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Aluminum alloy mirror surface anodic oxidation method

An anodizing, aluminum alloy technology, applied in the direction of surface reaction electrolytic coating, electrolytic coating, coating, etc., can solve problems such as poor processing effect, achieve good wear resistance and anti-oxidation effect, improve performance, improve quality effect

Inactive Publication Date: 2020-04-07
苏州市科渠金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Anodizing is a common surface treatment method for aluminum alloy processing, but the current aluminum alloy anodizing process often has problems such as poor processing effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for anodizing an aluminum alloy mirror surface, comprising the steps of:

[0023] S1. Cleaning: put the aluminum alloy in an ultrasonic cleaning machine, and use a degreasing agent solution to degrease and clean the aluminum alloy;

[0024] S2. Pickling: immerse the aluminum alloy in an acidic solution to remove the oxide film layer on its surface. After a period of time, it is neutralized in an alkaline solution, and finally rinsed with deionized water to remove the residual lye;

[0025] S3, anodic oxidation: immerse the aluminum alloy in the electrolyte, and conduct anodic oxidation treatment with electricity;

[0026] S4. Sealing: take out the aluminum alloy, wash it with deionized water, and then perform high-temperature sealing and pH sealing in sequence;

[0027] S5. Drying: cleaning and drying the sealed aluminum alloy to obtain a finished product.

[0028] The degreasing agent in the step S1 includes the following components in parts by weight: 1 par...

Embodiment 2

[0036] A method for anodizing an aluminum alloy mirror surface, comprising the steps of:

[0037] S1. Cleaning: put the aluminum alloy in an ultrasonic cleaning machine, and use a degreasing agent solution to degrease and clean the aluminum alloy;

[0038] S2. Pickling: immerse the aluminum alloy in an acidic solution to remove the oxide film layer on its surface. After a period of time, it is neutralized in an alkaline solution, and finally rinsed with deionized water to remove the residual lye;

[0039] S3, anodic oxidation: immerse the aluminum alloy in the electrolyte, and conduct anodic oxidation treatment with electricity;

[0040] S4. Sealing: take out the aluminum alloy, wash it with deionized water, and then perform high-temperature sealing and pH sealing in sequence;

[0041] S5. Drying: cleaning and drying the sealed aluminum alloy to obtain a finished product.

[0042] The degreasing agent in the step S1 includes the following components in parts by weight: 3 par...

Embodiment 3

[0050] A method for anodizing an aluminum alloy mirror surface, comprising the steps of:

[0051] S1. Cleaning: put the aluminum alloy in an ultrasonic cleaning machine, and use a degreasing agent solution to degrease and clean the aluminum alloy;

[0052] S2. Pickling: immerse the aluminum alloy in an acidic solution to remove the oxide film layer on its surface. After a period of time, it is neutralized in an alkaline solution, and finally rinsed with deionized water to remove the residual lye;

[0053] S3, anodic oxidation: immerse the aluminum alloy in the electrolyte, and conduct anodic oxidation treatment with electricity;

[0054] S4. Sealing: take out the aluminum alloy, wash it with deionized water, and then perform high-temperature sealing and pH sealing in sequence;

[0055] S5. Drying: cleaning and drying the sealed aluminum alloy to obtain a finished product.

[0056] The degreasing agent in the step S1 includes the following components in parts by weight: 5 parts...

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PUM

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Abstract

The invention discloses an aluminum alloy mirror surface anodic oxidation method, which comprises the following steps: S1, cleaning: placing the aluminum alloy in an ultrasonic cleaning machine, and degreasing and cleaning the aluminum alloy by a degreasing agent solution; S2, acid pickling: immersing the aluminum alloy in an acid solution to remove an oxide film layer on the surface of the aluminum alloy, after a period of time, performing neutralization treatment on the the aluminum alloy in an alkaline solution, and finally rinsing the the aluminum alloy with deionized water to remove the residual alkaline solution; S3, anodic oxidation: immersing the aluminum alloy in an electrolyte, and turning on a power supply to carry out an anodic oxidation treatment. According to the invention, through a reasonable surface treatment on the aluminum alloy before the anodic oxidation and a hole sealing treatment by a specific hole sealing agent after the anodic oxidation, the quality of an oxide film formed on the surface of the aluminum alloy is greatly improved, and the formed oxide film has good wear-resistant and anti-oxidation effects, so that the service performance of the aluminum alloy is effectively improved.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy surface treatment, in particular to an aluminum alloy mirror surface anodic oxidation method. Background technique [0002] 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 and chemical industry. With the rapid development of industrial economy, the demand for welded structural parts of aluminum alloy is increasing day by day, so that the research on weldability of aluminum alloy is also in-depth. Aluminum alloy is the most widely used alloy. Anodizing is a common surface treatment method for aluminum alloy processing, but the current aluminum anodizing process often has problems such as poor processing effect. Contents of the invention [0003] The object of the present invention is to provide a method for anodizing an aluminum alloy mirror to solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/10C25D11/16C25D11/24
CPCC25D11/10C25D11/16C25D11/246
Inventor 谢奕民彭爱兵金政王亮侯隆平
Owner 苏州市科渠金属制品有限公司
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