Die casting aluminum alloy

A technology of casting aluminum alloys and impurity elements, which is applied in the field of die-casting aluminum alloys, and can solve the problems of fluidity of molten metal, yield strength and thermal conductivity at the same time

Inactive Publication Date: 2019-11-08
江门市新会区新融金属制品有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a die-casting aluminum alloy, which overcomes the defects that the

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  • Die casting aluminum alloy
  • Die casting aluminum alloy
  • Die casting aluminum alloy

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Embodiment Construction

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Those who do not indicate the specific conditions in the examples are carried out according to the conventional conditions or the conditions suggested by the manufacturer. The reagents or instruments used were not indicated by the manufacturer, and they were all conventional products that could be purchased from the market.

[0016] A die-casting aluminum alloy provided by an embodiment of the present invention is described in detail below.

[0017] The embodiment of the present invention provides a die-casting aluminum alloy, the main components and their mass percentage contents are: Mg: 5.0-6.0%, Si: 2.8-4.3%, Mn: 0.5-0.7%, Er: 0.36-0.41%, Be : 0.003-0.008%; the balance is Al and other unavoidable impurity elements.

[0018] According ...

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Abstract

The invention discloses a die casting aluminum alloy. The die casting aluminum alloy comprises main components including, by mass percent, 5.0%-6.0% of Mg, 2.8%-4.3% of Si, 0.5%-0.7% of Mn, 0.36%-0.41% of Er, 0.003%-0.008% of Be and the balance Al and other inevitable impurity elements. The die casting aluminum alloy has the advantages that the yield strength is high, heat conduction performance is excellent, corrosion resistance is achieved, and the die casting and machining performance is excellent. The die casting aluminum alloy is high in strength and excellent in heat conduction performance and can be widely applied to the electronic industry, the electrical industry, the communication industry and the electromechanical industry.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, and in particular to a die-casting aluminum alloy. Background technique [0002] At present, the middle plate, frame and back cover of mobile phone products are mostly made of die-cast aluminum alloy. The thickness of the middle plate, frame and back cover is about 0.5mm, and the thinnest part is only 0.45mm thick. This has very high requirements on the strength and thermal conductivity of aluminum alloys to meet the requirements of use. At present, the types of die-casting aluminum alloys used in mobile phone structural parts include: Al-Zn-series high-strength die-casting aluminum alloys, Al-Si series high-thermal conductivity die-casting aluminum alloys and ordinary ADC12 die-casting aluminum alloys. [0003] Among them, the Al-Zn-Si-Cu-based high-strength die-casting aluminum alloy (with a zinc content of about 17%) has the advantages of excellent fluidity and high yield strength. T...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/03
CPCC22C1/026C22C1/03C22C21/08
Inventor 马鸿斌
Owner 江门市新会区新融金属制品有限公司
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