed in the cross the section is 100nm or less; and the number density of precipitates in the cross section is 1 / μm2 or more. [Numerical formula 1] 0.2 ≤ M ≤ 1.19 ··· (1) -0.81M + 1.44 ≤ S ≤ -1.54M + 2.31 ··· (2)

Description

technical field [0001] The present invention relates to an aluminum alloy wire, an electric wire and a cable respectively using the aluminum alloy wire as a conductor, and a wire harness. Background technique [0002] Regarding an aluminum alloy wire used as a conductor, Patent Document 1 discloses an aluminum alloy wire whose composition includes 0.2% to 1.0% of Mg, 0.1% to 1.0% of Si, and 0.1% or more to less than 0.5% Cu, and including Al and other impurities, wherein the mass ratio of Mg / Si satisfies the following formula: 0.8≤Mg / Si≤2.7. [0003] When this alloy wire is produced through the process of "casting (continuous casting or billet casting), rolling, melt treatment, aging treatment, wire drawing and final heat treatment", the alloy wire can be produced to have a tensile strength of 120 to 200MPa Aluminum alloy wire with strength, elongation above 10%, conductivity above 58% IACS, and diameter from 0.2 to 1.5mm. [0004] Among such technologies, due to recent de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22F1/04H01B1/02H01B5/02H01B7/00C22F1/00
CPCH01B1/023C22C21/02C22C21/08C22F1/04C22F1/043C22F1/047H01B7/0045
Inventor 后藤润大
Owner YAZAKI CORP
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