CN104439980A - processing technique for 5083H321 aluminium alloy plates - Google Patents
processing technique for 5083H321 aluminium alloy plates Download PDFInfo
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- CN104439980A CN104439980A CN201410762624.7A CN201410762624A CN104439980A CN 104439980 A CN104439980 A CN 104439980A CN 201410762624 A CN201410762624 A CN 201410762624A CN 104439980 A CN104439980 A CN 104439980A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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Abstract
The invention provides a processing technique for 5083H321 aluminium alloy plates. The processing technique includes the following steps: A), subjecting the 5083H321 aluminum alloy plates to temperature-controlled rolling, wherein temperature-controlled rolling temperature is smaller than or equal to 250 DEG C; B), cutting and straightening the aluminum alloy plates obtained in the step A). The processing technique is characterized in that the 5083H321 aluminum alloy plates are subjected to temperature-controlled rolling at temperature below 250 DEG C, internal structure of the plates is at a recrystallization nucleation stage, and phases are dispersively distributed in crystals and crystal boundaries, so that corrosion resistance and mechanical performance of the plates are improved. Experiment results show that tensile strength and yield strength of the 5083H321 aluminum alloy plates can reach more than 350MPa and 230MPa respectively.
Description
Technical field
The present invention relates to aluminum alloy plate materials technical field, particularly relate to a kind of processing technology of 5083H321 aluminum alloy plate materials.
Background technology
Aluminum alloy plate materials has light, shaping excellent, the high strength of quality, highly to extend, corrosion resistance and good and the characteristic such as renewable, is the only choosing alleviating light weight, reduce energy consumption, improve transport benefits.It is lighter that all aluminium alloy fortune loading truck compares traditional steel car own wt, and longer service life, vehicle load is larger.
5083-H321 aluminium alloy is high magnesium alloy, in non-heat-treatable alloy, intensity is good, and corrosion resistance, machinability are good, make it be widely used in maritime affairs purposes as boats and ships, automobile, aircraft weldment, subway light rail, need the pressure vessel of rigorous fire, refrigerating plant etc.American-European countries has used 5083 aluminum alloy plate materials to substitute steel for the manufacture of railway car in a large number, domesticly also substitute traditional stainless steel fortune loading truck with brand-new aluminum alloy vehicular just gradually, the pure aluminum alloy C80 special open car for carrying coal that South China car and Bei Chedeng group company manufacture, at present main employing Imported Aluminium sheet alloy.
5083H321 coal car sheet material is mainly used in coal conveyor hull bottom plate and sidewall, sheet material main specifications needed for it is 5.0 × 2400 × 13512mm, 6.0 × 2420 × 10612mm and 8.0 × 2220 × 4264mm, user uses initial surface to process, shaping, assembling, has higher requirements to product surface quality and physical dimension.The 5083H321 aluminum alloy plate materials of the above-mentioned size of pre-manufactured need into a series of distortion, in deformation process, the interior microscopic tissue of aluminum alloy plate materials can be greatly affected, thus affects the mechanical property of 5083H321 aluminum alloy plate materials.
Summary of the invention
The technical problem that the present invention solves is the processing technology providing a kind of 5083H321 aluminum alloy plate materials, adopts processing technology provided by the invention can improve the yield rate of aluminum alloy plate materials.
This application provides a kind of processing technology of 5083H321 aluminum alloy plate materials, comprise the following steps:
A) 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling, temperature≤250 DEG C of described temperature-controlled rolling;
B) by steps A) aluminum alloy plate materials that obtains carries out shearing, aligning.
Preferably, the temperature of described temperature-controlled rolling is 80 DEG C ~ 240 DEG C.
Preferably, the temperature of described temperature-controlled rolling is 90 DEG C ~ 220 DEG C.
Preferably, the temperature of described temperature-controlled rolling is 110 DEG C ~ 200 DEG C.
Preferably, the temperature of described temperature-controlled rolling is 130 DEG C ~ 160 DEG C.
Preferably, described aligning is roll straightening.
Preferably, described aligning is nine roller alignings.
This application provides a kind of processing technology of 5083H321 aluminum alloy plate materials, comprise the following steps: A) 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling, described temperature-controlled rolling temperature≤250 DEG C; B) by steps A) aluminum alloy plate materials that obtains carries out shearing, aligning.This application provides a kind of processing technology of 5083H321 aluminum alloy plate materials, it is carried out by 5083H321 aluminum alloy plate materials carrying out temperature-controlled rolling at 250 DEG C, sheet material interior tissue is in the Recrystallization nucleation stage, at intracrystalline, crystal boundary Dispersed precipitate, thus improve corrosive nature and the mechanical property of sheet material.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of processing technology of 5083H321 aluminum alloy plate materials, comprise the following steps:
A) 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling, temperature≤250 DEG C of described temperature-controlled rolling;
B) by steps A) aluminum alloy plate materials that obtains carries out shearing, aligning.
In the process of heat-treating 5083H321 aluminum alloy plate materials, the application carries out temperature-controlled rolling to 5083H321 aluminum alloy plate materials, thus makes the interior tissue of 5083H321 aluminum alloy plate materials there occurs change, improves its mechanical property.
According to the present invention, obtain after described 5083H321 aluminum alloy plate materials is through a series of distortion, its interior tissue after distortion is uneven, thus makes the performance of 5083H321 aluminium alloy not good.First 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling by the application, temperature≤250 DEG C, the rolling process and before 5083H321 sheet material are through which kind of process, the application does not do special restriction, according to mode well known to those skilled in the art, just in the operation of rolling, temperature there occurs change.In temperature-controlled rolling process, sheet material internal grain is in the Recrystallization nucleation stage, at intracrystalline, crystal boundary Dispersed precipitate, thus improves corrosive nature and the mechanical property of sheet material.In certain embodiments, the temperature of described temperature-controlled rolling is preferably 80 DEG C ~ 240 DEG C; In certain embodiments, the temperature of described temperature-controlled rolling is preferably 90 DEG C ~ 220 DEG C; In certain embodiments, the temperature of described temperature-controlled rolling is preferably 110 DEG C ~ 200 DEG C; In certain embodiments, the temperature of described temperature-controlled rolling is preferably 130 DEG C ~ 160 DEG C.
Sheet material through rolling is sheared by the application, and aligning obtains the sheet material needed in production.The described small size that is cut into is sheared, to meet the dimensional requirement of sheet material.Described aligning is preferably roll straightening, is more preferably nine roller alignings.Shear described in the application with aligning for well known to those skilled in the art, the application does not do special restriction.
This application provides a kind of processing technology of 5083H321 aluminum alloy plate materials, comprise the following steps: A) 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling, described temperature-controlled rolling temperature≤250 DEG C; B) by steps A) aluminum alloy plate materials that obtains carries out shearing, aligning.This application provides a kind of processing technology of 5083H321 aluminum alloy plate materials, it is carried out by 5083H321 aluminum alloy plate materials carrying out temperature-controlled rolling at 250 DEG C, sheet material interior tissue is in the Recrystallization nucleation stage, at intracrystalline, crystal boundary Dispersed precipitate, thus improve corrosive nature and the mechanical property of sheet material.Experimental result shows, the hot strength of 5083H321 aluminum alloy plate materials is for can reach more than 350MPa, and yield strength can reach more than 230MPa.
In order to understand the present invention further, be described in detail below in conjunction with the processing technology of embodiment to 5083H321 aluminum alloy plate materials provided by the invention, protection scope of the present invention is not limited by the following examples.
Embodiment 1
5083H321 aluminum alloy plate materials is rolled at 200 DEG C, then shears, align, obtain the 5083H321 aluminum alloy plate materials being of a size of 5.0 × 2400 × 13512mm.Detect the mechanical property through heat treated 5083H321 aluminum alloy plate materials, experimental result shows, its hot strength is 360MPa, and yield strength is 230MPa.
Embodiment 2
5083H321 aluminum alloy plate materials is rolled at 240 DEG C, then shears, align, obtain the 5083H321 aluminum alloy plate materials being of a size of 5.0 × 2400 × 13512mm.。Detect the mechanical property of 5083H321 aluminum alloy plate materials, experimental result shows, its hot strength is 385MPa, and yield strength is 235MPa.
Embodiment 3
5083H321 aluminum alloy plate materials is rolled at 190 DEG C, then shears, align, obtain the 5083H321 aluminum alloy plate materials being of a size of 5.0 × 2400 × 13512mm.。Detect the mechanical property of 5083H321 aluminum alloy plate materials, experimental result shows, its hot strength is 370MPa, and yield strength is 240MPa.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a processing technology for 5083H321 aluminum alloy plate materials, comprises the following steps:
A) 5083H321 aluminum alloy plate materials is carried out temperature-controlled rolling, temperature≤250 DEG C of described temperature-controlled rolling;
B) by steps A) aluminum alloy plate materials that obtains carries out shearing, aligning.
2. processing technology according to claim 1, is characterized in that, the temperature of described temperature-controlled rolling is 80 DEG C ~ 240 DEG C.
3. processing technology according to claim 1, is characterized in that, the temperature of described temperature-controlled rolling is 90 DEG C ~ 220 DEG C.
4. processing technology according to claim 1, is characterized in that, the temperature of described temperature-controlled rolling is 110 DEG C ~ 200 DEG C.
5. processing technology according to claim 1, is characterized in that, the temperature of described temperature-controlled rolling is 130 DEG C ~ 160 DEG C.
6. processing technology according to claim 1, is characterized in that, described aligning is roll straightening.
7. processing technology according to claim 6, is characterized in that, described aligning is nine roller alignings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410762624.7A CN104439980A (en) | 2014-12-12 | 2014-12-12 | processing technique for 5083H321 aluminium alloy plates |
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| CN201410762624.7A CN104439980A (en) | 2014-12-12 | 2014-12-12 | processing technique for 5083H321 aluminium alloy plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109022958A (en) * | 2018-09-18 | 2018-12-18 | 天津忠旺铝业有限公司 | A kind of manufacturing method of 5083 aluminium alloy thick plate peculiar to vessel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109022958A (en) * | 2018-09-18 | 2018-12-18 | 天津忠旺铝业有限公司 | A kind of manufacturing method of 5083 aluminium alloy thick plate peculiar to vessel |
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Application publication date: 20150325 |