A kind of manufacturing method of baking varnish aluminum alloy plate

An aluminum alloy plate and a manufacturing method technology, applied in the field of aluminum alloy manufacturing, can solve the problem that the strength and corrosion resistance of the aluminum alloy plate are difficult to meet at the same time, achieve excellent thermal exposure stability and corrosion resistance, improve strength, ensure stability and The effect of corrosion resistance

Active Publication Date: 2016-08-31
佛山市万泰隆建材实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the strength and corrosion resistance of aluminum alloy sheets are difficult to meet at the same time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Provided is a method for manufacturing a baking-painted aluminum alloy plate. The mass percent content of each component of the aluminum alloy is: Zn 6%, Mg 5%, Cr 1%, Zr 0.8%, Ti 0.7%, Al 0.3%, Ni 0.06%, Fe 0.04%, Si 0.04%, Sc0.05%, Y 0.02%, the balance is aluminum and unavoidable non-metallic inclusions,

[0030] (1) According to the elemental composition, put the component raw materials into the melting furnace for smelting at 770°C. After all the furnace materials are melted, stir for 10 minutes, and then add refining agent for refining. The refining temperature is 760°C, and the refining time is 40 minutes. Set for 60min, pass into Cl 2 , N 2 The mixed gas further treats the impurities in the alloy, and the gas flow rate is 3m 3 / min, stand still for 60min, carry out slag removal; obtain aluminum alloy molten liquid;

[0031] (2) Casting the molten aluminum alloy, controlling the temperature to 720° C., to obtain an aluminum alloy ingot;

[0032] (3) Heat the a...

Embodiment 2

[0040] Provided is a method for manufacturing a baking varnish aluminum alloy plate. The mass percent content of each component of the aluminum alloy is: Zn 8%, Mg 6%, Cr 2%, Zr 0.9%, Ti 0.8%, Al 0.4%, Ni 0.07%, Fe 0.05%, Si 0.05%, Sc0.06%, Y 0.03%, the balance is aluminum and unavoidable non-metallic inclusions,

[0041] (1) According to the elemental composition, put the component raw materials into the melting furnace for smelting at 775°C. After all the furnace materials are melted, stir for 15 minutes, and then add refining agent for refining. The refining temperature is 765°C, and the refining time is 50 minutes. Set for 60min, pass into Cl 2 , N 2 The mixed gas further treats the impurities in the alloy, and the gas flow rate is 4m 3 / min, stand still for 60min, carry out slag removal; obtain aluminum alloy molten liquid;

[0042] (2) Casting the molten aluminum alloy, controlling the temperature to 730° C., to obtain an aluminum alloy ingot;

[0043] (3) Heat the a...

Embodiment 3

[0051] Provided is a method for manufacturing a baking-painted aluminum alloy plate. The mass percent content of each component of the aluminum alloy is: Zn 7%, Mg 5.5%, Cr 1.5%, Zr 0.85%, Ti 0.75%, Al 0.35%, Ni 0.065% , Fe 0.045%, Si0.045%, Sc 0.055%, Y 0.025%, the balance is aluminum and unavoidable non-metallic inclusions,

[0052] (1) According to the elemental composition, put the component raw materials into the melting furnace for smelting at 773°C. After all the furnace materials are melted, stir for 13 minutes, and then add refining agent for refining. The refining temperature is 763°C, and the refining time is 45 minutes. Set for 60min, pass into Cl 2 , N 2 The mixed gas further treats the impurities in the alloy, and the gas flow rate is 3.5m 3 / min, stand still for 60min, carry out slag removal; obtain aluminum alloy molten liquid;

[0053] (2) Casting the molten aluminum alloy, controlling the temperature to 725° C., to obtain an aluminum alloy ingot;

[0054]...

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PUM

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Abstract

The invention provides a manufacturing method of a baking finish aluminum alloy plate. The content of aluminum alloy contains the following ingredients in percentage by mass: 6-8% of Zn, 5-6% of Mg, 1-2% of Cr, 0.8-0.9% of Zr, 0.7-0.8% of Ti, 0.3-0.4% of Al, 0.06-0.07% of Ni, 0.04-0.05% of Fe, 0.04-0.05% of Si, 0.05-0.06% of Sc, 0.02-0.03% of Y and the balance of aluminum and inevitable nonmetallic inclusion. By optimizing the component proportion of the alloy, the segregation of alloy elements in a grain boundary can be effectively controlled, the processing performance of the aluminum alloy and the strength of the baked aluminum alloy are improved, and the performance stability and the corrosion resistance of the aluminum alloy in the use process are ensured.

Description

technical field [0001] The invention relates to a method for manufacturing a baking varnish aluminum alloy plate, which belongs to the field of aluminum alloy manufacturing. Background technique [0002] Aluminum and aluminum alloys are more and more widely used in various industries due to their low density, high strength and rigidity, good thermal conductivity, excellent castability and good processing performance, and good damping performance. According to statistics, in recent years, the annual growth rate of aluminum and aluminum alloy consumption in the world is as high as 25%, showing an excellent application prospect. At present, it is difficult to satisfy the strength and corrosion resistance of aluminum alloy sheets at the same time. Contents of the invention [0003] The purpose of the present invention is to provide a kind of manufacturing method that has higher strength and corrosion resistance paint aluminum alloy plate [0004] To achieve the above object,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00C22C21/10C22F1/053
CPCB21C37/02C22C21/10C22F1/053
Inventor 兰宝琴
Owner 佛山市万泰隆建材实业有限公司
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