Die-casting aluminum alloy with anode being oxidable

A casting aluminum alloy, anodizing technology, applied in the field of die-casting aluminum alloy, can solve the problems of die-casting parts such as non-anodizing, irregular color, poor brightness, etc., and achieve the effect of excellent anodic oxidation performance and good die-casting performance

Inactive Publication Date: 2016-02-03
DONGGUAN AO PRECISION DIECASTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, die castings cannot be anodized or the anodizing effect is extremely poor
[0006] Third, there are anodized aluminum alloys represented by ADC6 on the market. Although they can be oxidized and colored, the color is not correct and the brightness is not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An anodizable die-casting aluminum alloy provided in this embodiment is composed of the following components by weight percentage: Si: 0.35%; Cu: 0.03%; Mg: 1.0%; Zn: 0.01%; Fe: 0.1%; Mn: 1.2%; Ti: 1.2%; Sn: 0.003%; Pb: 0.003%, Ce: 0.1%; the balance is Al.

Embodiment 2

[0029] An anodizable die-casting aluminum alloy provided in this embodiment is composed of the following components by weight percentage: Si: 0.4%; Cu: 0.05%; Mg: 1.1%; Zn: 0.02%; Fe: 0.15%; Mn: 1.3%; Ti: 1.1%; Sn: 0.001%; ​​Pb: 0.001%, Ce: 0.2%; the balance is Al.

Embodiment 3

[0031] An anodizable die-casting aluminum alloy provided in this embodiment is composed of the following components by weight percentage: Si: 0.45%; Cu: 0.02%; Mg: 1.0%; Zn: 0.015%; Fe: 0.12%; Mn: 1.15%; Ti: 0.9%; Sn: 0.005%; Pb: 0.005%; Ce: 0.15%;

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PUM

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Abstract

The invention belongs to the technical field of aluminum alloy, in particular to die-casting aluminum alloy with the anode being oxidable. The aluminum alloy is composed of, by weight, 0.3%-0.5% of Si, 0-0.1% of Cu, 0.8%-1.5% of Mg, 0-0.05% of Zn, 0-0.35% of Fe, 1.0%-1.5% of Mn, 0.5%-2.0% of Ti, 0-0.008% of Sn, 0-0.008% of Pb and the balance Al. Compared with the prior art, all the elements are utilized reasonably, and the content of all the elements is limited within a reasonable range, so that the die-casting aluminum alloy with the anode being oxidable which is good in die-casting performance and excellent in anodic oxidation performance is obtained, and the die-casting aluminum alloy is suitable for aluminum alloy structural components with the anode being oxidable and high in surface treatment effect requirement.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, in particular to an anodic oxidizable die-casting aluminum alloy. Background technique [0002] The surface of aluminum and its alloys is easy to form a very thin aluminum oxide film (thickness is about 0.01 ~ 0.02um), which has a certain corrosion resistance in the atmosphere. But because this layer of oxide film is amorphous, it makes the surface of the aluminum part lose its original luster. In addition, the oxide film is loose, porous, uneven, not strong in corrosion resistance, and easily stained. Therefore, aluminum and its alloy products usually need to be anodized. [0003] However, the anodizable die-casting aluminum alloys and their preparation methods in the prior art also have the following disadvantages: [0004] First, in the actual production process, anodized aluminum alloy structural parts that require high surface treatment effects generally need to be processed by al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C21/00
Inventor 莫柱洲勾长兰李卫平谭和平周冠坤
Owner DONGGUAN AO PRECISION DIECASTING CO LTD
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