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Anodizable die-cast aluminum alloy

A technology of casting aluminum alloy and anodizing, applied in the field of aluminum alloy, can solve the problem that die-casting aluminum alloy cannot be anodized, and achieve the effect of good anodizing effect, good heat resistance and high toughness.

Active Publication Date: 2019-04-09
GUANGZHOU ZHIYUAN ALLOY PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the disadvantage that the existing die-casting aluminum alloys cannot be anodized, and to provide a die-casting aluminum alloy that can be anodized

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] In the anodizable die-casting aluminum alloy provided by the present invention, the content of silicon is less than or equal to 0.6%, the content of iron is 0.4%-1.2%, the content of copper is less than or equal to 1%, the content of manganese is 0.85%-1.65%, and the content of magnesium is 0.85%-1.65%. The content of zinc is less than or equal to 0.6%, the content of zinc is less than or equal to 0.6%, the content of lead is less than or equal to 0.1%, the content of tin is less than or equal to 0.2%, and the content of cadmium is less than or equal to 0.01%. is a ratio calculated by weight.

[0014] In the first preferred version, the content of silicon is 0.2%-0.4%, the content of iron is 0.8%-1.1%, the content of copper may be 0.6%-0.9%, the content of manganese is 1.2%-1.4%, magnesium The content of zinc is 0.3%-0.5%, the content of zinc is 0.3%-0.5%, the content of lead is 0.04%-0.07%, the content of tin is 0.08%-0.15%, and the content of cadmium is 0.005-0.008%. ...

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PUM

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Abstract

The invention discloses a die-cast aluminum alloy capable of being anodized. According to ingredients of the die-cast aluminum alloy, the content of silicon is smaller than or equal to 0.6%, the content of iron ranges from 0.4% to 1.2%, the content of copper is smaller than or equal to 1%, the content of manganese ranges from 0.85% to 1.65%, the content of magnesium is smaller than or equal to 0.6%, the content of zinc is smaller than or equal to 0.6%, the content of lead is smaller than or equal to 0.1%, the content of tin is smaller than or equal to 0.2%, and the content of cadmium is smaller than or equal to 0.01%. The contents of all the ingredients are proportions obtained through calculation according to the weight. The die-cast aluminum alloy capable of being anodized is provided to achieve the technical aim of overcoming the defect that an existing die-cast aluminum alloy cannot be anodized.

Description

technical field [0001] The invention relates to the field of aluminum alloys. Specifically, it is an anodic oxidizable die-casting aluminum alloy. Background technique [0002] Aluminum alloy is a metal material widely used in various fields. In order to make aluminum alloy more corrosion-resistant and to color aluminum alloy parts, aluminum alloy is usually placed in an electrolyte for anodic oxidation, thereby forming an oxide film on its surface , to protect the aluminum alloy and improve the hardness of the aluminum alloy. However, commonly used die-casting alloys such as aluminum-silicon alloys, aluminum-copper alloys, and aluminum-magnesium alloys cannot be anodized and colored. In die-casting aluminum alloys, usually, the content of silicon is as high as 6%-12%, and the content of copper is also high. A high content of silicon will make the oxide film gray, and copper will make the oxide film red, and will damage the quality of the electrolyte. Excessive iron cont...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C1/06
CPCC22C1/06C22C21/00
Inventor 李新豪陈苏坚李升李旭涛王永科
Owner GUANGZHOU ZHIYUAN ALLOY PROD CO LTD