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Processing method of 6063 aluminum alloy for appearance parts of electronic products

A technology of electronic products and processing methods, applied in the field of non-ferrous metals, can solve the problems of anodizing "material grain, affecting the use of materials, etc., achieve good anodizing effect, broad market application prospects, and improve the effect of anodizing effect."

Active Publication Date: 2019-04-16
苏州中色研达金属技术有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The reason is that 6063 aluminum alloy mainly has anodic oxidation "material grain" defects under the condition of poor process control, which greatly affects the use of the material as an appearance part of electronic products

Method used

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  • Processing method of 6063 aluminum alloy for appearance parts of electronic products

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The 6063 ingot is kept at 330°C for 6 hours, then at 460°C for 5 hours, and then at 560°C for 6 hours; the homogeneous ingot is hot-rolled, the rolling temperature is 500°C, and the final rolling temperature is 260°C; Cold rolling, solution treatment, and aging treatment are carried out; in the material anodic oxidation sandblasting process, No. 203 zircon sand is used.

Embodiment 2

[0024] The 6063 ingot is kept at 380°C for 4 hours, then at 480°C for 3 hours, and then at 570°C for 4 hours; the homogeneous ingot is hot-rolled, the rolling temperature is 520°C, and the final rolling temperature is 300°C; Then cold rolling, solution treatment, and aging treatment are carried out; in the anodic oxidation sandblasting process of the material, No. 205 zircon sand is used.

Embodiment 3

[0026] The 6063 ingot is kept at 320°C for 8 hours, then at 420°C for 6 hours, and then at 550°C for 8 hours; the homogeneous ingot is hot-rolled, the rolling temperature is 460°C, and the final rolling temperature is 240°C; Then cold rolling, solution treatment, and aging treatment are carried out; in the anodic oxidation sandblasting process of the material, No. 170 zircon sand is used.

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Abstract

The invention relates to a processing method for 6063 aluminum alloy for an exterior part of an electronic product. The method comprises the steps: firstly, homogenizing a 6063 cast ingot; arranging a heating step in the homogenization process; then, carrying out hot rolling on the homogeneous ingot, wherein the initial rolling temperature is 460-520 DEG C, and the final rolling temperature is lower than or equal to 300 DEG C; and finally, carrying out cold rolling, solution treatment and aging treatment. By controlling a process, the surface fraction of a thick and large intermetallic compound can be smaller than 0.4%, while the surface fraction of a dispersive intermetallic compound is larger than 1.2%, and the distance between dispersed phases is smaller than 1.5 mu m, so that a material is uniform in structure, furthermore, the defect of anodized bank marks is avoided, and the anodizing effect of the material is improved.

Description

technical field [0001] The invention relates to a processing method of aluminum alloy, in particular to a processing method of 6063 aluminum alloy for appearance parts of electronic products, in particular to a method for improving the anodic oxidation effect of 6063 aluminum alloy, and belongs to the technical field of nonferrous metals. Background technique [0002] 6063 aluminum alloy is widely used in the manufacture of electronic product appearance parts that require high anodizing effect because of its better anodizing effect (such as white and bright color). [0003] The defect of "material grain" in anodic oxidation is the main obstacle affecting the application of 6xxx series aluminum alloy rolled products in the appearance of 3C products. Generally, the appearance parts of electronic products are subjected to sand blasting during the pre-treatment process of anodizing. The purpose of sandblasting is to cover the structural defects of the material (such as "materia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F1/05C25D11/16
CPCC22F1/05C25D11/16
Inventor 钟皓司开田陈纯刘跃花吴至贵杨达彬张道曾红生
Owner 苏州中色研达金属技术有限公司
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