A kind of al-fe-cu-mg-sb aluminum alloy for automobile wire and its wire harness

Abstract

The invention discloses an Al-Fe-Cu-Mg-Sb aluminum alloy for an automotive wire, a manufacturing method of the aluminum alloy, and a wiring harness made of the aluminum alloy. The Al-Fe-Cu-Mg-Sb aluminum alloy for the automotive wire comprises the following ingredients in percentage by weight: 0.2-1.4wt% of Fe, 0.01-0.5wt% of Cu and Mg, 0.001-0.2wt% of Sb, and the balance of Al and inevitable impurities. The mechanical strength and the tensile properties of the alloy can be improved by adding an Fe element; the high temperature creep resistance also can be obviously improved by Fe; the anti-fatigue performance of the alloy is improved; the strength and the high-temperature creep properties of the alloy can be improved by adding Cu and Mg; the anti-fatigue performance can be improved; the yield limit of the alloy can be improved by adding Sb; meanwhile, the alloy has superplasticity, so as to be drawn into a very thin alloy wire.

Description

Technical field

[0001] The invention relates to a wire harness that can be used as a battery cable, wire harness or engine cable in a mobile carrier, and belongs to the field of aluminum alloys. Background technique

[0002] At present, the automobile industry is developing rapidly around the world. The automobile industry has not only become a pillar industry in developed countries such as the United States and Japan, but also in some developing countries including China. As one of the important supporting products of automobiles, automobile lines It has good market prospects in terms of scale output and variety demand.

[0003] At the same time, automobiles are developing in the direction of miniaturization and lightweight. The control circuits of various electronic devices are increasing, and the wiring locations in motor vehicles are increasing. In order to achieve the purpose of energy saving and consumption reduction, automobile low-voltage wires are required to develo...

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