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Light-weight conductive copper-silver blended aluminum-based powder metallurgy material and application thereof

A powder metallurgy, copper-silver technology, applied in conductive materials, conductive materials, conductors, etc., can solve the problems of high wire resistivity and low production level of aluminum wires, and achieve reduced transportation energy consumption, low resistivity, and reduced effect of loss

Active Publication Date: 2015-03-04
宁波合盛新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, my country has a great demand for aluminum conductors. The conductors used in overhead transmission lines must have good electrical conductivity and certain strength. However, the production level of aluminum conductors in my country is quite low, and the resistivity of conductors remains high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Lightweight conductive copper-silver blended aluminum-based powder metallurgy material, the components and the mass percentage of each component are: Cu 4.0%, Ag 2%, Ti 1.0%, V 0.01%, Gr 0.02%, Mg 0.24%, and the balance is Al.

[0019] The processing technology includes the following steps:

[0020] 1) Metal raw material melting: Melt all the aluminum, and add other ingredients to the molten aluminum after preheating to 200°C;

[0021] 2) Raise the temperature of the metal raw material in step 1) to 680°C, stir until the metal is completely melted, then pass in argon and stir;

[0022] 3) Heating the metal raw material melted in step 3) to 750°C, pouring, and then extruding rods and drawing wires to obtain overhead transmission line conductors.

Embodiment 2

[0024] Lightweight conductive copper-silver blended aluminum-based powder metallurgy material, the components and the mass percentage of each component are: Cu 10%, Ag 5%, Ti 2.5%, V 0.06%, Gr 0.2%, Mg 0.48%, and the balance is Al.

[0025] The processing technology includes the following steps:

[0026] 1) Metal raw material melting: Melt all the aluminum, and add other ingredients to the molten aluminum after preheating to 200°C;

[0027] 2) Raise the temperature of the metal raw material in step 1) to 680°C, stir until the metal is completely melted, then pass in argon and stir;

[0028] 3) Heating the metal raw material melted in step 3) to 750°C, pouring, and then extruding rods and drawing wires to obtain overhead transmission line conductors.

Embodiment 3

[0030] Lightweight conductive copper-silver blended aluminum-based powder metallurgy material, the components and the mass percentage of each component are: Cu 8%, Ag 4%, Ti 2.0%, V 0.05%, Gr 0.12%, Mg 0.40%, B 1.0% , the balance being Al.

[0031] The processing technology includes the following steps:

[0032] 1) Metal raw material melting: Melt all the aluminum, and add other ingredients to the molten aluminum after preheating to 200°C;

[0033] 2) Raise the temperature of the metal raw material in step 1) to 680°C, stir until the metal is completely melted, then pass in argon and stir;

[0034] 3) Heating the metal raw material melted in step 3) to 750°C, pouring, and then extruding rods and drawing wires to obtain overhead transmission line conductors.

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Abstract

The invention discloses a light-weight conductive copper-silver blended aluminum-based powder metallurgy material and an application thereof. The light-weight conductive copper-silver blended aluminum-based powder metallurgy material comprises the following components in percentage by mass: 4.0-10% of Cu, 2-5% of Ag, 1.0-2.5% of Ti, 0.01-0.06% of V, 0.02-0.2% of Gr, 0.24-0.48% of Mg and the balance of Al. The light-weight conductive copper-silver blended aluminum-based powder metallurgy material also comprises 0.15-1.15% of B. The mass percentage of Cu is twice as much as that of Ag. The light-weight conductive copper-silver blended aluminum-based powder metallurgy material which is high in conductivity (80% IACS), low in electrical resistivity and capable of reducing conveying energy consumption and loss can be obtained by adding copper with high conductivity and silver with high conductivity into an aluminum alloy material and regulating the addition amount.

Description

technical field [0001] The invention relates to a lightweight conductive copper-silver blended aluminum-based powder metallurgy material and an application thereof, belonging to the technical field of powder metallurgy materials. Background technique [0002] With the development of industry and the acceleration of the country's industrialization process, more and more attention has been paid to materials that play an important role in economic construction. Traditional materials are far from meeting the needs of industrial development, and the development of new materials has become the focus of scientific development in recent years. Materials are divided into metallic materials, inorganic non-metallic materials, polymer materials and composite materials. In the field of metal materials, light metals and their alloys have attracted more and more attention because of their low density and high specific strength. Among them, aluminum and aluminum alloys are the most used li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/16H01B1/02H01B5/02H01B13/00
CPCC22C21/16H01B1/023H01B5/02H01B13/00
Inventor 王爽邱晶刘晓东
Owner 宁波合盛新材料有限公司