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Aluminium alloy conductor and preparation method thereof

An aluminum alloy wire and aluminum alloy technology, applied in the field of aluminum alloys, can solve the problems such as the reduction of the electrical conductivity of aluminum alloys, and achieve the effects of improving strength, low electrical conductivity, and improving toughness

Inactive Publication Date: 2013-04-03
张桂芬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloys of these technologies generally include elements such as iron, magnesium, silicon, manganese, chromium, etc., and in order to improve the strength of aluminum alloys, elements such as titanium, nickel, copper, etc. are added, although the addition of these elements can improve the strength of aluminum alloys or Toughness, but a great reduction in the conductivity of aluminum alloys

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Described preparation method is:

[0019] Ingredients, by weight percentage, 1.0% copper, 0.03% iron, 0.001% carbon, 0.003% titanium, 0.003% vanadium, 0.1% nickel, 0.01% tungsten, 0.003% lanthanum-containing rare earth and other The amount is aluminum and unavoidable impurities for batching, among which titanium, vanadium, tungsten, iron, and rare earth elements are calculated in the form of titanium-aluminum alloy, vanadium-aluminum alloy, tungsten-aluminum alloy, iron-aluminum alloy and rare earth aluminum alloy;

[0020] Melting, smelting the above materials and casting them into aluminum alloy ingots; cooling down to 110-130°C at a rate of 30-50°C / second after casting;

[0021] For quenching and softening treatment, the aluminum alloy ingot is kept at 450-500° C. for 1 hour in an inert nitrogen atmosphere, and then the temperature is lowered at a uniform rate. The cooling rate is 15-20° C. / second.

Embodiment 2

[0023] Described preparation method is:

[0024] Ingredients, by weight percentage, 1.1% copper, 0.05% iron, 0.0015% carbon, 0.005% titanium, 0.005% vanadium, 0.3% nickel, 0.03% tungsten, 0.005% lanthanum-containing rare earth and other The amount is aluminum and unavoidable impurities for batching, among which titanium, vanadium, tungsten, iron, and rare earth elements are calculated in the form of titanium-aluminum alloy, vanadium-aluminum alloy, tungsten-aluminum alloy, iron-aluminum alloy and rare earth aluminum alloy;

[0025] Melting, smelting the above materials and casting them into aluminum alloy ingots; cooling down to 110-130°C at a rate of 30-50°C / second after casting;

[0026] For quenching and softening treatment, the aluminum alloy ingot is kept at 450-500° C. for 2 hours in an inert gas nitrogen atmosphere, and then the temperature is lowered at a uniform rate. The cooling rate is 15-20° C. / second.

Embodiment 3

[0028] Described preparation method is:

[0029] Ingredients, by weight percentage, 1.02% copper, 0.035% iron, 0.0011% carbon, 0.0045% titanium, 0.0033% vanadium, 0.22% nickel, 0.015% tungsten, 0.0035% lanthanum-containing rare earth and other The amount is aluminum and unavoidable impurities for batching, among which titanium, vanadium, tungsten, iron, and rare earth elements are calculated in the form of titanium-aluminum alloy, vanadium-aluminum alloy, tungsten-aluminum alloy, iron-aluminum alloy and rare earth aluminum alloy;

[0030] Melting, smelting the above materials and casting them into aluminum alloy ingots; cooling down to 110-130°C at a rate of 30-50°C / second after casting;

[0031] For quenching and softening treatment, the aluminum alloy ingot is kept at 450-500° C. for 1.5 hours in an inert gas nitrogen atmosphere, and then the temperature is lowered at a uniform rate. The cooling rate is 15-20° C. / second.

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PUM

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Abstract

The invention relates to an aluminium alloy conductor and a preparation method thereof. The aluminium alloy conductor comprises the following components in percentage by weight: 1.0-1.1% of Cu, 0.03-0.05% of Fe, 0.001-0.0015% of C, 0.003-0.005% of Ti, 0.003-0.005% of V, 0.1-0.3% of Ni, 0.01-0.03% of W, 0.003-0.005% of La-containing rare earth and the balance of Al and inevitable impurities. By adopting the technical scheme provided by the invention, the strength of the aluminium alloy conductor is improved while the influence on the conductivity of the conductor is less, and the toughness of the aluminium alloy conductor is improved.

Description

technical field [0001] The invention belongs to the field of aluminum alloys, in particular to an aluminum alloy used as an aluminum alloy wire for electric wires and a preparation method thereof. Background technique [0002] In general, except for outdoor transmission wires, the wires in other equipment are mainly copper or copper alloy wires. This is mainly because the conductivity of copper or copper alloy wires is much higher than that of other metals in wires of the same diameter. . With the increase of electrical equipment, the amount of copper or copper alloy used as a wire is also increasing. On the one hand, copper is a precious metal, and on the other hand, it has a higher density, which increases the weight of the wire. The energy consumption is contradictory. Therefore, aluminum, which is also relatively high in conductivity and low in density, is used to make wires, and has received widespread attention. [0003] However, the strength, fatigue resistance, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/12C22C1/03H01B1/02H01B5/02
Inventor 张桂芬
Owner 张桂芬
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