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Die-casting aluminum alloy capable of being subjected to anodic oxidation

A technology of casting aluminum alloy and anodizing, applied in the field of die-casting aluminum alloy, can solve the problems of discoloration, poor die-casting performance, low yield rate, etc., and achieve the effect of high yield rate, good coloring effect and strong die-casting performance.

Inactive Publication Date: 2018-01-30
深圳市智联超科科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an anodizable die-casting aluminum alloy, which solves the problems in the prior art that the die-casting aluminum alloy used for anodic oxidation has a low yield of castings, poor die-casting performance, and different colors when used as an anode. Problems affecting use

Method used

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  • Die-casting aluminum alloy capable of being subjected to anodic oxidation
  • Die-casting aluminum alloy capable of being subjected to anodic oxidation

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Experimental program
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Embodiment 1

[0017] The anodizable die-casting aluminum alloy is composed of the following components in mass percentage: Al: 98.5%; Fe: 0.39%; Mn: 0.70%; Si: 0.40%; and the sum of impurities: 0.01%.

Embodiment 2

[0019] The anodizable die-cast aluminum alloy is composed of the following components by mass percentage: Al: 98.2%; Fe: 0.48%; Mn: 0.82%; Si: 0.49%; and the sum of impurities: 0.01%.

Embodiment 3

[0021] The anodizable die-casting aluminum alloy is composed of the following components by mass percentage: Al: 98.29%; Fe: 0.50%; Mn: 0.70%; Si: 0.50%; and the sum of impurities: 0.01%.

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Abstract

The present invention relates to a die-casting aluminum alloy capable of being subjected to anodic oxidation, wherein the die-casting aluminum alloy comprises, by mass, 0.1-4% of Fe, 0.2-4.5% of Mn, 0.1-4% of Si, and the balance of Al and unavoidable impurities, the total content of the impurities is less than 0.05%, and the content of the single impurity is less than 0.01%. According to the present invention, the die-casting aluminum alloy has characteristics of high die-casting performance and high yield, can obtain the continuous and uniform film layer during the anodic oxidation, has excellent coloring effect, and has good comprehensive performance, wherein the beautiful appearance can be obtained after the coloring.

Description

technical field [0001] The invention relates to the technical field of nonferrous metals, in particular to an anodizable die-casting aluminum alloy. Background technique [0002] With the rise of smart phones, people have higher and higher requirements for the screen size of mobile phones, and higher and higher requirements for chip performance. This puts forward high requirements for the strength, heat dissipation, and appearance treatment of mobile phone structural parts, so the first-line high-end Brands have used the method of aluminum plate + CNC + anodized surface treatment to process mobile phone structural parts, but this will use a large number of CNC machines, consumables, time-consuming, and push up the cost of structural parts. This method cannot meet the needs of automobiles. Processing of many special-shaped parts such as lightweight, drones, and robots. At present, the commonly used cast aluminum workpieces are all high-silicon aluminum, which has poor heat d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/02
Inventor 王光勇
Owner 深圳市智联超科科技有限公司
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