Aluminum alloy and process for processing aluminum alloy plate

A processing technology, aluminum alloy technology, applied in the direction of metal rolling, etc., can solve the problems of unreasonable control of the type and amount of addition, unscientific processing technology of aluminum alloy sheet, low tensile strength, low elongation cupping value, etc. , to reduce the grain anisotropy, increase the lattice distortion energy, and increase the number of recrystallized nuclei

Inactive Publication Date: 2010-05-12
JIANGYIN XINREN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the prior art, due to the low tensile strength, elongation, and cupping value of the aluminum alloy sheet, it cannot meet the requirements of high-quality heat exchangers for the aluminum alloy sheet
The main reasons include that the type and amount of trace elements added to the aluminum alloy material are not reasonably controlled, and the processing technology of the aluminum alloy sheet is not controlled scientifically enough.

Method used

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  • Aluminum alloy and process for processing aluminum alloy plate
  • Aluminum alloy and process for processing aluminum alloy plate
  • Aluminum alloy and process for processing aluminum alloy plate

Examples

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Embodiment 1

[0029] An aluminum alloy containing metallic iron and non-metallic silicon, the weight ratio of the metallic iron to non-metallic silicon is controlled between 1.0 and 1.5, and the aluminum alloy also contains metallic copper, manganese, zinc, magnesium, titanium. The weight percent contents of various elements in the aluminum alloy are respectively: 0.54% to 0.62% of silicon, 0.67% to 0.75% of iron, 0.01% of copper, 0.03% of manganese, 0.03% of zinc, The content of aluminum is 0.03%, the content of magnesium is 0.01%, the content of titanium is 0.03%, the content of impurities is less than 0.15%, and the rest is aluminum.

Embodiment 2

[0031] The present invention also provides a processing technology for an aluminum alloy thin plate, the process comprising the following processing steps:

[0032] The first step: batching, according to the batching element variety and proportioning ratio described in embodiment 1, the raw materials are configured;

[0033] The second step: smelting, the configured raw materials are added to the smelting furnace according to the set procedure to smelt into liquid aluminum alloy;

[0034] The third step: casting and rolling, using twin-roller continuous casting and rolling equipment to directly cast and roll the liquid aluminum alloy into a cast-rolled slab with a thickness of 6.0 mm to 10.0 mm suitable for cold rolling;

[0035] The fourth step: cold rolling, through five to six cold rolling processes, the cast and rolled thin slab is rolled into a 0.38mm cold rolled plate;

[0036] The fifth step: Foil rolling, through two foil rolling processes, the cold-rolled material af...

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Abstract

The invention discloses an aluminum alloy plate and a process for processing the same. The aluminum alloy contains metallic iron and non-metallic silicon in a weight ratio of 1.0 to 1.5. The aluminum alloy also contains metallic copper, manganese, zinc, magnesium and titanium. The technique process comprises the steps of material mixing, casting rolling, cold rolling, foil rolling and annealing. In the casting rolling process, liquid aluminum alloy is cast and rolled directly into cast plate blank which has a thickness between 6.0mm and 10.0mm and is suitable for cold rolling through a twin continuous cast-rolling apparatus; in the cold rolling process, the cast plate blank is rolled into cold-rolled sheet with a thickness of 0.38mm; and in the foil rolling process, the cold-rolled sheet is rolled into thin plate with a thickness of 0.22mm. Through the preparation of the aluminum alloy raw materials and adoption of the process, the processed aluminum alloy plate has the characteristics of high tensile strength, good elongation, good Erichsen performance and the like.

Description

technical field [0001] The invention relates to the field of processing aluminum alloy materials and aluminum alloy plates, in particular to a processing technology for aluminum alloys and aluminum alloy thin plates. Background technique [0002] Aluminum alloy materials have the advantages of good electrical and thermal conductivity, good corrosion resistance, good ductility, easy processing, and relatively low price. Aluminum alloy materials are widely used in machinery, electronics, electrical appliances, construction and other industries. Most of the heat exchangers in mechanical and electrical products use cast aluminum parts or aluminum plates as heat dissipation parts. However, in the prior art, since the tensile strength, elongation, and cupping value of the aluminum alloy sheet are relatively low, it cannot meet the requirements of high-quality heat exchangers for the aluminum alloy sheet. The main reasons include that the type and amount of trace elements added t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02B22D11/06B21B1/22C22F1/04
Inventor 吴丹谭军黄善球朱东年王明生
Owner JIANGYIN XINREN TECH
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