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Machining process of thick 5083 aluminum alloy plate for ships

A processing technology and aluminum alloy technology, which is applied in the processing technology field of marine 5083 aluminum alloy thick plates, can solve the problems of not improving the corrosion resistance of aluminum alloy plates, failing to meet the production approval requirements of ABS marine aluminum alloy plates, etc. The effect of mechanical properties and corrosion resistance

Inactive Publication Date: 2015-03-04
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 the aluminum alloy sheet, so it cannot meet the production approval requirements of the ABS marine aluminum alloy sheet

Method used

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  • Machining process of thick 5083 aluminum alloy plate for ships
  • Machining process of thick 5083 aluminum alloy plate for ships

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[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 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.

[0038] The performance of the aluminum alloy thick plate 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 longitudinal end p...

Embodiment 2

[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 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 35mm , 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.

[0041]The performance of the aluminum alloy thick plate 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 longitudinal end po...

Embodiment 3

[0043] 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 40mm , 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.

[0044] The performance of the aluminum alloy thick plate 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 longitudinal end p...

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Abstract

The invention provides a machining process of a thick 5083 aluminum alloy plate for ships. The machining process is characterized by comprising the following steps: sequentially milling, heating, rolling, shearing, drawing to straighten and sawing to fix the size of 5083 aluminum alloy cast ingots, thereby obtaining the 5083 aluminum alloy plate for ships. With the combination of procedures of hot rough rolling, heating, shearing, drawing to straighten and the like of the machining process of the thick aluminum alloy plate, the mechanical property and the anticorrosion property of the thick aluminum alloy plate are improved.

Description

technical field [0001] The invention belongs to the technical field of metal materials, and in particular relates to a processing technology of a marine 5083 aluminum alloy thick plate. Background technique [0002] American Bureau of Shipping (ABS, full name: American Bureau of Shipping) was established in 1862. It is a non-governmental organization mainly dedicated to serving the public interest and customer needs. By developing and verifying the design, construction and operation standards of marine-related facilities, Protect the safety of human life, property and the natural environment. Ships entering the United States need to be certified by ABS. Therefore, in order to expand orders for marine products in order to meet the needs of foreign trade and sales, marine aluminum alloy plates need to meet the specifications of ABS Classification Society and obtain ABS certification. [0003] 5083 alloy has good strength and good machinability among non-heat treatable alloys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/047
CPCC22F1/047
Inventor 王军李伟伍彬
Owner SOUTHWEST ALUMINUM GRP
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