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Aluminum alloy strip for mobile phone battery shell and manufacturing method thereof

A technology for aluminum alloy strips and mobile phone batteries, which is applied to the field of aluminum alloy strips for mobile phone battery shells, can solve the problem of elongation after breaking, large ear-making rate, inability to meet the requirements of large-scale thinning and stretching and punching, and resistance to Low tensile strength, etc., to achieve the effect of high tensile strength, meeting the requirements of proportional thinning and stretch punching, and low ear rate

Inactive Publication Date: 2018-02-23
长沙仲善新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an aluminum alloy strip for mobile phone battery case and its manufacturing method, so as to solve the problems of low tensile strength, elongation after fracture and ear-making of the existing aluminum alloy strip for mobile phone battery case. The ratio is too high to meet the more complex asymmetric box-type large-scale thinning and stretching punching molding requirements

Method used

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  • Aluminum alloy strip for mobile phone battery shell and manufacturing method thereof
  • Aluminum alloy strip for mobile phone battery shell and manufacturing method thereof

Examples

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preparation example Construction

[0025] The preparation method of the aluminum alloy strip for the cell phone battery case comprises the following steps:

[0026] S1. Melting: Use a gas reactor to melt the prepared materials. After melting, the unit of weight is 1.2-4 parts of silicon, 1.5-4 parts of iron, 4-8 parts of copper, 0.8-1.5 parts of magnesium, and 0.3 parts of manganese. -0.9 parts, 3-8 parts of zinc, 8-10 parts of titanium, 1.8-2.6 parts of tin, 0.8-1.5 parts of chromium, 3-5 parts of nickel, 0.2-0.4 parts of graphene, 0.5-0.9 parts of sodium fluorosilicate, Transfer 0.6-1.2 parts of ytterbium acetate, 2-4 parts of dispersant POLYRON, 0.6-0.9 parts of 701 powder reinforcing agent and 80-100 parts of aluminum into the resistance reverberatory furnace for homogenization for 15-30 minutes, and transfer the material into the resistance reverberatory furnace at the same time Within 5 minutes of homogenization, add Al-Ti-B wire refiner for the first time to refine the grains, and after 15 minutes of hom...

Embodiment 1

[0033] An aluminum alloy strip for a mobile phone battery case, comprising the following raw materials in parts by weight: 1.2 parts of silicon, 1.5 parts of iron, 4 parts of copper, 0.8 parts of magnesium, 0.3 parts of manganese, 3 parts of zinc, 8 parts of titanium, tin 1.8 parts, 0.8 parts of chromium, 3 parts of nickel, 0.2 parts of graphene, 0.6 parts of sodium fluorosilicate, 0.6 parts of ytterbium acetate, 2 parts of dispersant POLYRON, 0.6 parts of 701 powder reinforcing agent and 80 parts of aluminum;

[0034] The preparation method of the aluminum alloy strip for the cell phone battery case comprises the following steps:

[0035]S1. Melting: Use a gas reactor to melt the prepared materials. After melting, the unit of weight is 1.2 parts of silicon, 1.5 parts of iron, 4 parts of copper, 0.85 parts of magnesium, 0.3 parts of manganese, 3 parts of zinc, and 8 parts of titanium. 1.8 parts of tin, 0.8 parts of chromium, 3 parts of nickel, 0.2 parts of graphene, 0.6 parts ...

Embodiment 2

[0041] An aluminum alloy strip for a mobile phone battery case, comprising the following raw materials in parts by weight: 2 parts of silicon, 2 parts of iron, 5 parts of copper, 0.9 parts of magnesium, 0.5 parts of manganese, 4 parts of zinc, 9 parts of titanium, tin 1.9 parts, 0.9 parts of chromium, 4 parts of nickel, 0.3 parts of graphene, 0.7 parts of sodium fluorosilicate, 0.8 parts of ytterbium acetate, 3 parts of dispersant POLYRON, 0.7 parts of 701 powder reinforcing agent and 90 parts of aluminum;

[0042] The preparation method of the aluminum alloy strip for the cell phone battery case comprises the following steps:

[0043] S1. Melting: Use a gas reactor to melt the prepared materials. After melting, the unit of weight is 2 parts of silicon, 2 parts of iron, 5 parts of copper, 0.9 parts of magnesium, 0.5 parts of manganese, 4 parts of zinc, and 9 parts of titanium. 1.9 parts of tin, 0.9 parts of chromium, 4 parts of nickel, 0.3 parts of graphene, 0.7 parts of sodiu...

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Abstract

The invention discloses an aluminum alloy strip for a mobile phone battery shell and a manufacturing method thereof. The aluminum alloy strip for the mobile phone battery shell comprises the followingraw materials of aluminum, silicon, iron, copper, magnesium, manganese, zinc, titanium, tin, chromium, nickel, graphene, sodium fluosilicate, ytterbium acetate, a dispersing agent POLYRON and a 701 powder reinforcing agent. The aluminum alloy strip for the mobile phone battery shell is manufactured through the steps of burdening, smelting, casting, homogenization annealing, hot rolling treatment,cold rolling treatment and the like. According to the aluminum alloy strip for the mobile phone battery shell, the tensile strength is large, the elongation at break and the ear-making rate are low,and the requirements of the more complex asymmetric box type large-scale thinning stretching punching forming can be met.

Description

【Technical field】 [0001] The invention belongs to the technical field of aluminum alloy strips for mobile phone battery cases, and in particular relates to an aluminum alloy strip for mobile phone battery cases and a manufacturing method thereof. 【Background technique】 [0002] With the rapid development of the communication and media industry, the volume of mobile phones is gradually decreasing, while the functions are increasing, resulting in increasing battery power consumption and shorter use time. In order to increase the capacity of the battery case and increase the battery life, It is the best way to reduce the wall thickness of the shell and improve the strength and hardness of the shell material. The existing 3003-H14 aluminum alloy strip used in mobile phone battery shells has a tensile strength of 150MPa at room temperature, an elongation rate of 3%-8% after breaking, an earring rate of 4%-5%, and a thinner material. Finally, it is difficult to meet the asymmetri...

Claims

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Application Information

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IPC IPC(8): C22C1/10C22C21/00C22C32/00C22F1/04B22D27/20
CPCC22C1/1036C22C21/003C22C32/0089C22F1/04B22D27/20C22C1/1052
Inventor 不公告发明人
Owner 长沙仲善新能源科技有限公司
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