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Processing technology of 50mm thick aluminum alloy panel for ship

An aluminum alloy sheet and processing technology technology, applied in the field of metal materials, can solve the problems that the corrosion resistance of the aluminum alloy sheet cannot be improved, and can not meet the production approval requirements of the BV marine aluminum alloy sheet, so as to increase the mechanical properties and corrosion resistance. Effect

Inactive Publication Date: 2015-03-25
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current production method cannot improve the corrosion resistance of aluminum alloy sheets, so it cannot meet the requirements for the production approval of BV marine aluminum alloy sheets

Method used

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  • Processing technology of 50mm thick aluminum alloy panel for ship
  • Processing technology of 50mm thick aluminum alloy panel for ship
  • Processing technology of 50mm thick aluminum alloy panel for ship

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Milling a 500mm 5083 aluminum alloy plate, heating the milled aluminum alloy plate at 450 degrees Celsius, and performing the first rolling on the heated plate, wherein the rolling temperature is 460 degrees Celsius, After rolling, the plate reaches 150mm, and the plate is cooled, wherein, after the cooling temperature reaches 300°C, the plate is subjected to the second rolling, and after the second rolling, the thickness of the plate is 50mm , the temperature of the plate is 250°C. Cut the plate after the above rolling process with 120mm scissors. After cutting, the plate is stretched, straightened and sawed to length. After acceptance and packaging, the 5083 aluminum alloy thick plate can be obtained.

[0035] The performance of the aluminum alloy thick plate in the H116 state is measured, wherein the corrosion resistance is tested for exfoliation corrosion sensitivity according to ASTM G66 or equivalent standards. Take a sample in the middle of the width of the two ...

Embodiment 2

[0037] Milling a 500mm 5083 aluminum alloy plate, heating the milled aluminum alloy plate at 450 degrees Celsius, and performing the first rolling on the heated plate, wherein the rolling temperature is 470 degrees Celsius, After rolling, the plate reaches 100mm, and the plate is cooled, wherein, after the cooling temperature reaches 300°C, the plate is subjected to the second rolling, and after the second rolling, the thickness of the plate is 50mm , the temperature of the plate is 200°C. Cut the plate after the above rolling process with 120mm scissors. After cutting, the plate is stretched, straightened and sawed to length. After acceptance and packaging, the 5083 aluminum alloy thick plate can be obtained.

[0038]The performance of the aluminum alloy thick plate in the H116 state is measured, wherein the corrosion resistance is tested for exfoliation corrosion sensitivity according to ASTM G66 or equivalent standards. Take a sample in the middle of the width of the two l...

Embodiment 3

[0040] Milling a 500mm 5083 aluminum alloy plate, heating the milled aluminum alloy plate at 450 degrees Celsius, and performing the first rolling on the heated plate, wherein the rolling temperature is 480 degrees Celsius, After rolling, the plate reaches 120mm, and the plate is cooled, wherein, after the cooling temperature reaches 300°C, the plate is subjected to the second rolling, and after the second rolling, the thickness of the plate is 50mm , the temperature of the plate is 220°C. Cut the plate after the above rolling process with 100mm scissors. After cutting, the plate is stretched, straightened and sawed to length. After acceptance and packaging, the 5083 aluminum alloy thick plate can be obtained.

[0041] The performance of the aluminum alloy thick plate in the H116 state is measured, wherein the corrosion resistance is tested for exfoliation corrosion sensitivity according to ASTM G66 or equivalent standards. Take a sample in the middle of the width of the two ...

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Abstract

The invention provides a processing technology of a 50mm thick aluminum alloy panel for a ship. The processing technology is characterized by comprising the following step of sequentially carrying out face-milling, heating, rolling, shearing, stretch flattening and sawing and sizing on a 5083 aluminum alloy cast ingot to obtain the aluminum alloy panel for the ship. According to the processing technology of the aluminum alloy panel provided by the invention, a hot rough rolling step is combined with the heating, shearing and stretch flattening steps and the like, so that the mechanical performance and the resistance to corrosion of the aluminum alloy panel in an H116 state can be enhanced.

Description

technical field [0001] The invention belongs to the technical field of metal materials, and in particular relates to a processing technology for a 50mm thick marine 5083 aluminum alloy plate. Background technique [0002] Bureau Veritas (full name: Bureau Veritas, referred to as BV, established in 1828 and headquartered in Paris, France, is one of the 12 official members of the International Association of Shipping Societies and one of the world's leading inspection and certification groups. The business of Bureau Veritas It has expanded to the fields of quality, health and safety, environment and social responsibility, and is involved in ship classification and inspection, system certification, international import and export commodity inspection, social responsibility audit, consumer product testing, industrial construction and infrastructure, nuclear safety, etc. The field is in the leading position in the world. Ships entering France need to be certified by BV. Therefore...

Claims

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Application Information

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IPC IPC(8): C22F1/047
CPCC22F1/047
Inventor 王军李伟伍彬
Owner SOUTHWEST ALUMINUM GRP
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