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Machining method of 3003 aluminum alloy finished foil

A processing method and aluminum alloy technology, which is applied in the field of indoor lighting, can solve the problems of high tensile strength of cast-rolled aluminum alloy foil, unfavorable stable production, and aggravated edge cracking tendency, so as to increase annealing temperature, improve internal structure, and increase elongation. rate effect

Inactive Publication Date: 2013-03-20
SOUTHWEST ALUMINUM GRP
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Problems solved by technology

Due to the influence of the uniformity of the structure of the 3003 aluminum alloy, the cast-rolled aluminum alloy foil produced by the above process has high tensile strength and low elongation, and it is difficult to form and crack easily in the process of producing the battery case; at the same time, the thinned During the rolling process, the edge cracking tends to increase, which is not conducive to stable production

Method used

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  • Machining method of 3003 aluminum alloy finished foil

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Embodiment Construction

[0019] The core of the invention is to provide a processing method of 3003 aluminum alloy finished foil, so as to improve the elongation of the product and facilitate forming.

[0020] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] Please refer to figure 1 Shown, the invention discloses a kind of 4004 alloy solder production method, it comprises the following steps:

[0022] Step S1: melting and casting;

[0023] The 3003 alloy is melted to obtain a melt, and the melt is cast-rolled to obtain a cast-rolled strip. Specific technological process: preparation of smelting furnace → charging and melting → slag removal and stirring → composition adjustment → refining → casting and rolling. During the smelting process, it is necessary to strictly control the melting temperature, cooling inte...

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Abstract

The invention provides a machining method of a 3003 aluminum alloy finished foil, which comprises the following steps: smelting, and cast rolling; primary cold rolling; homogenizing annealing: carrying out homogenizing annealing on the strip subjected to cold rolling at 460-520 DEG C for 18-25 hours; secondary cold rolling: carrying out heavy-reduction cold rolling on the strip subjected to annealing, wherein the working rate in pass is 40-60%; trimming; foil rolling; cutting; and annealing to obtain the 3003 aluminum alloy finished foil. By enhancing the annealing temperature and prolonging the annealing time of the homogenizing annealing, the grain size is increased; and the secondary cold rolling is carried out, and the reduction in pass is kept at 40-60% to crush the increasing grains, thereby achieving the goal of improving the interior structure of the material, effectively enhancing the elongation percentage of the material, lowering the tensile strength and facilitating the formation.

Description

technical field [0001] The invention relates to the technical field of indoor lighting, in particular to a processing method for a 3003 aluminum alloy finished foil. Background technique [0002] The alloying element of 3003 aluminum alloy is manganese, which has excellent forming and processing properties, high corrosion resistance, good weldability and electrical conductivity. Therefore, it can be widely used in chemical product processing and storage devices, tanks for transporting liquid products, Tanks, and various pressure vessels and pipes processed by thin plates, etc., so it can be used to process and produce lithium battery casings. The chemical composition control of 3003 alloy is carried out in accordance with the national standard GB / T3190. Its main components are Si: 0.6%; Fe: 0.7%; Cu: 0.05~0.2%; Mn: 1.0~1.5%; Zn: 0.10%. [0003] With the intensification of market competition, it is imperative to reduce the cost of lithium battery casings, and cast-rolled wo...

Claims

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Application Information

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IPC IPC(8): C22F1/04C21D8/02B21B1/40
Inventor 李响汤勇石华敏蔡辉涂俊阳
Owner SOUTHWEST ALUMINUM GRP
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