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Aluminum alloy mirror surface glazed ceramic anodic oxidation process

An anodizing and aluminum alloy technology, applied in the field of anodizing process, can solve the problem that there is no way to achieve high hardness, high glaze anti-scratch, acid and alkali resistance, vibration grinding, UV/salt spray resistance, and high-gloss glaze effect in functional testing. , many processes, etc., to achieve the effect of expanding the color range of surface decoration, improving color fastness and good wear resistance

Inactive Publication Date: 2016-01-20
HUIZHOU ZEHONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the more mature one is ordinary sulfuric acid decorative anodizing. The film pores formed by ordinary sulfuric acid decorative anodizing are honeycomb, and the hardness is far inferior to that of ceramic anodizing. The existing aluminum alloy anodizing process is as follows: Machining materials (Aluminum alloy materials include 1000 series, 5000 series, 6000 series, 7000 series) - cleaning - drying - sandblasting - hanging - degreasing - chemical polishing - neutralization - ordinary anodizing - dyeing - sealing - drying, the most common The dyeing of aluminum alloy anodic oxidation film is chemical dyeing and electrolytic coloring of sulfuric acid anodic oxidation film layer, and sealing treatment must be carried out after dyeing or coloring, and there are many processes
And the current industry is in the anodic oxidation of aluminum alloy shells in the 3C industry. The disadvantage is that there is no way to achieve a high-gloss glaze effect on the surface of the product, and there is no way to achieve high hardness, high glaze, anti-scratch, and acid resistance in product functional testing. Alkali, vibration grinding and UV / salt spray resistance and other functions

Method used

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  • Aluminum alloy mirror surface glazed ceramic anodic oxidation process
  • Aluminum alloy mirror surface glazed ceramic anodic oxidation process
  • Aluminum alloy mirror surface glazed ceramic anodic oxidation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Aluminum alloy mirror glazed ceramic anodic oxidation process, comprising the following steps:

[0022] 1) Machined aluminum alloy; 2) Three-stage polishing; 3) Finishing; 4) Hanging; 5) Cleaning; 6) Drying; 7) Highlight C angle; 8) Hanging; 9) Degreasing; 10) Blunt white; 11) Neutralization; 12) Ceramic anode; 13) Dyeing and sealing; 14) Drying.

[0023] For the machined aluminum alloy in step 1, the aluminum alloy materials that can be selected include 1000 series, 5000 series, 6000 series, 7000 series, etc., which are machined and cut into the required size and shape. The above-mentioned types of aluminum alloys can be obtained from purchased in the market;

[0024] The three-stage polishing process of step 2 is as follows, first rough polishing, then intermediate polishing, and finally fine polishing, using the physical three-stage fine polishing method to polish the machined product into a mirror surface to meet the requirements of high mirror surface Require.

...

Embodiment 2

[0037] Aluminum alloy mirror glazed ceramic anodic oxidation process, comprising the following steps:

[0038] 1) Machined aluminum alloy; 2) Three-stage polishing; 3) Finishing; 4) Hanging; 5) Cleaning; 6) Drying; 7) Highlight C angle; 8) Hanging; 9) Degreasing; 10) Blunt white; 11) Neutralization; 12) Ceramic anode; 13) Dyeing and sealing; 14) Drying.

[0039] Compared with Example 1, it has the following differences. Specifically, the blunt whitening in step 10 is carried out in an aqueous solution of phosphate, which contains dibutoxyethanol, and the phosphate can be sodium phosphate , sodium dihydrogen phosphate, sodium hydrogen phosphate, potassium phosphate, potassium dihydrogen phosphate, potassium hydrogen phosphate, etc.

[0040]Specifically, the mass concentration of the phosphate aqueous solution is 500 g / L, and the mass concentration of the dibutoxyethanol is 30 g / L. Through the formula of phosphate and dibutoxyethanol, the degreased aluminum alloy surface Blunt...

Embodiment 3

[0044] Aluminum alloy mirror glazed ceramic anodic oxidation process, comprising the following steps:

[0045] 1) Machined aluminum alloy; 2) Three-stage polishing; 3) Finishing; 4) Hanging; 5) Cleaning; 6) Drying; 7) Highlight C angle; 8) Hanging; 9) Degreasing; 10) Blunt white; 11) Neutralization; 12) Ceramic anode; 13) Dyeing and sealing; 14) Drying.

[0046] Compared with Example 1, it has the following differences. Specifically, the blunt whitening in step 10 is carried out in an aqueous solution of phosphoric acid.

[0047] Specifically, the mass concentration of the phosphate aqueous solution is 300 g / L, and the mass concentration of the dibutoxyethanol is 15 g / L. Through the formula of phosphoric acid and dibutoxyethanol, the surface of the degreased aluminum alloy is blunted. White, the method of covering the polishing material grain by the principle of chemical blunt whitening, fully provides sufficient advance guarantee for the subsequent ceramic anode steps.

[0...

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PUM

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Abstract

The invention relates to the technical field of anodic oxidation processes, in particular to an aluminum alloy mirror surface glazed ceramic anodic oxidation process. The aluminum alloy mirror surface glazed ceramic anodic oxidation process includes the following steps: (1) an aluminum alloy is machined; (2) three-section polishing is carried out; (3) light removing is carried out; (4) upward hanging is carried out; (5) washing is carried out; (6) drying is carried out; (7) score-free chamfering is carried out; (8) upward hanging is carried out; (9) degreasing is carried out; (10) white passivation is performed; (11) neutralization is carried out; (12) ceramic anode oxidization is carried out; (13) dyeing and hole sealing are carried out; and (14) drying is carried out. A physical three-section finishing polishing mode is adopted, a machined product is polished into a mirror surface, and the requirement for the high mirror surface is met; meanwhile, chamfering is performed with the assistance of a score-free chamfering tool, and the requirement of a client for the visual angle is met; the method that polishing material lines are covered on the basis of the principle of chemical white passivation is adopted, and guarantees are provided for the follow-up ceramic anode; and finally the ceramic anodic oxidation process is used for producing high-glaze products, the colors can be high-glaze ceramic white or other colors according to the requirement of the user, dyeing and sealing are unified, the color fastness of an oxidation film layer is improved, and the oxidation film layer has good wear resistance, good corrosion resistance and good weather-proofness the using process.

Description

technical field [0001] The invention relates to the technical field of anodic oxidation technology, in particular to the anodic oxidation technology of aluminum alloy mirror glazed ceramics. Background technique [0002] With the widespread use of aluminum alloy in the current 3C industry, as well as the advancement of science and technology and the improvement of people's living standards, the aesthetics have undergone significant changes, and its surface treatment technology has also developed rapidly. Among aluminum alloy surface treatment technologies, anodic oxidation technology is currently the most widely used and most successful. Anodizing is an electrolytic oxidation process in which the surface of aluminum alloys is usually converted into an oxide film. This oxide film has protective, decorative, and some other functional properties. Anodizing technology is a reliable metal surface treatment process. It guarantees consistent gloss and color of the material in th...

Claims

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Application Information

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IPC IPC(8): C25D11/16C25D11/18
Inventor 江登山陈俊王亮
Owner HUIZHOU ZEHONG TECH CO LTD
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