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Al-Fe-Cu-Mg-Ti aluminum alloy for an automobile wire, and a wiring harness thereof

A technology of al-fe-cu-mg-ti and automotive wiring harness, which is applied in the field of aluminum alloy, can solve problems such as shedding, and achieve the effect of overcoming processing performance and realizing lightweight problems

Pending Publication Date: 2014-04-30
ANHUI JOY SENSE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the wires of the electric wiring body of the mobile body are riveted to the terminals, and if creep occurs, there is a risk of falling off

Method used

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  • Al-Fe-Cu-Mg-Ti aluminum alloy for an automobile wire, and a wiring harness thereof
  • Al-Fe-Cu-Mg-Ti aluminum alloy for an automobile wire, and a wiring harness thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] An aluminum alloy for automotive wires, the components and weight percentages of each component are as follows (total weight: 1T):

[0042] components

Fe

Cu+Mg

Ti

Si

RE

Al

Weight (Kg)

2

0.1

0.01

/

/

997.89

Weight percentage (%)

0.2

0.01

0.001

/

/

99.789

[0043]In the above-mentioned aluminum alloy materials, it is preferable to add a certain amount of Ti. The addition of Ti acts on the miniaturized material of the ingot during melting and casting, improves the processing tensile performance of the alloy, and improves the creep resistance performance, especially to improve the contact with the connecting terminal. stability. It is preferable to add a certain amount of Cu, which has a certain solid solution strengthening effect, and the CuAl precipitated by aging 2 It has obvious aging strengthening effect, and the copper content in the alloy is most suitable at 0.01%-0...

Embodiment 2

[0050] An aluminum alloy for automotive wires, the components and weight percentages of each component are as follows (total weight: 1T):

[0051]

[0052]

[0053] Among the above-mentioned aluminum alloy materials, the content of Si was compared. An appropriate amount of Si can increase the recrystallization temperature and refine the grains, while exceeding a certain content will reduce its electrical conductivity. In the process of implementation, it was found that the Si content Excessive samples are prone to breakage during the wire drawing process.

[0054] The method for preparing an aluminum alloy wire core by using the above-mentioned aluminum alloy material, the specific steps are as follows:

[0055] a. Melting and casting: add aluminum alloy components according to the above ratio, melt at 730°C, cast ingots at 670°C, and then roll into alloy rods after solution treatment and aging treatment. The aging treatment here is preferably at 140°C or at higher temp...

Embodiment 3

[0060] An aluminum alloy for automotive wires, the components and weight percentages of each component are as follows (total weight: 1T):

[0061] components

Fe

Cu+Mg

Ti

Si

RE

Al

Weight (Kg)

12.0

5.0

2.0

0.50

2.5

978.00

Weight percentage (%)

1.20

0.50

0.20

0.05

0.25

97.80

[0062] The method for preparing an aluminum alloy wire core by using the above-mentioned aluminum alloy material, the specific steps are as follows:

[0063] a. Melting and casting: add aluminum alloy components according to the above ratio, melt at 730°C, cast ingots at 670°C, and then roll into alloy rods after solution treatment and aging treatment. The aging treatment here is preferably at 140°C or at higher temperatures,

[0064] b. Wire drawing: The alloy rod obtained in a. is subjected to intermediate annealing at a temperature of 150-180°C for 4-6 hours. This is to ensure the strength of the alloy ...

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Abstract

The invention discloses an Al-Fe-Cu-Mg-Ti aluminum alloy for an automobile wire, a preparation method thereof, and an automobile wiring harness prepared by the Al-Fe-Cu-Mg-Ti aluminum alloy. The Al-Fe-Cu-Mg-Ti aluminum alloy for the automobile wire comprises following components in percentage by weight: 0.2-1.4% of Fe, 0.01-0.5% of Cu and Mg, 0.001-0.2% of Ti, and the balance of Al and inevitable impurities. The mechanical strength and tensile performance of the alloy can be improved by adding the Fe element, the anti-creepage property and fatigue resistance property can be obviously enhanced through the Fe, the added Ti can play a role on the micronization material of ingots in casting, the processing tensile property of the alloy can be enhanced, and the anti-creepage property can be improved, especially the stability with a connecting terminal can be enhanced.

Description

technical field [0001] The invention relates to a wire harness that can be used as a storage battery cable in a mobile carrier, a wire harness or a cable for an engine, and belongs to the field of aluminum alloys. Background technique [0002] At present, the automobile industry is developing rapidly in the world. The automobile industry has not only become the pillar industry of developed countries such as the United States and Japan, but also some developing countries including China. As one of the important supporting products of automobiles, the automobile line, no matter It has a good market prospect in terms of scale output and variety demand. [0003] At the same time, automobiles are developing in the direction of miniaturization and light weight, the control circuits of various electronic devices are increasing, and the wiring positions in motor vehicles are increasing. Therefore, in order to reduce weight, attempts have been made to use aluminum electric wires who...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/06C22C21/08C22C21/16H01B1/02
Inventor 林泽民
Owner ANHUI JOY SENSE CABLE
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