CN117089748A - Preparation method of high-elongation aluminum alloy material - Google Patents
Preparation method of high-elongation aluminum alloy material Download PDFInfo
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- CN117089748A CN117089748A CN202311144200.XA CN202311144200A CN117089748A CN 117089748 A CN117089748 A CN 117089748A CN 202311144200 A CN202311144200 A CN 202311144200A CN 117089748 A CN117089748 A CN 117089748A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 41
- 239000000956 alloy Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 15
- 230000032683 aging Effects 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 11
- 238000000137 annealing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052758 niobium Inorganic materials 0.000 abstract description 5
- 229910052715 tantalum Inorganic materials 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
A preparation method of a high-elongation aluminum alloy material. The invention ensures the necessary strength and use requirement of the aluminum alloy by proper elements such as Mg, si, zn, mn and the like. Nb and Ta are added into the aluminum alloy system to improve the elongation of the aluminum alloy material, and when the Nb and Ta are added simultaneously, the elongation performance is improved obviously, and in addition, the elongation of the aluminum alloy can be further improved by adopting liquid nitrogen to carry out cryogenic treatment on the aluminum alloy. In order to promote the recycling of resources, the aluminum alloy material can be prepared from the recycled aluminum.
Description
Technical Field
The invention relates to the field of aluminum alloy, in particular to a preparation method of a high-elongation aluminum alloy material.
Background
The aluminum element belongs to active metal, and the addition of proper amount of Cu, mn, si, mg and other alloy elements to aluminum can change the structure of aluminum, so that the aluminum alloy is an effective way for improving the strength, and the strength is improved and the excellent characteristics of pure aluminum are maintained due to the strengthening effect of the alloy elements.
Elongation is the ratio of the total deformation of the gauge length after tensile fracture of the sample to the original gauge length, and can be used to measure the shaping performance of the material. With the development of national economy, aluminum alloy materials with high elongation rate are required to be used for casting parts such as machinery, doors, windows, guardrails and the like. Based on this, there is an urgent need to design an aluminum alloy material having a high elongation.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a preparation method of an aluminum alloy material with high elongation.
The invention provides a preparation method of a high-elongation aluminum alloy material, which is characterized by comprising the following steps:
taking 3-4 parts by weight of Mg, 2.5-2.9 parts by weight of Si, 1.2-1.5 parts by weight of Mn, 2.5-2.8 parts by weight of Zn, 1.2-4.6 parts by weight of Nb and 3.6-4.2 parts by weight of Ta by 100 parts by weight of Al, putting into a resistance furnace, heating, melting and preserving heat for 2-2.5 hours, and carrying out electromagnetic stirring at a speed of 350-380r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5-6h at 520-550 ℃, then placing into a resistance furnace, carrying out solution treatment for 10-12h at 500-510 ℃, and naturally aging for 72-75h to obtain the aluminum alloy material.
Preferably, the Nb is 2.5 parts by weight.
Preferably, the Ta is 3.8 parts by weight.
Preferably, the solution treatment is for about 12 hours.
Preferably, the treatment time for natural aging is 72 hours.
Preferably, the Al is recycled aluminum.
The invention ensures the necessary strength and use requirement of the aluminum alloy by proper elements such as Mg, si, zn, mn and the like. Nb and Ta are added into the aluminum alloy system to improve the elongation of the aluminum alloy material, and when the Nb and Ta are added simultaneously, the elongation performance is improved obviously, and in addition, the elongation of the aluminum alloy can be further improved by adopting liquid nitrogen to carry out cryogenic treatment on the aluminum alloy. In order to promote the recycling of resources, the aluminum alloy material can be prepared from the recycled aluminum.
Detailed Description
The technical effects of the present invention are verified by the following specific examples, but the embodiments of the present invention are not limited thereto.
Example 1
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn, 1.2 parts by weight of Nb and 3.6 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Example 2
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn, 2.5 parts by weight of Nb and 3.8 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Example 3
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn, 3.0 parts by weight of Nb and 3.5 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Example 4
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn, 4.6 parts by weight of Nb and 4.2 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Example 5
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn, 2.5 parts by weight of Nb and 3.8 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then placing the ceramic filter screen into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, naturally aging for 72 hours to obtain an aluminum alloy material, finally soaking the aluminum alloy material into liquid nitrogen at-196 ℃ for carrying out cryogenic treatment, and taking out the aluminum alloy material after 90 minutes of treatment.
Comparative example 1
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn and 6.3 parts by weight of Nb are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Comparative example 2
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn, 2.5 parts by weight of Zn and 6.3 parts by weight of Ta are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
Comparative example 3
100 parts by weight of Al, 3 parts by weight of Mg, 2.5 parts by weight of Si, 1.2 parts by weight of Mn and 2.5 parts by weight of Zn are taken to be put into a resistance furnace, heated and melted and kept for 2 hours, and electromagnetic stirring is carried out at a speed of 350r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5 hours at 550 ℃, then putting into a resistance furnace, carrying out solution treatment for 10 hours at 500 ℃, and naturally aging for 72 hours to obtain the aluminum alloy material.
The elongation of the aluminum alloys of examples 1 to 5 and comparative examples 1 to 3 was evaluated by using a plate-shaped aluminum alloy specimen having a thickness of 3mm, a width of 5mm and a length of 40mm. The test results are shown in Table 1.
TABLE 1
| Numbering device | Elongation/% |
| Example 1 | 15.6 |
| Example 2 | 23.1 |
| Example 3 | 19.2 |
| Example 4 | 18.9 |
| Example 5 | 26.0 |
| Comparative example 1 | 16.1 |
| Comparative example 2 | 14.4 |
| Comparative example 3 | 7.1 |
As can be seen from Table 1, the addition of Nb and Ta to the aluminum alloy system of the invention is beneficial to improving the elongation of the aluminum alloy material, while the improvement of the elongation performance is more obvious when two elements are added at the same time, and in addition, the elongation of the aluminum alloy can be further improved by adopting liquid nitrogen to carry out cryogenic treatment on the aluminum alloy of the invention.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. A method for preparing a high-elongation aluminum alloy material, which is characterized by comprising the following steps:
taking 3-4 parts by weight of Mg, 2.5-2.9 parts by weight of Si, 1.2-1.5 parts by weight of Mn, 2.5-2.8 parts by weight of Zn, 1.2-4.6 parts by weight of Nb and 3.6-4.2 parts by weight of Ta by 100 parts by weight of Al, putting into a resistance furnace, heating, melting and preserving heat for 2-2.5 hours, and carrying out electromagnetic stirring at a speed of 350-380r/min in the heat preservation process; and then filtering and casting through a ceramic filter screen, homogenizing and annealing for 5-6h at 520-550 ℃, then placing into a resistance furnace, carrying out solution treatment for 10-12h at 500-510 ℃, and naturally aging for 72-75h to obtain the aluminum alloy material.
2. The method of claim 1, wherein Nb is 2.5 parts by weight.
3. The production method according to claim 1, wherein Ta is 3.8 parts by weight.
4. The method of claim 1, wherein the solution treatment is performed for a period of about 12 hours.
5. The method of claim 1, wherein the natural aging is performed for 72 hours.
6. The method of claim 1, wherein the Al is a secondary aluminum.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311144200.XA CN117089748B (en) | 2023-09-06 | 2023-09-06 | Preparation method of high-elongation aluminum alloy material |
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| CN202311144200.XA CN117089748B (en) | 2023-09-06 | 2023-09-06 | Preparation method of high-elongation aluminum alloy material |
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| CN117089748A true CN117089748A (en) | 2023-11-21 |
| CN117089748B CN117089748B (en) | 2024-04-26 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06228685A (en) * | 1993-02-01 | 1994-08-16 | Honda Motor Co Ltd | High strength and high ductility tial intermetallic compound and its production |
| US20060198754A1 (en) * | 2005-03-03 | 2006-09-07 | The Boeing Company | Method for preparing high-temperature nanophase aluminum-alloy sheets and aluminum-alloy sheets prepared thereby |
| CN105349852A (en) * | 2015-10-28 | 2016-02-24 | 无棣向上机械设计服务有限公司 | High-strength aluminum alloy |
| CN107034398A (en) * | 2017-05-05 | 2017-08-11 | 安徽省东至县东鑫冲压件有限责任公司 | A kind of high-strength aluminum alloy |
| CN108977708A (en) * | 2018-07-27 | 2018-12-11 | 李明军 | A kind of high-strength corrosion-resisting aluminium alloy castings for new-energy automobile suspension system |
| CN110885941A (en) * | 2019-12-30 | 2020-03-17 | 南京南超模具装备有限公司 | High-toughness aluminum alloy material and preparation method thereof |
| KR20220055603A (en) * | 2020-10-27 | 2022-05-04 | 한국생산기술연구원 | Aluminum alloys and methods of making the same |
-
2023
- 2023-09-06 CN CN202311144200.XA patent/CN117089748B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06228685A (en) * | 1993-02-01 | 1994-08-16 | Honda Motor Co Ltd | High strength and high ductility tial intermetallic compound and its production |
| US20060198754A1 (en) * | 2005-03-03 | 2006-09-07 | The Boeing Company | Method for preparing high-temperature nanophase aluminum-alloy sheets and aluminum-alloy sheets prepared thereby |
| CN105349852A (en) * | 2015-10-28 | 2016-02-24 | 无棣向上机械设计服务有限公司 | High-strength aluminum alloy |
| CN107034398A (en) * | 2017-05-05 | 2017-08-11 | 安徽省东至县东鑫冲压件有限责任公司 | A kind of high-strength aluminum alloy |
| CN108977708A (en) * | 2018-07-27 | 2018-12-11 | 李明军 | A kind of high-strength corrosion-resisting aluminium alloy castings for new-energy automobile suspension system |
| CN110885941A (en) * | 2019-12-30 | 2020-03-17 | 南京南超模具装备有限公司 | High-toughness aluminum alloy material and preparation method thereof |
| KR20220055603A (en) * | 2020-10-27 | 2022-05-04 | 한국생산기술연구원 | Aluminum alloys and methods of making the same |
Non-Patent Citations (1)
| Title |
|---|
| "轻合金加工信息", 轻合金加工技术, no. 07, 20 July 2005 (2005-07-20) * |
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