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Post-machining method of aluminum alloy door and window product

A technology for aluminum alloy doors and windows and treatment methods, which is applied in the coating process of metal materials, etc., which can solve problems such as easy corrosion, easy icing, and influence on the use and maintenance of aluminum alloy products, so as to achieve stable surface performance and improve self-cleaning , Excellent self-cleaning effect

Inactive Publication Date: 2020-09-01
安徽省汉甲机电设备科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, aluminum alloy products are prone to corrosion in high-humidity environments, and are prone to icing on the surface in super-cooled environments, which have a serious impact on the use and maintenance of aluminum alloy products.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A post-processing method for aluminum alloy door and window products, comprising the following process steps:

[0017] Step 1: Polish the surface of aluminum alloy door and window products with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence until there are no obvious scratches on the surface, and then use methanol, acetone, and deionized water as cleaning solvents for ultrasonic cleaning. The removal rate should reach 98%. After removing the grease, rinse it twice with deionized water and dry it in an oven;

[0018] Step 2: Add the dried aluminum alloy products into hot water at 80°C while taking advantage of the residual heat. 0.12% of 2,6-di-tert-butyl-4-cresol is dissolved in the hot water. After immersion, Continue to heat until boiling, keep boiling for 15 minutes, take out the aluminum alloy parts, place them in a composite stabilizer for 60 minutes, and soak at a temperature of 33°C. The composite stabilizer used consists of calcium stearate, hard ...

Embodiment 2

[0024] A post-processing method for aluminum alloy door and window products, comprising the following process steps:

[0025] Step 1: Polish the surface of aluminum alloy door and window products with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence until there are no obvious scratches on the surface, and then use methanol, acetone, and deionized water as cleaning solvents for ultrasonic cleaning. The removal rate should reach 99%. After removing the grease, wash it twice with deionized water and dry it in an oven;

[0026] Step 2: Add the dried aluminum alloy products into hot water at 85°C while taking advantage of the residual heat. 0.13% of 2,6-di-tert-butyl-4-methylphenol is dissolved in the hot water. After immersion, Continue to heat until boiling, keep boiling for 18 minutes, take out the aluminum alloy parts, place them in the composite stabilizer for 65 minutes, and soak at a temperature of 35°C. The composite stabilizer used consists of calcium stearate...

Embodiment 3

[0032] A post-processing method for aluminum alloy door and window products, comprising the following process steps:

[0033] Step 1: Polish the surface of aluminum alloy door and window products with 600, 800, and 1200 mesh silicon carbide sandpaper in sequence until there are no obvious scratches on the surface, and then use methanol, acetone, and deionized water as cleaning solvents for ultrasonic cleaning. When the removal rate reaches 100%, rinse with deionized water 2-3 times after removing grease, and dry in an oven;

[0034] Step 2: Add the dried aluminum alloy products into hot water at 90°C while taking advantage of the residual heat. 0.15% of 2,6-di-tert-butyl-4-cresol is dissolved in the hot water. After immersion, Continue to heat until boiling, keep boiling for 20 minutes, take out the aluminum alloy parts, and place them in a composite stabilizer for 70 minutes of immersion at a temperature of 36°C. The composite stabilizer used consists of calcium stearate, har...

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Abstract

The invention relates to the technical field of aluminum alloy product machining, and discloses a post-machining treatment method of an aluminum alloy door and window product. The post-machining treatment method comprises the steps of oil removal treatment, composite stabilizer soaking treatment, enhancer curing treatment and boiling water heating treatment, so that the microstructure of the surface of an aluminum alloy is roughened, hydroxyl is grafted, after the aluminum alloy door and window product is soaked in a composite stabilizer, the surface of the aluminum alloy is successfully grafted with a fatty acid long chain with hydrophobic performance and a super-hydrophobic surface with contact angle with water drops exceeding 150 degrees, due to the strong hydrophobic characteristic ofthe super-hydrophobic surface, water molecules are difficult to permeate to the inner part of the super-hydrophobic surface, an enhancer is further used for curing treatment, the surface performance is stabilized, and film protection is formed, so that the aluminum alloy door and window product has excellent self-cleaning performance, corrosion resistance and the like; and the super-hydrophobic layer is constructed on the surface of the aluminum alloy, so that the performances of self-cleaning, corrosion resistance, icing prevention and the like of an aluminum and the aluminum alloy are effectively improved.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy product processing, and in particular relates to a post-processing method for aluminum alloy door and window products. Background technique [0002] Aluminum alloy materials are lighter and more resistant to corrosion than ordinary carbon steel, but their corrosion resistance is not as good as that of pure aluminum. A protective oxide layer forms on the surface of aluminum alloys in a clean, dry environment. Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding, aluminum alloy and chemical industry. Because of their good physical and chemical properties, aluminum and aluminum alloys have been widely used in marine industry, power system and aviation and other fields. However, aluminum alloy products are prone to corrosion in high-humidity environments, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/73C23C22/78C23C22/68
CPCC23C22/68C23C22/73C23C22/78C23C2222/20
Inventor 张海涛
Owner 安徽省汉甲机电设备科技有限公司
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