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Aluminum alloy material for 3C product and preparation method thereof

A technology for aluminum alloy materials and products, which is applied in the field of aluminum alloy materials for 3C products and its preparation, and can solve problems such as high density, magnetism, and poor heat dissipation

Pending Publication Date: 2021-02-05
DALISHEN ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material of the display backplane used in traditional electronic products is stainless steel. Its disadvantages are poor heat dissipation, magnetism, and high density.
However, it is difficult for traditional aluminum alloy materials to achieve high strength of 380-400Mpa and elongation of more than 12%.

Method used

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  • Aluminum alloy material for 3C product and preparation method thereof
  • Aluminum alloy material for 3C product and preparation method thereof
  • Aluminum alloy material for 3C product and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] An aluminum alloy material for 3C products, its chemical elements and their mass percentages are as follows:

[0047] Si: 0.07wt%, Fe: 0.16wt%, Cu: 0.004wt%, Mn: 0.27wt%, Mg: 5.7wt%, Cr: 0.04wt%, Zn: 0.01wt%, Ti: 0.015wt%, Na: 0.00005wt%, Be: 0.001wt%, aluminum: 93.60wt%, and the balance is unavoidable impurities.

[0048] In addition, the aluminum alloy material for this 3C product also adds AL-RE series rare earth elements.

[0049] The preparation method of the aluminum alloy material for the 3C product, the steps of the method include:

[0050] Ingredients: use 99.7% aluminum ingots, manganese agent, metal magnesium ingots, titanium agent, rare earth metals or rare earth master alloys, and determine the above-mentioned feeding amount according to the internal control chemical composition and the specifications and quantities of ingots.

[0051] Smelting: After completing the above calculation steps, add aluminum ingots and titanium agents to the melting furnace, w...

Embodiment 2

[0061] An aluminum alloy material for 3C products, its chemical elements and their mass percentages are as follows:

[0062] Si: 0.08wt%, Fe: 0.17wt%, Cu: 0.005wt%, Mn: 0.28wt%, Mg: 5.8wt%, Cr: 0.05wt%, Zn: 0.02wt%, Ti: 0.02wt%, Na: 0.00006wt%, Be: 0.002wt%, aluminum: 93.45wt%, and the balance is unavoidable impurities.

[0063] In addition, the aluminum alloy material for this 3C product also adds AL-RE series rare earth elements.

[0064] The preparation method of this embodiment is the same as that of Embodiment 1.

[0065] After testing, the comparison table of the mechanical performance parameters of the aluminum alloy material for 3C products in this embodiment and the comparative example (5052 aluminum alloy) is as follows:

[0066]

Embodiment 3

[0068] An aluminum alloy material for 3C products, its chemical elements and their mass percentages are as follows:

[0069] Si: 0.09wt%, Fe: 0.18wt%, Cu: 0.006wt%, Mn: 0.29wt%, Mg: 5.9wt%, Cr: 0.06wt%, Zn: 0.03wt%, Ti: 0.03wt%, Na: 0.00008wt%, Be: 0.003wt%, aluminum: 93.30wt%, and the balance is unavoidable impurities.

[0070] In addition, the aluminum alloy material for this 3C product also adds AL-RE series rare earth elements.

[0071] The preparation method of this embodiment is the same as that of Embodiment 1.

[0072] After testing, the comparison table of the mechanical performance parameters of the aluminum alloy material for 3C products in this embodiment and the comparative example (5052 aluminum alloy) is as follows:

[0073]

[0074] It can be seen from the comparison table of the mechanical property parameters of the aluminum alloy materials for 3C products in Examples 1 to 3 and the comparative example (5052 aluminum alloy) that the aluminum alloy materia...

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Abstract

The invention discloses an aluminum alloy material for a 3C product and a preparation method thereof. The aluminum alloy material comprises the following chemical elements in percentage by mass: not greater than 0.12wt% of Si, not greater than 0.2wt% of Fe, not greater than 0.05wt% of Cu, 0.15-0.3wt% of Mn, 5.5-6.5wt% of Mg, not greater than 0.1wt% of Cr, not greater than 0.2wt% of Zn, 0.015-0.03wt% of Ti, not greater than 0.0001wt% of Na, 0.001-0.005wt% of Be, and the balance aluminum and inevitable impurities. Aiming at the defects of a stainless steel material used by a display back plate of the 3C electronic product, the strength and the ductility are improved, so that the cracking is not generated after secondary molding.

Description

technical field [0001] The invention relates to an aluminum alloy material for 3C products and a preparation method thereof, belonging to the technical field of aluminum alloy preparation. Background technique [0002] At present, with the continuous development of 3C electronic products in the direction of high frequency and digitalization, the requirements for miniaturization and light weight of components are becoming increasingly urgent. Aluminum alloy high-strength and high-toughness technology is Features and high reliability have become one of the main technologies for the lightweight of 3C electronic products. Therefore, how to use high-strength and high-toughness aluminum alloys to replace traditional stainless steel materials in 3C electronic products has become a research hotspot. Traditional electronic products use stainless steel as the display backplane material. Its disadvantages are poor heat dissipation, magnetism, and high density. However, it is difficul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/06C22C1/03C22F1/047
CPCC22C1/026C22C1/03C22C21/06C22F1/047
Inventor 曹旷史栋心牟大强
Owner DALISHEN ALUMINUM
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