High-strength aluminum alloy profile and manufacturing technique thereof

An aluminum alloy profile and manufacturing process technology, applied in the field of aluminum alloy materials, can solve the problems of complex manufacturing process, low product strength, easy deformation, etc., and achieve the effects of simple manufacturing process, improved strength, and extended service life.

Inactive Publication Date: 2015-11-11
ANHUI LANT ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a high-strength aluminum alloy profile and its manufacturing process to solve the complex manufacturing process and low product strength in the prior art, which are placed in the external environment for a long time and are relatively affected by external climate Large, easy to deform and many other defects mentioned above

Method used

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  • High-strength aluminum alloy profile and manufacturing technique thereof
  • High-strength aluminum alloy profile and manufacturing technique thereof

Examples

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Effect test

Embodiment 1

[0016] A high-strength aluminum alloy profile consisting of the following substances by mass percentage: 3% magnesium, 1% silicon, 2.4% iron, 0.8% copper, 1.3% manganese, 0.1% strontium, 0.5% zirconium, 0.5% titanium, 2% nichrome and the rest aluminum.

[0017] A manufacturing process of a high-strength aluminum alloy profile, comprising the following steps:

[0018] 1) Material preparation: calculate and weigh the charge according to the formula ratio;

[0019] 2) Melting: Put the charge in step (1) into the smelting furnace. When the temperature of the melt reaches 740°C, sprinkle a layer of covering agent on the surface of the melt. When the charge is completely melted, remove the scum on the surface. Adjust the temperature to 710°C, use an electromagnetic stirrer to stir the melt for 15 minutes to make the temperature in the molten pool uniform, then add 1.3% refining agent to the weight of the melt to refine the aluminum alloy melt for 10 minutes, and then remove the sur...

Embodiment 2

[0022] A high-strength aluminum alloy profile consisting of the following substances by mass percentage: 5% magnesium, 4% silicon, 3% iron, 1% copper, 1.8% manganese, 0.5% strontium, 0.8% zirconium, 0.8% titanium, 9% nichrome, and the rest is aluminum.

[0023] A manufacturing process of a high-strength aluminum alloy profile, comprising the following steps:

[0024] 1) Material preparation: calculate and weigh the charge according to the formula ratio;

[0025] 2) Melting: Add the charge in step (1) into the melting furnace. When the temperature of the melt reaches 760°C, sprinkle a layer of covering agent on the surface of the melt. When the charge is completely melted, remove the scum on the surface. Adjust the temperature to 720°C, use an electromagnetic stirrer to stir the melt for 25 minutes to make the temperature uniform throughout the molten pool, then add a refining agent equal to 2% of the melt weight to refine the aluminum alloy melt for 15 minutes, and then remov...

Embodiment 3

[0028] A high-strength aluminum alloy profile consisting of the following substances by mass percentage: 3% magnesium, 1.5% silicon, 3% iron, 1% copper, 1.5% manganese, 0.2% strontium, 0.5% zirconium, 0.5% titanium, 6% nichrome and the rest aluminum.

[0029] A manufacturing process of a high-strength aluminum alloy profile, comprising the following steps:

[0030] 1) Material preparation: calculate and weigh the charge according to the formula ratio;

[0031] 2) Melting: Add the charge in step (1) into the melting furnace. When the temperature of the melt reaches 750°C, sprinkle a layer of covering agent on the surface of the melt. When the charge is completely melted, remove the scum on the surface. Adjust the temperature to 715°C, use an electromagnetic stirrer to stir the melt for 20 minutes to make the temperature in the molten pool uniform, then add a refining agent equal to 2% of the melt weight to refine the aluminum alloy melt for 12 minutes, and then remove the surf...

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Abstract

The invention discloses a high-strength aluminum alloy profile and a manufacturing technique thereof and relates to the field of aluminum alloy materials. The high-strength aluminum alloy profile is composed of, by mass, 3%-5% of magnesium, 1%-4% of silicon, 2%-4% of iron, 0.5%-1% of copper, 1.3%-1.8% of manganese, 0.1%-0.5% of strontium, 0.5%-0.8% of zirconium, 0.5%-0.8% of titanium, 2%-9% of nichrome and the balance aluminum. The invention further discloses the manufacturing technique of the high-strength aluminum alloy profile. The manufacturing technique comprises the three main steps of material preparation, smelting, and homogenization treatment and extrusion forming. Compared with a traditional technique, the manufacturing technique is simple, technical requirements can be met easily, and the strength of the manufactured aluminum alloy profile is improved; meanwhile, the properties such as the corrosion resistance and the weather fastness are improved, and thus the service life of the aluminum alloy profile in a complicated environment is prolonged.

Description

technical field [0001] The invention relates to the field of aluminum alloy materials, in particular to a high-strength aluminum alloy profile and a manufacturing process thereof. Background technique [0002] Aluminum alloy profiles have the characteristics of high strength, light weight, strong stability, good corrosion resistance, good plasticity, small deformation, no pollution, non-toxicity, long service life, and good recyclability. They are the most widely used in the industry. Non-ferrous metal structural materials have been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding, construction, decoration and chemical industries. [0003] However, the existing aluminum alloy profiles on the market have complex manufacturing processes and low product strength. They are placed in the external environment for a long time, are greatly affected by the external climate, and are easily deformed. Therefore, the current aluminum alloy profiles ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C21/02C22C21/00C22C1/02
Inventor 雷忠平潘祖堂熊茂清方学军
Owner ANHUI LANT ALUMINUM
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