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Energy-saving high-elongation soft aluminum alloy wire and preparation method thereof

An aluminum alloy wire and aluminum alloy technology, applied in the field of aluminum alloy wires, can solve the problems of low conductivity, inability to be used as cable conductors and electromagnetic wires, poor extensibility, etc., and achieve the effects of uniform composition, good crystalline state and excellent performance.

Inactive Publication Date: 2014-09-10
JIANGSU CHANGFENG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that medium-strength and high-strength aluminum alloy wires are hard wires, and have low conductivity and poor extensibility, so they cannot be used as cable conductors and electromagnetic wires.

Method used

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  • Energy-saving high-elongation soft aluminum alloy wire and preparation method thereof
  • Energy-saving high-elongation soft aluminum alloy wire and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Select the aluminum ingot for remelting with the grade of Al99.70, and the impurity content is required to be Si≤0.08%, Mn+Ti+V+Cr≤0.03%, and each other impurity≤0.03%.

[0027] (2) Ingredients are prepared according to the weight percentage of each component, among which Cu, Zr, Fe, Mg, Y, and Sc are respectively selected from aluminum-copper master alloy, aluminum-zirconium master alloy, aluminum-iron master alloy, aluminum-magnesium master alloy Master alloys, aluminum-yttrium master alloys, aluminum-scandium master alloys.

[0028] (3) Weigh the selected Al99.70 aluminum ingots, put them into the shaft furnace for high-temperature melting, and the molten aluminum flows into the holding furnace, and then add aluminum-iron intermediate alloy, aluminum-copper The master alloy, aluminum-zirconium master alloy, aluminum-magnesium master alloy, aluminum-yttrium master alloy and aluminum-scandium master alloy are alloyed, and the controlled temperature of the aluminum ...

Embodiment 2

[0039] (1) Select the aluminum ingot for remelting with the grade of Al99.70, and the impurity content is required to be Si≤0.08%, Mn+Ti+V+Cr≤0.03%, and each other impurity≤0.03%.

[0040] (2) Ingredients are prepared according to the weight percentage of each component, among which Cu, Zr, Fe, Mg, Y, and Sc are respectively selected from aluminum-copper master alloy, aluminum-zirconium master alloy, aluminum-iron master alloy, aluminum-magnesium master alloy Master alloys, aluminum-yttrium master alloys, aluminum-scandium master alloys.

[0041] (3) Weigh the selected Al99.70 aluminum ingots, put them into the shaft furnace for high-temperature melting, and the molten aluminum flows into the holding furnace, and then add aluminum-iron intermediate alloy, aluminum-copper The master alloy, aluminum-zirconium master alloy, aluminum-magnesium master alloy, aluminum-yttrium master alloy, and aluminum-scandium master alloy are alloyed, and the temperature of the aluminum liquid is ...

Embodiment 3

[0052] (1) Select the aluminum ingot for remelting with the grade of Al99.70, and the impurity content is required to be Si≤0.08%, Mn+Ti+V+Cr≤0.03%, and each other impurity≤0.03%.

[0053] (2) Ingredients are prepared according to the weight percentage of each component, among which Cu, Zr, Fe, Mg, Y, and Sc are respectively selected from aluminum-copper master alloy, aluminum-zirconium master alloy, aluminum-iron master alloy, aluminum-magnesium master alloy Master alloys, aluminum-yttrium master alloys, aluminum-scandium master alloys.

[0054] (3) Weigh the selected Al99.70 aluminum ingots, put them into the shaft furnace for high-temperature melting, and the molten aluminum flows into the holding furnace, and then add aluminum-iron intermediate alloy, aluminum-copper The master alloy, aluminum-zirconium master alloy, aluminum-magnesium master alloy, aluminum-yttrium master alloy and aluminum-scandium master alloy are alloyed, and the controlled temperature of the aluminum ...

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Abstract

The invention relates to an energy-saving high-elongation soft aluminum alloy wire and a preparation method thereof. The aluminum alloy wire is mainly composed of the following components in percentage by weight: 0.05-0.40% of Cu, 0.10-0.40% of Zr, 0.25-1.00% of Fe, 0.01-0.22% of Mg, 0.001-0.15% of Si, 0.05-0.15% of Y, 0.05-0.10% of Sc, and the balance of Al and other inevitable impurity elements. The amount of each element in the other inevitable impurity elements does not exceed 0.03%, and the total amount of all the other inevitable impurity elements does not exceed 0.15%. The aluminum alloy wire has the advantages of favorable creep resistance, high elongation percentage, favorable bending property and the like, is easy for machine-shaping, and can ensure the stability of the electrical connection.

Description

technical field [0001] The invention relates to an aluminum alloy wire, in particular to an energy-saving and high-stretch soft aluminum alloy wire and a preparation method thereof. Background technique [0002] At present, most of the electrical conductive materials used for power transmission are made of copper, but due to the shortage of domestic copper resources, about 70% of the copper materials need to be imported, and with the rising international copper price, the investment cost of conductive materials is increasing. The higher the value, the greater the consumption of copper resources. my country is a country rich in aluminum and poor in copper. There are a lot of aluminum resources in the country but they are not fully utilized, which is a great waste. Now the country advocates building a conservation-oriented society, and the industry is also encouraging the use of "aluminum saving copper". [0003] Due to the low electrical conductivity, low yield strength, la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/16C22F1/04C22F1/057B22D11/16B21C37/04H01B1/02
Inventor 王义林林爱华王勤仙张高阳孙皓李沿
Owner JIANGSU CHANGFENG CABLE
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