Household aluminum foil material and preparation method of household aluminum foil

A manufacturing method and aluminum foil technology, which are applied in the field of household aluminum foil materials and household aluminum foil manufacturing, can solve the problems of low production efficiency and yield, affect the use of aluminum foil, and low alloy content, and improve production efficiency, yield and low strength. , the effect of high surface quality

Active Publication Date: 2012-04-11
JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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AI Technical Summary

Problems solved by technology

The use of 1235 alloy to produce household foil has the advantages of good surface quality and fewer pinholes in the aluminum foil, but due to the low alloy content and soft strength, it leads to poor rolling performance, resulting in problems such as low production efficiency and yield; and the use of 8011 alloy In the production of household foil, although the strength is high and the rolling stability is good, due to the characteristics of the alloy itself, the number of pinholes often exceeds the standard, which affects the use of aluminum foil

Method used

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Embodiment Construction

[0010] The manufacture embodiment of household aluminum foil of the present invention is as follows:

[0011] a. Smelting, casting and rolling. The raw materials are smelted and cast and rolled with low excessive casting and rolling technology. The thickness of the billet after casting and rolling is 7.0±0.2mm; the composition and weight percentage of the raw material alloy are: Si 0.2%, Fe 0.79% , Cu 0.05%, Zn 0.1%, Ti 0.05%, Al balance;

[0012] b. Cold rolling the billet thickness to 4.1mm for billet homogenization annealing, the homogenization annealing process is: under the condition of 580 ℃, heat preservation for 28 hours; after being released from the furnace, cool to room temperature, continue cold rolling, and carry out cold rolling to 0.8mm thickness Intermediate annealing, the annealing process is: under the condition of 380 ℃, heat preservation for 10 hours; then cold rolling to 0.35mm for trimming;

[0013] c. Foil-roll the trimmed material to the thickness of t...

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Abstract

The invention relates to the preparation of an aluminum alloy material, in particular to a household aluminum foil material and a preparation method of the household aluminum foil. The aluminum alloy material comprises the following alloy components by weight percent: 0.2-0.25% of Si, 0.77-0.83% of Fe, 0.05% of Cu, 0.1% of Zn, 0.05% of Ti and the balance Al. The material combines the advantages of the series 1 alloy and the 8011 alloy, has low strength, high elongation rate, high surface quality and good rolling stability; and by adopting the material, the production efficiency and yield can be effectively increased and the production cost can be reduced. The hole number of the household aluminum foil prepared by the method is below 200 per square meter, the tensile strength is 80-100Mpa and the elongation rate is no less than 1%.

Description

technical field [0001] The invention relates to the manufacture of aluminum alloy materials, in particular to a household aluminum foil material and a manufacturing method of the household aluminum foil. Background technique [0002] At present, the aluminum alloys used to produce household foils in the market are generally 1235 and 8011 alloys. The use of 1235 alloy to produce household foil has the advantages of good surface quality and fewer pinholes in the aluminum foil, but due to the low alloy content and soft strength, it leads to poor rolling performance, resulting in problems such as low production efficiency and yield; and the use of 8011 alloy In the production of household foil, although the strength is high and the rolling stability is good, due to the characteristics of the alloy itself, the number of pinholes often exceeds the standard, which affects the use of aluminum foil. Contents of the invention [0003] The technical problem to be solved by the prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00B21B1/40C22F1/04
Inventor 黎勇董则防张莉
Owner JIANGSU DINGSHENG NEW MATERIAL JOINT STOCK CO LTD
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