CN101649433A - Method for processing aluminum alloy plates - Google Patents
Method for processing aluminum alloy plates Download PDFInfo
- Publication number
- CN101649433A CN101649433A CN200910158486A CN200910158486A CN101649433A CN 101649433 A CN101649433 A CN 101649433A CN 200910158486 A CN200910158486 A CN 200910158486A CN 200910158486 A CN200910158486 A CN 200910158486A CN 101649433 A CN101649433 A CN 101649433A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- alloy plate
- plate materials
- quenching
- working method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Metal Rolling (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention provides a method for processing aluminum alloy plates, comprising the following steps: quenching the aluminum alloy plates; applying 0.8-1.2 percent of compressive deformation to the quenched aluminum alloy plates in a thickness direction; and performing time effect treatment on the aluminum alloy plates after compressive deformation. Compared with the prior art, the invention applies a small amount of compressive deformation after quenching the aluminum alloy plate so as to improve the yield strength. When the compressive deformation amount is ranges from 0.8 percent to 1.2 percent, the yield strength is improved and favorable extension rate is maintained, and if the compressive deformation amount is greater than 2 percent, the yield strength is improved, while the extension rate and the plasticity of the aluminum alloy plates are reduced.
Description
Technical field
The present invention relates to the processing of aluminium alloy, be specifically related to a kind of working method of aluminium alloy plate.
Background technology
The Al-Cu alloy that a kind of copper content of 2219 aluminium alloys is higher belongs to heat-treatable strengthened alloy.Because 2219 aluminum alloy plate materials are owing to good mechanical performance, fracture toughness property and anti-stress corrosion performance are widely used in aerospace industry.2219 aluminum alloy plate materials adopt the T6 treatment process to improve performance usually, and described T6 handles and is meant when producing 2219 aluminum alloy plate materials, after the quenching of employing routine, carries out the performance that artificially aged technology improves 2219 aluminum alloy plate materials.
In the prior art, when producing 2219 aluminum alloy plate materials, conventional T6 technology is difficult to reach standard-required sometimes.In order further to improve the performance of 2219 aluminum alloy plate materials, people consider that the copper content that improves 2219 aluminium alloys improves performance, yet improve the significantly increase that copper alloy content not only causes cost, reduce its corrosion resistance nature and processing characteristics simultaneously.In addition, also the someone proposes to improve 2219 thermal treatment technology of aluminum alloy, promptly provides the performance of 2219 aluminum alloy plate materials by improving quenching or artificially aged technology.Experimental result shows that after 2219 aluminium alloys of stable components improved thermal treatment process at present, still in the scope lower limit fluctuation of relevant industry standard, promptly thermal treatment process was proved to be the performance that can not obviously improve 2219 aluminum alloy plate materials to performance.
Chinese patent 200710072139.7 discloses a kind of aviation aluminum alloy pre-stretching plate and production method thereof.In the method for this patent disclosure, comprise step: the aluminium alloy woolen cloth is quenched under 468 ℃～472 ℃ condition, be that 1.5～3.0% parameter carry out preliminary draft to woolen cloth according to amount of tension with drawing machine in 4～6 hours after quenching, and be 115 ℃～125 ℃ in temperature, soaking time is to carry out ageing treatment for the woolen cloth after stretching under 14～18 hours the condition.The problem that this patent solves be sheet material in the quick cooling process of quenching, the speed of cooling of the upper layer of sheet material and the central core of sheet material is inconsistent, and makes plate surface and center produce unrelieved stress, thus the problem of generation machining deformation.Yet the method for this patent disclosure can not solve the problem of the performance that improves 2219 aluminum alloy plate materials.
Therefore, need a kind of working method that can improve the aluminum alloy plate materials performance.
Summary of the invention
The technical problem that the present invention solves is, a kind of working method of aluminum alloy plate materials is provided, and reaches the mechanical property that improves aluminum alloy plate materials.
In order to solve the problems of the technologies described above, the invention provides a kind of working method of aluminum alloy plate materials, comprise step:
Aluminum alloy plate materials is quenched;
Aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction;
Aluminum alloy plate materials after the compression set is carried out ageing treatment.
Preferably, the aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction.
Preferably, described aluminum alloy plate materials is 2219 aluminum alloy plate materials.
Preferably, the temperature of described quenching is 500 ℃～560 ℃.
Preferably, the temperature of described quenching is 520 ℃～550 ℃.
Preferably, the soaking time of described quenching is 60min～150min.
Preferably, the temperature of described ageing treatment is 150 ℃～200 ℃.
Preferably, the time of described ageing treatment is 12 hours～24 hours.
Preferably, described aluminium alloy being applied compression set carries out at ambient temperature.
Preferably, the thickness of described aluminum alloy plate materials is 9mm～11mm.
The invention provides a kind of working method of aluminum alloy plate materials.After the present invention earlier quenches aluminum alloy plate materials, the aluminum alloy plate materials after quenching after applying 0.8%～1.2% compression set on the thickness direction, is carried out ageing treatment again.。Compared with prior art, the present invention to its compression set that applies the small deformation amount, is used to improve its yield strength after aluminum alloy plate materials is quenched, when compress variation is 0.8%～1.2%, not only help improving its yield strength, but also can keep good unit elongation, if compress variation reaches 2% when above, though also can improve yield strength, but unit elongation descends, and that is to say, the plasticity of aluminum alloy plate materials descends.
Description of drawings
Fig. 1 is the schema to the aluminium alloy plate material processing method provided by the invention.
Embodiment
See also Fig. 1, the schema for an embodiment of aluminium alloy plate material processing method provided by the invention comprises:
A) quench treatment: aluminum alloy plate materials is quenched;
B) compression set: the aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction;
C) ageing treatment: the aluminum alloy plate materials after the compression set is carried out ageing treatment.
According to the present invention, it is 2219 aluminium alloy that described aluminum alloy plate materials is preferably the trade mark well known to those skilled in the art, and 2219 aluminium alloy main components comprise: the Si of≤0.2wt% (weight percent) ,≤Mn of the Fe of 0.3wt%, the Cu of 5.8wt%～6.8wt%, 0.2wt%～0.4wt% ,≤Mg of 0.02wt% ,≤V, the Al of surplus of Ti, the 0.05wt%～0.15wt% of Zn, 0.20wt～0.10 of 0.1wt%.
According to the present invention, after 2219 aluminium alloys are cast aluminium alloy cast ingot, rolling described aluminium alloy cast ingot forms aluminum alloy plate materials, describedly rollingly comprises the one or many hot rolling, and cold rolling after single hot-roll or in cold rolling between the hot rolling repeatedly or repeatedly cold rolling after the hot rolling.For hot-rolled temperature, be preferably at least 400 ℃, preferred, hot-rolled temperature is 420 ℃～500 ℃.According to the present invention, the thickness of described aluminum alloy plate materials is preferably 8mm～12mm, and is preferred, and the thickness of described aluminum alloy plate materials is 9mm～11mm, and is preferred, and the thickness of described aluminum alloy plate materials is 10mm.
After the aluminum alloy obtains aluminum alloy plate materials, aluminum alloy plate materials is carried out quench treatment.For quenching temperature, be preferably 500 ℃～560 ℃, more preferably 510 ℃～550 ℃, more preferably 520 ℃～540 ℃, more preferably 530 ℃～540 ℃.Soaking time during for quenching is preferably 60min～150min, more preferably 70min～140min, more preferably 80min～120min.After the insulation, for the method for cooling of quenching, the present invention does not have special restriction, can be oil cooling or water-cooled.
After the quenching, in order to improve the final intensity of aluminum alloy plate materials, the invention provides the aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction, preferred, the aluminium alloy after quenching is applied 1% compression set on thickness direction.For the temperature that applies the distortion distortion, preferably at room temperature to carry out, the temperature that promptly keeps aluminium alloy plate applies cold compression and deformation to it then in room temperature on thickness direction.For the method and apparatus that applies cold compression and deformation, the present invention is without particular limitation, preferably carries out on milling train.
After aluminium alloy after quenching applied cold compression and deformation, aluminium alloy is carried out ageing treatment.During ageing treatment,, be preferably 150 ℃～200 ℃ for the temperature of ageing treatment, more preferably 160 ℃～190 ℃, more preferably 160 ℃～180 ℃, more preferably 160 ℃～170 ℃.Soaking time during for ageing treatment is preferably at least 10 hours, and more preferably 12 hours～24 hours, more preferably 14 hours～20 hours.Ageing treatment of the present invention is meant and well known to those skilled in the art aluminium alloy after the cold deformation is heated to the operation that certain temperature is incubated.
After aluminium alloy after quenching applied the cold compression and deformation of small deformation amount, in follow-up ageing treatment process, help improving the aluminum alloy plate materials performance after the ageing treatment.
In order further to understand the present invention, the preparation method to aluminium plate provided by the invention is described below in conjunction with embodiment and comparative example.But should be appreciated that these describe just to further specifying feature and advantage of the present utility model, rather than to the restriction of the utility model claim.
Embodiment 1
A) get 2219 aluminum alloy plate materials that thickness is 10mm;
B) described aluminum alloy plate materials is quenched, the temperature during quenching is 535 ℃, and soaking time is 90min, and the type of cooling is a water-cooled;
C) get aluminum alloy plate materials totally 4 samples after the quenching, respectively at ambient temperature, on thickness direction, apply 1%, 2%, 2.5%, 3% compression set;
D) to the aluminum alloy plate materials ageing treatment after the compression set, the temperature during ageing treatment is 167 ℃, and soaking time is 16 hours.
After the ageing treatment, measure the aluminum alloy plate materials performance of described 5 samples and list in table 1.
The The performance test results of aluminum alloy plate materials among table 1 embodiment 1 under the different distortion rate
Comparative example 1
A) get 2219 aluminum alloy plate materials that thickness is 10mm;
B) described aluminum alloy plate materials is quenched, the temperature during quenching is 535 ℃, and soaking time is 90min, and the type of cooling is a water-cooled;
D) to the aluminum alloy plate materials ageing treatment after quenching, the temperature during ageing treatment is 167 ℃, and soaking time is 16 hours.After the ageing treatment, carry out performance test: yield strength is that 305MPa, tensile strength are that 440MPa, unit elongation are 14%.
The experimental result of embodiment 1 and comparative example 1 shows, the aluminum alloy plate materials after quenching is applied the compression set of small deformation amount after, yield strength is significantly improved.When deflection is 1%, not only helps improving its yield strength, but also can keep good unit elongation, if compress variation reaches 2% when above, though also can improve yield strength, unit elongation descends, that is to say that the plasticity of aluminum alloy plate materials descends.
Embodiment 2
A) get 2219 aluminum alloy plate materials that thickness is 10mm;
B) described aluminum alloy plate materials is quenched, the temperature during quenching is that 540 ℃ of soaking times are 90min, and the type of cooling is a water-cooled;
C) get aluminum alloy plate materials totally 4 samples after the quenching, respectively at ambient temperature, on thickness direction, apply 0.8%, 1.2%, 2.5%, 3% compression set;
D) to the aluminum alloy plate materials ageing treatment after the compression set, the temperature during ageing treatment is 172 ℃, and soaking time is 16 hours.
After the ageing treatment, measure the aluminum alloy plate materials performance of described 5 samples and list in table 2.
The The performance test results of aluminum alloy plate materials among table 2 embodiment 2 under the different distortion rate
Comparative example 2
A) get 2219 aluminum alloy plate materials that thickness is 10mm;
B) described aluminum alloy plate materials is quenched, the temperature during quenching is 540 ℃, and soaking time is 90min, and the type of cooling is a water-cooled;
D) to the aluminum alloy plate materials ageing treatment after quenching, the temperature during ageing treatment is 172 ℃, and soaking time is 16 hours.After the ageing treatment, carry out performance test: yield strength is that 305MPa, tensile strength are that 440MPa, unit elongation are 14%.
The experimental result of embodiment 2 and comparative example 2 shows, the aluminum alloy plate materials after quenching is applied the compression set of small deformation amount after, yield strength is significantly improved.When deflection is about 1%, not only helps improving its yield strength, but also can keep good unit elongation, if compress variation reaches 2% when above, though also can improve yield strength, unit elongation descends, that is to say that the plasticity of aluminum alloy plate materials descends.
More than the working method of aluminum alloy plate materials provided by the invention is described in detail, gone detailed introduction.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1, a kind of working method of aluminum alloy plate materials comprises step:
Aluminum alloy plate materials is quenched;
Aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction;
Aluminum alloy plate materials after the compression set is carried out ageing treatment.
2, working method according to claim 1 is characterized in that, the aluminum alloy plate materials after quenching is applied 0.8%～1.2% compression set on thickness direction.
3, working method according to claim 1 and 2 is characterized in that, described aluminum alloy plate materials is 2219 aluminum alloy plate materials.
4, working method according to claim 3 is characterized in that, the temperature of described quenching is 500 ℃～560 ℃.
5, working method according to claim 4 is characterized in that, the temperature of described quenching is 520 ℃～550 ℃.
6, working method according to claim 5 is characterised in that, the soaking time of described quenching is 60min～150min.
7, working method according to claim 3 is characterized in that, the temperature of described ageing treatment is 150 ℃～200 ℃.
8, working method according to claim 7 is characterized in that, the time of described ageing treatment is 12 hours～24 hours.
9, working method according to claim 3 is characterized in that, described aluminium alloy is applied compression set carry out at ambient temperature.
10, working method according to claim 3 is characterized in that, the thickness of described aluminum alloy plate materials is 9mm～11mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101584860A CN101649433B (en) | 2009-07-10 | 2009-07-10 | Method for processing aluminum alloy plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101584860A CN101649433B (en) | 2009-07-10 | 2009-07-10 | Method for processing aluminum alloy plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101649433A true CN101649433A (en) | 2010-02-17 |
| CN101649433B CN101649433B (en) | 2012-11-21 |
Family
ID=41671756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101584860A Active CN101649433B (en) | 2009-07-10 | 2009-07-10 | Method for processing aluminum alloy plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101649433B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469129A (en) * | 2013-08-30 | 2013-12-25 | 天津大学 | Aging heat treatment method of 2219 aluminum alloy |
| CN103589978A (en) * | 2013-11-22 | 2014-02-19 | 天津大学 | Method for determining deformation heat treatment conditions for improving 2219 aluminium alloy performance |
| CN105603337A (en) * | 2015-12-24 | 2016-05-25 | 西南铝业（集团）有限责任公司 | Method for preparing alloy pre-stretched plates |
| CN105970129A (en) * | 2016-07-05 | 2016-09-28 | 中国航空工业集团公司北京航空材料研究院 | Low-stress manufacturing process for eliminating anisotropism of 2A12 aluminum alloy forging |
| CN108754363A (en) * | 2018-06-22 | 2018-11-06 | 中南大学 | Regulate and control the method for aluminium alloy element stress relaxation behavior |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2415202B (en) * | 2003-04-10 | 2007-08-29 | Corus Aluminium Walzprod Gmbh | An Al-Zn-Mg-Cu alloy |
| CA2627070C (en) * | 2005-10-25 | 2014-07-29 | Aleris Aluminum Koblenz Gmbh | Al-cu-mg alloy suitable for aerospace application |
-
2009
- 2009-07-10 CN CN2009101584860A patent/CN101649433B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469129A (en) * | 2013-08-30 | 2013-12-25 | 天津大学 | Aging heat treatment method of 2219 aluminum alloy |
| CN103589978A (en) * | 2013-11-22 | 2014-02-19 | 天津大学 | Method for determining deformation heat treatment conditions for improving 2219 aluminium alloy performance |
| CN105603337A (en) * | 2015-12-24 | 2016-05-25 | 西南铝业（集团）有限责任公司 | Method for preparing alloy pre-stretched plates |
| CN105970129A (en) * | 2016-07-05 | 2016-09-28 | 中国航空工业集团公司北京航空材料研究院 | Low-stress manufacturing process for eliminating anisotropism of 2A12 aluminum alloy forging |
| CN108754363A (en) * | 2018-06-22 | 2018-11-06 | 中南大学 | Regulate and control the method for aluminium alloy element stress relaxation behavior |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101649433B (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101649433B (en) | Method for processing aluminum alloy plates | |
| CN102321836B (en) | Method for preparing high-strength heat-resistant magnesium alloy sheet | |
| CN104988441B (en) | A kind of manufacture method eliminating 5754 aluminium alloy plate surface luders bands | |
| CN110904369A (en) | High-performance cast Al-Si-Mg-Er alloy | |
| CN113061820B (en) | Strengthening and toughening treatment process of ZL205A aluminum alloy | |
| CN105886976A (en) | Heat mechanical treatment technology for improving comprehensive performance of aluminum alloy | |
| CN112458344B (en) | High-strength corrosion-resistant aluminum alloy and preparation method and application thereof | |
| CN107267822A (en) | A kind of anticorrosion aluminium door and window and its preparation technology | |
| JP2017534757A (en) | Isotropic sheet metal made of aluminum-copper-lithium alloy for aircraft fuselage manufacturing. | |
| CN108977689B (en) | Metastable beta titanium alloy plate and processing method thereof | |
| CN110714147A (en) | 6082 aluminum alloy plate for aviation and production process thereof | |
| CN107338379A (en) | A kind of magnesium Tin-zinc-aluminium manganese wrought magnesium alloy and preparation method thereof | |
| JP4372827B1 (en) | Manufacturing method of magnesium alloy material | |
| CN101580920B (en) | Method for manufacturing aluminum foil | |
| CN106939388A (en) | A kind of high strength and low cost high-ductility isotropism Mg Zn y alloys and preparation method thereof | |
| CN104372270A (en) | Processing method of 2A12 aluminum alloy plate | |
| CN113913660B (en) | Method for preparing magnesium alloy plate by hot-cold alternative rolling | |
| CN108193101B (en) | Er, Zr and Si microalloyed Al-Mg-Cu alloy and thermomechanical treatment process thereof | |
| CN104372269A (en) | Processing method of 2024 aluminum alloy board | |
| CN108774697A (en) | A kind of aluminium section bar and its processing method and application | |
| CN104357774A (en) | Processing method of 2124 aluminum alloy plate | |
| CN111270175B (en) | Preparation process of high-strain-rate superplastic rare earth magnesium alloy | |
| CN103667819A (en) | CTP plate base and preparation method thereof | |
| CN203556636U (en) | Aluminium-silicon alloy rolling system | |
| CN110802125B (en) | Preparation method of magnesium alloy bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |