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Aluminum alloy material, preparation method of aluminum alloy material and application

A technology for aluminum alloy materials and aluminum alloy ingots, applied in the field of alloy materials, can solve the problems of inability to meet medium-strength aluminum alloy wires and low tensile strength, and achieve high tensile strength, tensile strength and improved electrical conductivity. Effect

Active Publication Date: 2017-11-07
GUANGDONG OMG TRANSMITTING TECH CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The aluminum alloy materials provided by the above documents also have the same problem, that is, although the electrical conductivity has reached more than 60% IACS, the tensile strength is low and cannot meet the requirements of medium-strength aluminum alloy wires

Method used

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  • Aluminum alloy material, preparation method of aluminum alloy material and application
  • Aluminum alloy material, preparation method of aluminum alloy material and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] An aluminum alloy material, comprising the following components in mass percentage:

[0049] 0.25% of iron, 0.25% of copper, 0.2% of magnesium, 0.15% of zinc, 0.1% of silicon, 0.05% of boron, 0.2% of scandium and 0.15% of ruthenium, and the balance is aluminum.

[0050] The preparation method of above-mentioned aluminum alloy material is as follows:

[0051] (1) After melting the aluminum ingot in a vacuum melting furnace, add iron, copper, magnesium, zinc, silicon, boron, scandium and ruthenium according to the formula, melt it at 1200°C for 6 hours, and then cast it into an aluminum alloy ingot;

[0052] (2) Homogenize the aluminum alloy ingot at 500° C. for 28 hours, then water quench to obtain a homogenized aluminum alloy ingot;

[0053] (3) The above-mentioned homogenized aluminum alloy ingot was subjected to aging treatment at 130° C. for 12 hours to obtain the above-mentioned aluminum alloy material.

Embodiment 2

[0055] An aluminum alloy material, comprising the following components in mass percentage:

[0056] 0.35% iron, 0.1% copper, 0.4% magnesium, 0.05% zinc, 0.3% silicon, 0.01% boron, 0.35% scandium and 0.05% ruthenium, and the balance is aluminum.

[0057] The preparation method of above-mentioned aluminum alloy material is as follows:

[0058] (1) After melting the aluminum ingot in a vacuum melting furnace, add iron, copper, magnesium, zinc, silicon, boron, scandium and ruthenium according to the formula, melt it at 1500°C for 2 hours, and then cast it into an aluminum alloy ingot;

[0059] (2) Homogenize the above-mentioned aluminum alloy ingot at 550°C for 16 hours, and then water quench to obtain a homogenized aluminum alloy ingot;

[0060] (3) The above-mentioned homogenized aluminum alloy ingot was subjected to aging treatment at 180° C. for 6 hours to obtain the above-mentioned aluminum alloy material.

Embodiment 3

[0062] An aluminum alloy material, comprising the following components in mass percentage:

[0063] 0.26% of iron, 0.23% of copper, 0.22% of magnesium, 0.14% of zinc, 0.13% of silicon, 0.04% of boron, 0.23% of scandium and 0.135% of ruthenium, and the balance is aluminum.

[0064] The preparation method of above-mentioned aluminum alloy material is as follows:

[0065] (1) After melting the aluminum ingot in a vacuum melting furnace, add iron, copper, magnesium, zinc, silicon, boron, scandium and ruthenium according to the formula, melt it at 1300°C for 4 hours, and then cast it into an aluminum alloy ingot;

[0066] (2) Homogenize the above-mentioned aluminum alloy ingot at 520°C for 24 hours, and then water quench to obtain a homogenized aluminum alloy ingot;

[0067] (3) The above-mentioned homogenized aluminum alloy ingot was subjected to aging treatment at 150° C. for 8 hours to obtain the above-mentioned aluminum alloy material.

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Abstract

The invention provides an aluminum alloy material, a preparation method of the aluminum alloy material and application. The aluminum alloy material comprises, by mass, 0.25-0.35% of iron, 0.1-0.25% of copper, 0.2-0.4% of magnesium, 0.05-0.15% of zinc, 0.1-0.3% of silicon, 0.01-0.05% of boron, 0.2-0.35% of scandium, 0.05-0.15% of ruthenium and the balance aluminum. The aluminum alloy material is obtained through the method that aluminum ingots are molten, added with other components of the formula ratio, and then sequentially subjected to melting, pouring, homogenizing treatment, water quenching and aging treatment. Aluminum alloy prepared through the preparation method serves as a guide line material, and has high tension strength, elongation and specific conductance at the same time.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, and in particular relates to an aluminum alloy material, its preparation method and application. Background technique [0002] my country has a huge demand for wires and cables. With the rapid increase in copper prices and the increasing scarcity of resources, the research and development and industrialization of aluminum conductors have attracted much attention. Compared with copper, aluminum is cheaper and lighter in weight. Under the same mass, the ampacity of aluminum is much higher than that of copper. Therefore, aluminum is the most promising metallic material to replace copper on transmission lines. [0003] However, aluminum has insufficient strength and toughness, is easily broken, and its electrical conductivity is only 61% IACS (International Annealed Copper Standard). By adding trace amounts of other elements to aluminum to form aluminum alloy materials, it can have a strong...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C21/00C22C1/02C22F1/04C22F1/047
CPCC22C1/026C22C21/00C22C21/08C22F1/04C22F1/047
Inventor 张清福刘爱平李永康魏玲
Owner GUANGDONG OMG TRANSMITTING TECH CO
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