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Aluminum alloy produced with metal casting technology and ingot casting method

A technology for aluminum alloy ingot and aluminum alloy, applied in the field of metal melting and casting process, can solve the problems of increasing tensile strength and hardness, aluminum liquid splashing, agglomeration, etc., to increase tensile strength and hardness, improve gloss and ductility , the effect of reducing the amount of splash

Inactive Publication Date: 2019-01-04
广东华劲金属型材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing aluminum alloy ingot casting method has the following defects: it is not conducive to increasing the tensile strength and hardness, it is not conducive to pouring into ingots, Na is not conducive to entering the metal matrix, and the phenomenon of "sodium brittleness" is prone to occur; it is not conducive to reducing the aluminum liquid blanking If the speed is high, a large amount of molten aluminum will splash, and the molten aluminum will not be fully contacted during blanking, which will cause agglomeration; in view of this defect, it is very useful for us to design an aluminum alloy and ingot casting method produced by a metal melting and casting process. necessary

Method used

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  • Aluminum alloy produced with metal casting technology and ingot casting method
  • Aluminum alloy produced with metal casting technology and ingot casting method
  • Aluminum alloy produced with metal casting technology and ingot casting method

Examples

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Embodiment 1

[0034] An aluminum alloy produced by a metal melting and casting process, the components include Si, Fe, Ni, V, Na, Mg, Bi, Al and impurities, and the weight ratio of the above components is Si: 4%, Fe: 4% , Ni: 1%, V: 3%, Na: 2%, Mg: 2%, and Bi: 1%, and the balance consists of Al and 0.5% of impurities.

[0035] A method for casting an aluminum alloy ingot produced by a metal melting and casting process, comprising the steps of:

[0036] Step S1: Put all Si, Fe, Ni, V, Mg, Al and impurities into the furnace. After the smelting is completed, refine again. After refining, remove the aluminum ash on the surface of the molten aluminum in the furnace, clean up the site, and remove slag Finally, close the furnace door, prohibit any other operations on the molten aluminum in the furnace, and let it stand for 15 minutes to prevent secondary oxidation of the molten aluminum in the furnace;

[0037]Si and Fe are good for strengthening aluminum alloy; Ni has the effect of increasing te...

Embodiment 2

[0054] An aluminum alloy produced by a metal melting and casting process, the components include Si, Fe, Ni, V, Na, Mg, Bi, Al and impurities, and the weight ratio of the above components is Si: 8%, Fe: 5% , Ni: 2%, V: 4%, Na: 4%, Mg: 4.5%, and Bi: 2%, and the balance consists of Al and 0.7% of impurities.

[0055] A method for casting an aluminum alloy ingot produced by a metal melting and casting process, comprising the steps of:

[0056] Step S1: Put all Si, Fe, Ni, V, Mg, Al and impurities into the furnace. After the smelting is completed, refine again. After refining, remove the aluminum ash on the surface of the molten aluminum in the furnace, clean up the site, and remove slag Finally, close the furnace door, prohibit any other operations on the molten aluminum in the furnace, and let it stand for 15 minutes to prevent secondary oxidation of the molten aluminum in the furnace;

[0057] Si and Fe are good for strengthening aluminum alloy; Ni has the effect of increasing...

Embodiment 3

[0074] An aluminum alloy produced by a metal melting and casting process, the components include Si, Fe, Ni, V, Na, Mg, Bi, Al and impurities, and the weight ratio of the above components is Si: 12%, Fe: 6% , Ni: 3%, V: 5%, Na: 6%, Mg: 6% and Bi: 3%, and the balance consists of Al and 1% impurities.

[0075] A method for casting an aluminum alloy ingot produced by a metal melting and casting process, comprising the steps of:

[0076] Step S1: Put all Si, Fe, Ni, V, Mg, Al and impurities into the furnace. After the smelting is completed, refining is carried out. After refining, the aluminum ash on the surface of the molten aluminum in the furnace is cleaned, the site is cleaned, and the slag Finally, close the furnace door, prohibit any other operations on the molten aluminum in the furnace, and let it stand for 15 minutes to prevent secondary oxidation of the molten aluminum in the furnace;

[0077] Si and Fe are good for strengthening aluminum alloy; Ni has the effect of inc...

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Abstract

The invention discloses an aluminum alloy produced with a metal casting technology and an ingot casting method. The aluminum alloy is prepared from components in percentage by weight as follows: 4%-12% of Si, 4%-6% of Fe, 1%-3% of Ni, 3%-5% of V, 2%-6% of V, 2%-6% of Na, 2%-6% of Mg, 1%-3% of Bi and the balance of Al and 0.5%-1% of impurities. The ingot casting method comprises the steps as follows: S1, Si, Fe, Ni, V, Mg, Al and impurities are all put into a furnace, refining is performed after smelting, aluminum ash on the surface of molten aluminum in the furnace is thoroughly stripped afterrefining, the site is cleared, a furnace door is closed after slagging off, any other operation on the molten aluminum in the furnace is prevented, and the molten aluminum is left to stand for 15 min. The effects of increasing tensile strength and hardness are realized, the discharging speed of the molten aluminum can be decreased, the splash amount can be reduced, and meanwhile, the molten aluminum can be fully contacted during discharging and cannot cake.

Description

technical field [0001] The invention relates to the technical field of metal melting and casting technology, in particular to an aluminum alloy and an ingot casting method produced by the metal melting and casting technology. Background technique [0002] Metal melting and casting is the process of smelting metal into a liquid that meets certain requirements and pouring it into a mold, cooling and solidifying, and cleaning to obtain a casting with a predetermined shape, size and performance. The rough blank after melting and casting is almost formed, so that the purpose of free machining or a small amount of processing reduces the cost and reduces the time to a certain extent. Melting and casting is one of the basic processes of modern machinery manufacturing industry. Ingot casting is a very important link in the metal melting and casting process. [0003] However, the existing aluminum alloy ingot casting method has the following defects: it is not conducive to increasin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/02C22C1/06B22D21/04
CPCB22D21/04C22C1/026C22C1/06C22C21/02
Inventor 周建明周建炎
Owner 广东华劲金属型材有限公司
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