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Aluminum alloy section and manufacturing method thereof

A technology for aluminum alloy profiles and manufacturing methods, applied in chemical instruments and methods, metal layered products, electrophoretic plating, etc., to achieve the effects of improving corrosion resistance, UV resistance, and stable and easy production process

Active Publication Date: 2015-05-06
GUANGDONG JMA ALUMINUM PROFILE FACTORY GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims to solve the problems described above

Method used

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  • Aluminum alloy section and manufacturing method thereof
  • Aluminum alloy section and manufacturing method thereof
  • Aluminum alloy section and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] 1. Aluminum profile substrate: Take a section of 6063 alloy 100mm*25mm*2mm (wall thickness) square tube profile that meets the requirements of the national standard (GB 5237, 1-2008);

[0073] 2. Degreasing pretreatment: Use the acid degreasing agent of Pude Chemical to make a degreasing solution with a weight ratio of 5%, soak the profile in the solution for 5 minutes, and visually clean the oil on the surface of the profile and take it out;

[0074] 3. Washing;

[0075] 4. Alkali corrosion: Soak in a solution with a concentration of sodium hydroxide of 52g / L and a temperature of 64°C for 4 minutes;

[0076] 5. Washing;

[0077] 6. Neutralization: soak for 3 minutes in a solution with a sulfuric acid concentration of 185g / L;

[0078] 7. Washing;

[0079] 8. Anodizing:

[0080] 8.1. Put the profile into a solution with a sulfuric acid concentration of 165g / L, use the aluminum profile as the anode, and the pure aluminum plate as the cathode, and connect to direct cur...

Embodiment 2

[0098] 1. Aluminum profile base material: take a section of 6063 alloy 100mm*25mm*2mm (wall thickness) square tube profile that meets the requirements of the national standard (GB 5237,1-2008);

[0099] 2. Degreasing pretreatment: Use the acid degreasing agent of Pude Chemical to make a 4% degreasing solution by weight, soak the profile in the solution for 10 minutes, and visually clean the oil on the surface of the profile and take it out;

[0100] 3. Washing;

[0101] 4. Alkali corrosion: Soak in a solution with a concentration of sodium hydroxide of 40g / L and a temperature of 70°C for 3 minutes;

[0102] 5. Washing;

[0103] 6. Neutralization: Soak in a solution with a sulfuric acid concentration of 220g / L for 2 minutes;

[0104] 7. Washing;

[0105] 8. Anodizing:

[0106] 8.1. Put the profile into a solution with a sulfuric acid concentration of 180g / L, use the aluminum profile as the anode, and the pure aluminum plate as the cathode, and connect to direct current;

[0...

Embodiment 3

[0124] 1. Aluminum profile base material: take a section of 6063 alloy 100mm*25mm*2mm (wall thickness) square tube profile that meets the requirements of the national standard (GB 5237,1-2008);

[0125] 2. Degreasing pretreatment: use the acid degreasing agent of Pude Chemical to make a 10% degreasing solution by weight, soak the profile in the solution for 8 minutes, and clean the oil stain on the surface of the profile to remove it;

[0126] 3. Washing;

[0127] 4. Alkali corrosion: Soak in a solution with a concentration of sodium hydroxide of 60g / L and a temperature of 60°C for 5 minutes;

[0128] 5. Washing;

[0129] 6. Neutralization: soak for 4 minutes in a solution with a sulfuric acid concentration of 160g / L;

[0130] 7. Washing;

[0131] 8. Anodizing:

[0132] 8.1. Put the profile into a solution with a sulfuric acid concentration of 150g / L, use the aluminum profile as the anode, and the pure aluminum plate as the cathode, and connect to direct current;

[0133]...

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Abstract

The invention provides an aluminum alloy section and a manufacturing method thereof. The manufacturing method comprises the following steps: (1) pre-treating an aluminum alloy section base material; (2) anodizing the pre-treated aluminum alloy section base material so as to form an oxidation film on the surface of the aluminum alloy section; (3) carrying out anodic electrophoresis treatment on the aluminum alloy section so as to form an electrophoresis film on the surface of the aluminum alloy section; (4) curing and roasting the aluminum alloy section; and (5) spraying a fluorocarbon coating to the surface of the aluminum alloy section so as to form a fluorocarbon coating. The manufacturing method is stable and feasible in production process. A special composite film protective coating is arranged on the surface of an aluminum alloy section product produced by the manufacturing method, has excellent performances such as corrosion resistance and weather resistance, and can effectively resist the corrosion destruction effect on the aluminum alloy section by ultraviolet light, high humidity and corrosive saline ions. Therefore, the aluminum alloy section is particularly suitable for buildings in island and seaside regions under marine climates.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an aluminum alloy profile and a manufacturing method thereof. Background technique [0002] Aluminum alloy profiles are commonly used as a building material. Before the aluminum alloy profile is used, in order to improve the anti-corrosion performance of the profile and have a certain color decoration effect, the surface of the profile must be treated. Aluminum alloy profile products are divided into oxidation coloring, spraying organic coating and other products according to the surface treatment method. Oxidation coloring products are based on the principles of anodic oxidation and electrolytic coloring to form a dense oxide film on the surface of aluminum alloy profiles and electrolytically reduce a certain amount of non-ferrous metal ions in the oxide film to present a certain color. Spraying organic coating products is to coat a layer of organic coating on the p...

Claims

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Application Information

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IPC IPC(8): B32B33/00C25D11/04C25D13/06B05D7/14B05D3/02
CPCB05D3/02B05D7/14B32B33/00B32B38/0008C25D11/04C25D13/06B32B2038/0076B32B2307/752B32B2307/712B32B2307/71B32B15/04B05D5/083B05D1/02C25D11/08C25D11/24C25D13/12C25D13/20B05D2202/25B05D2350/60
Inventor 熊建卿罗士烓陈志刚戴悦星朱胜林
Owner GUANGDONG JMA ALUMINUM PROFILE FACTORY GRP
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