CN102383074A - Processing method for O-state aluminium alloy boards - Google Patents
Processing method for O-state aluminium alloy boards Download PDFInfo
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- CN102383074A CN102383074A CN2011103260806A CN201110326080A CN102383074A CN 102383074 A CN102383074 A CN 102383074A CN 2011103260806 A CN2011103260806 A CN 2011103260806A CN 201110326080 A CN201110326080 A CN 201110326080A CN 102383074 A CN102383074 A CN 102383074A
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Abstract
The embodiment of the invention discloses a processing method for O-state aluminium alloy boards, which is used for producing the O-state aluminium alloy boards used for manufacturing aircraft covering plates. The method of the embodiment comprises the following steps: heating rolled aluminium alloy material to be at 300-400 DEG C with the heating speed of 150 DEG C/min-300 DEG C/min, conducting heat preservation for 2-30 minutes, and then using cooling liquid to quickly cool the material to be at a room temperature; conducting stretch bending and straightening treatment on the aluminium alloy material in 10 minutes after the aluminium alloy material is cooled to be at the room temperature; and heating the aluminium alloy material after stretch bending and straightening treatment to be at 300-450 DEG C in a box type air furnace in a rolled form or a sheet form, conducting heat preservation for 1-3 hours, and then cooling the aluminium alloy material to be at the room temperature with the cooling speed of less than or equal to 28 DEG C per hour, thus obtaining the O-state aluminium alloy board which has the advantages that both a base body and a cladding layer have uniform and tiny re-crystalline structures, the internal residual stress of the material is small, and the forming performance is good, and can be used for manufacturing the aircraft covering plates.
Description
Technical field
The present invention relates to the manufacturing field, relate in particular to a kind of working method of O state aluminium alloy sheet material.
Background technology
In the prior art; General aviation with 2XXX and 7XXX be the skin panel use be O state aluminium alloy sheet material, the working method of this O state aluminium alloy sheet material is: with the aluminum alloy materials ingot casting also rolling after, with rolling or chip between box air furnace internal heating to 360 is degree centigrade to 400 degrees centigrade; Be incubated 1 to 3 hours; Cool off control with per hour 28 degrees centigrade or slower speed again, finally obtain O state aluminium alloy sheet material, such O state aluminium alloy sheet material is behind straightening and shearing; Can obtain the aircraft skin plate with O state aluminium alloy sheet material, arrive user's request for utilization.
Yet; The contriver finds under study for action; The production efficiency of the working method of O state aluminium alloy sheet material is low in the prior art; And the O state aluminium alloy sheet material internal stress after the processing is eliminated inhomogeneous, makes easy deformation when utilizing this kind O state aluminium alloy sheet material processing parts, influences the quality and the precision of processing parts; And matrix and the coating layer of producing the O state aluminium alloy sheet material that obtains are prone to form coarse grain, homogeneity of structure is poor, and the feasible skin panel poor-performing that utilizes this type of O state aluminium alloy sheet material processing to obtain.
Summary of the invention
The embodiment of the invention provides a kind of working method of O state aluminium alloy sheet material, is used for aluminum alloy materials processed obtaining O state aluminium alloy sheet material, and this O state aluminium alloy sheet material can be used for making the aircraft skin plate.
The working method of the O state aluminium alloy sheet material in the embodiment of the invention comprises:
Aluminum alloy materials after rolling is heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min, and insulation used quench liquid to be quickly cooled to room temperature after 2-30 minute;
In aluminum alloy materials 10 minutes after being cooled to room temperature, carry out stretch-bend leveller and handle;
Aluminum alloy materials after the processing of drawn bending straightening is heated to 300 ℃-450 ℃ with rolling or chip in box air furnace; And after insulation 1-3 is individual hour; Speed of cooling per hour to be less than or equal to 28 ℃ is cooled to room temperature with said aluminum alloy materials, obtains O state aluminium alloy sheet material.
Can find out that from above technical scheme the embodiment of the invention has the following advantages:
Through being heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min through the aluminum alloy materials after rolling; And be incubated 2-30 minute; Can make the aluminum alloy plate materials after the processing have the O condition mechanical performance, its matrix and coating layer have evenly, tiny recrystallized structure; And handle through cooled aluminum alloy materials being carried out stretch-bend leveller; Can effectively eliminate the inner inhomogeneous unrelieved stress of this aluminum alloy materials, make that producing the O state aluminium alloy sheet material that obtains has excellent processability, and then make and utilize the skin panel of this O state aluminium alloy sheet material manufacturing to have good performance.
Description of drawings
Fig. 1 is a synoptic diagram of the working method of a kind of O state aluminium alloy sheet material in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of working method of O state aluminium alloy sheet material; This O state aluminium alloy sheet material can be used for making the aircraft skin plate, and the matrix of this O state aluminium alloy sheet material and coating layer have evenly tiny recrystallized structure, material internal residual stress little, have a good processability simultaneously.
See also Fig. 1, the embodiment for a kind of working method of O state aluminium alloy sheet material in the embodiment of the invention comprises:
101, the aluminum alloy materials after rolling is heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min, and after insulation 2-30 minute, uses quench liquid to be quickly cooled to room temperature;
In embodiments of the present invention; What processing O state aluminium alloy sheet material used is aluminum alloy materials, needs earlier aluminum alloy materials to be carried out ingot casting and rolling, the aluminum alloy materials after rolling is being placed continuous air heat-treating machine row; And this aluminum alloy materials is heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min; After reaching preset temperature value, be incubated 2-30 minute, through rapid heating and isothermal treatment for short time; Can effectively eliminate the cold deformation energy storage of this aluminum alloy materials, and can make the matrix of this aluminum alloy materials and coating layer form evenly tiny recrystallized structure.
In embodiments of the present invention, after soaking time finished, the aluminum alloy materials that uses quench liquid will be in the condition of high temperature was quickly cooled to room temperature.
102, in aluminum alloy materials 10 minutes after being cooled to room temperature, carry out stretch-bend leveller and handle;
In embodiments of the present invention; In aluminum alloy materials 10 minutes after being cooled to room temperature; Utilize roll-type stretching-bending straightener row to carry out stretch-bend leveller; Can effectively eliminate the inner inhomogeneous unrelieved stress of this aluminum alloy materials, make that generating the O state aluminium alloy sheet material that obtains has good processability, not yielding in part processing.
103, the aluminum alloy materials after the processing of drawn bending straightening is heated to 300 ℃-450 ℃ with rolling or chip in box air furnace; And after insulation 1-3 is individual hour; Speed of cooling per hour to be less than or equal to 28 ℃ is cooled to room temperature with aluminum alloy materials, obtains O state aluminium alloy sheet material.
In embodiments of the present invention; Aluminum alloy materials after also need the drawn bending straightening being handled is heated to 300 ℃-450 ℃ in box air furnace, and is incubated 1-3 hour, after soaking time finishes; With the speed of cooling that per hour is less than or equal to 28 ℃ aluminum alloy materials is cooled to room temperature again; Cooled aluminum alloy materials is the O state aluminium alloy sheet material with O state performance, need to prove, this O state aluminium alloy sheet material can be processed into the aircraft skin plate.
In embodiments of the present invention; Through the aluminum alloy materials after rolling is carried out the processing of rapid heating and isothermal treatment for short time, can effectively eliminate the deformation energy of this aluminum alloy materials, and the matrix of the O state aluminium alloy sheet material of make producing has even tiny recrystallized structure with coating layer; Simultaneously through aluminum alloy materials being carried out the processing of belt tension leveling; Make the O state aluminium alloy sheet material of producing have good processability, not yielding in the part processing process, therefore; Advantages such as the skin panel that uses such O state aluminium alloy sheet material processing to obtain also will have matrix and coating layer and have evenly tiny crystal structure, and will be not yielding.
More than the working method of a kind of O state aluminium alloy sheet material provided by the present invention has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. the working method of an O state aluminium alloy sheet material is characterized in that, comprising:
Aluminum alloy materials after rolling is heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min, and insulation used quench liquid to be quickly cooled to room temperature after 2-30 minute;
In aluminum alloy materials 10 minutes after being cooled to room temperature, carry out stretch-bend leveller and handle;
Aluminum alloy materials after the processing of drawn bending straightening is heated to 300 ℃-450 ℃ with rolling or chip in box air furnace; And insulation is after 1-3 hour; Speed of cooling per hour to be less than or equal to 28 ℃ is cooled to room temperature with said aluminum alloy materials, obtains O state aluminium alloy sheet material.
2. according to the method described in the claim 1, it is characterized in that, said aluminum alloy materials after rolling is heated to 300 ℃-400 ℃ with the rate of heating of 150 ℃/min-300 ℃/min, and insulation was used quench liquid to be quickly cooled to room temperature and is comprised after 2-30 minute:
Aluminum alloy materials after rolling is placed continuous air heat-treating machine row, with the rate of heating of 150 ℃/min-300 ℃/min said aluminum alloy materials is heated to 300 ℃-400 ℃, and insulation used quench liquid to be quickly cooled to room temperature after 2-30 minute.
3. method according to claim 1 is characterized in that, the said stretch-bend leveller that carries out is handled and to be comprised:
Utilizing roll-type stretching-bending straightener row to carry out stretch-bend leveller handles.
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| CN2011103260806A CN102383074A (en) | 2011-10-24 | 2011-10-24 | Processing method for O-state aluminium alloy boards |
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| CN2011103260806A CN102383074A (en) | 2011-10-24 | 2011-10-24 | Processing method for O-state aluminium alloy boards |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912266A (en) * | 2012-10-15 | 2013-02-06 | 西南铝业（集团）有限责任公司 | Method for manufacturing aluminum alloy plates or aluminum alloy coils |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04358047A (en) * | 1991-06-04 | 1992-12-11 | Mitsubishi Alum Co Ltd | Production of aluminum alloy sheet |
| EP1021582A1 (en) * | 1997-09-11 | 2000-07-26 | Nippon Light Metal, Co. Ltd. | Process for producing an aluminum alloy sheet |
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
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2011
- 2011-10-24 CN CN2011103260806A patent/CN102383074A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04358047A (en) * | 1991-06-04 | 1992-12-11 | Mitsubishi Alum Co Ltd | Production of aluminum alloy sheet |
| EP1021582A1 (en) * | 1997-09-11 | 2000-07-26 | Nippon Light Metal, Co. Ltd. | Process for producing an aluminum alloy sheet |
| CN1269844A (en) * | 1997-09-11 | 2000-10-11 | 日本轻金属株式会社 | Process for producing aluminium alloy sheet |
| EP1021582B1 (en) * | 1997-09-11 | 2004-11-03 | Nippon Light Metal, Co. Ltd. | Process for producing an aluminum alloy sheet |
| CN102080174A (en) * | 2010-12-17 | 2011-06-01 | 东北轻合金有限责任公司 | Production method of high Mg-Al alloy plate |
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| 《国外轻金属》 19801231 高革 译 铝合金带材的连续热处理及精整 图1，第45页 , 第3期 * |
| 《轻合金加工技术》 20051231 马运安等 改善5052 合金软状态板材深冲性能的工艺革新 第33卷, 第7期 * |
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| 马运安等: "改善5052 合金软状态板材深冲性能的工艺革新", 《轻合金加工技术》 * |
| 高革 译: "铝合金带材的连续热处理及精整", 《国外轻金属》 * |
| 魏长传 主编: "《铝及铝合金管材的生产 第1版》", 31 December 2010 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912266A (en) * | 2012-10-15 | 2013-02-06 | 西南铝业（集团）有限责任公司 | Method for manufacturing aluminum alloy plates or aluminum alloy coils |
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Application publication date: 20120321 |