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High-strength aluminum alloy for large axial flow fan blade and production process of profile of high-strength aluminum alloy

A technology of axial flow fan and production process, which is applied in the field of production process of high-strength aluminum alloy and its profile, can solve the problems of not very wide range of aluminum alloy materials and low density, and achieve improved quenching sensitivity, reduced casting cracks, and improved Effect of room temperature strength and high temperature strength

Pending Publication Date: 2022-07-26
山东伟盛铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aluminum alloy materials have attracted more and more attention due to their advantages of low density, high strength, good corrosion resistance, and easy surface processing and coating. However, aluminum alloy materials used in traditional axial flow fans are not very widely used.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A high-strength aluminum alloy for large-scale axial flow fan blades, according to mass percentage, the element composition of the aluminum alloy is Si: 0.35-0.5%; Fe: 0.10-0.30%; Mg: 0.65-0.80%; Cu: ≤ 0.10%; Cr: ≤ 0.10%; Mn: ≤ 0.10%; Zn: ≤ 0.1%; Ti: ≤ 0.1%; the balance is Al and inevitable impurities.

[0037] Relying on the high-strength aluminum alloy used for the large-scale axial-flow fan blades, the large-scale axial-flow fan blade profiles are made. The production process of the profiles is as follows:

[0038] A. Calculate the quality of each raw material according to the element formula, and carry out the ingredients. After batching, add electrolytic aluminum into the furnace, and after melting, control the temperature of the molten aluminum to be 755-765°C, and then add Si: 0.35%; Cu: 0.05%; Cr: 0.05%; Mn: 0.05%; Ti: 0.04%, Stir and melt into aluminum alloy liquid;

[0039] B. Magnetically stir the aluminum alloy liquid for 13 minutes, and then stir it again...

Embodiment 2

[0051] A high-strength aluminum alloy for the manufacture of large axial-flow fan blades, according to the mass percentage, the element composition of the aluminum alloy product is Si: 0.35-0.5%; Fe: 0.10-0.30%; Mg: 0.65-0.80%; Cu : ≤ 0.10%; Cr: ≤ 0.10%; Mn: ≤ 0.10%; Zn: ≤ 0.1%; Ti: ≤ 0.1%; the balance is Al and inevitable impurities.

[0052] Relying on the high-strength aluminum alloy used for the large-scale axial-flow fan blades, the large-scale axial-flow fan blade profiles are made. The production process of the profiles is as follows:

[0053] A. Calculate the quality of each raw material according to the element formula, add electrolytic aluminum into the furnace, control the temperature of the molten aluminum to be 755-765 ℃, and then add Si: 0.5%; Cu: 0.05%; Cr: 0.05%; Mn: 0.05% ;Ti: 0.04%, stir and melt into aluminum alloy liquid;

[0054] B. Magnetically stir the aluminum alloy liquid for 13 minutes, and then stir it again after standing for 8 minutes. Circulate s...

Embodiment 3

[0066] A high-strength aluminum alloy for the manufacture of large axial-flow fan blades, according to the mass percentage, the element composition of the aluminum alloy product is Si: 0.35-0.5%; Fe: 0.10-0.30%; Mg: 0.65-0.80%; Cu : ≤ 0.10%; Cr: ≤ 0.10%; Mn: ≤ 0.10%; Zn: ≤ 0.1%; Ti: ≤ 0.1%; the balance is Al and inevitable impurities.

[0067] Relying on the high-strength aluminum alloy used for the large-scale axial-flow fan blades, the large-scale axial-flow fan blade profiles are made. The production process of the profiles is as follows:

[0068] A. Calculate the quality of each raw material according to the element formula, add electrolytic aluminum to the furnace, control the temperature of the molten aluminum to be 755-765 ℃, and then add Si: 0.47%; Cu: 0.05%; Cr: 0.05%; Mn: 0.05% ;Ti: 0.04%, stir and melt into aluminum alloy liquid;

[0069] B. Magnetically stir the aluminum alloy liquid for 13 minutes, and then stir it again after standing for 8 minutes. Circulate st...

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Abstract

The invention relates to a high-strength aluminum alloy for a large axial flow fan blade and a production process of a profile of the high-strength aluminum alloy, and the aluminum alloy profile comprises the following elements in percentage by mass: 0.35-0.5% of S ; 0.10 to 0.30% of Fe; 0.65% to 0.80% of Mg; cu: less than or equal to 0.10%; less than or equal to 0.10% of Cr; mn: less than or equal to 0.10%; zn: less than or equal to 0.1%; t : < = 0.1%; and the balance of Al and inevitable impurities. The aluminum alloy disclosed by the invention has relatively high strength and toughness and strong corrosion resistance, and can meet the requirements of the field of large axial flow fans on the high-strength and high-toughness aluminum alloy. The aluminum alloy is adopted for manufacturing the large axial flow fan blade, the blade weight can be effectively reduced, and the energy utilization rate is increased.

Description

technical field [0001] The invention belongs to the technical field of industrial aluminum profiles, and in particular relates to a production process of high-strength aluminum alloys used for large-scale axial flow fan blades and profiles thereof. Background technique [0002] Aluminum alloy is a lightweight material with excellent performance, which has broad application prospects in the fields of new energy vehicles, rail transit and various large-scale equipment. Aluminum alloy materials have attracted more and more attention due to their advantages such as low density, high strength, good corrosion resistance, and easy surface processing and coating. However, aluminum alloy materials used in traditional axial flow fans are not widely used. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a high-strength aluminum alloy for large-scale axial flow fan blades and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C21/08C22C1/02C22C1/03C22C1/06C22F1/043C22F1/047
CPCC22C21/02C22C21/08C22C1/026C22C1/03C22C1/06C22F1/043C22F1/047C22F1/002
Inventor 曾伟翟瑞福高文军相义良曾庆海李翔宇
Owner 山东伟盛铝业有限公司
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