CN113953351B - Leveling method for quenched aluminum alloy thick plate - Google Patents
Leveling method for quenched aluminum alloy thick plate Download PDFInfo
- Publication number
- CN113953351B CN113953351B CN202111232647.3A CN202111232647A CN113953351B CN 113953351 B CN113953351 B CN 113953351B CN 202111232647 A CN202111232647 A CN 202111232647A CN 113953351 B CN113953351 B CN 113953351B
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- plate
- quenched
- leveling
- unevenness
- 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.)
- Active
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010791 quenching Methods 0.000 claims abstract description 24
- 230000000171 quenching effect Effects 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 238000005098 hot rolling Methods 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 10
- 238000004321 preservation Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a leveling method for quenched aluminum alloy thick plates, belongs to the technical field of aluminum alloy processing, and aims to solve the plate shape problems of easy bending, warping, dead bending, exceeding of unevenness and the like of the quenched aluminum alloy thick plates. The leveling method comprises the following steps: 1. heat preservation and quenching are carried out on the aluminum alloy thick plate; 2. measuring the unevenness of the quenched aluminum alloy plate; 3. the leveled quenched aluminum alloy plate adopts different plate shape correction methods according to different thicknesses and different unevenness. The invention adopts three methods of rolling mill straightening, straightener straightening and stretching to flatten the quenched plate shape of the aluminum alloy thick plate, the processed plate has no plate shape problems such as bending, warping, dead bending, exceeding standard of unevenness and the like, and the plate flatness problem is solved by adopting a rolling mill pass reduction mode. The aluminum alloy plate subjected to the leveling method disclosed by the invention has the transverse unevenness smaller than or equal to 3 mm/full width, the transverse unevenness smaller than or equal to 3 mm/full width after stretching, and the longitudinal unevenness smaller than or equal to 3 mm/full length after stretching.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy processing, and particularly relates to a leveling method of an aluminum alloy thick plate.
Background
The aluminum alloy has low density, high strength, excellent electric conductivity, heat conductivity and corrosion resistance, and is the most widely used nonferrous metal structural material in industry. Has been used in a number of applications in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. The aluminum alloy thick plate is a main supply form in aluminum alloy, and the usage amount of the aluminum alloy thick plate is higher than that of the other aluminum alloy types.
For an aluminum alloy thick plate, particularly an alloy thick plate capable of being strengthened by heat treatment, the problem of plate shape after quenching is always an important problem to be solved, and phenomena such as bending, warping, dead bending, unevenness and the like which are easy to occur after the aluminum alloy thick plate is quenched can influence subsequent machining, so that the problem of plate unevenness is a problem which needs to be solved in the technical field of aluminum machining, and has a very large economic effect on the machining and forming of subsequent aluminum alloy plates.
Disclosure of Invention
The invention provides a leveling method for an aluminum alloy thick plate after quenching, which aims to solve the plate shape problems such as bending, warping, dead bending, exceeding of unevenness and the like which are easy to occur after the aluminum alloy thick plate is quenched.
The leveling method after the aluminum alloy thick plate is quenched is realized according to the following steps:
1. heating the aluminum alloy thick plate to 400-550 ℃, preserving heat, discharging from the furnace, and quenching to obtain a quenched aluminum alloy plate;
2. measuring the unevenness (0-10 mm/m) of the quenched aluminum alloy plate;
3. the quenched aluminum alloy plate to be leveled adopts the following plate shape correction method according to the difference of thickness and unevenness:
(1) For the quenched aluminum alloy plate, when the transverse unevenness is less than or equal to 3.5 mm/full width, directly stretching by a stretcher;
(2) For the thickness of the quenched aluminum alloy plate is less than or equal to 40.0mm, when the transverse unevenness is more than 3.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the quenched aluminum alloy plate by adopting a stretching machine;
(3) For the thickness of the plate which is more than 40.0mm and less than 50.0mm, when the transverse unevenness is more than 3.5 mm/full width and less than or equal to 4.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the aluminum alloy plate by adopting a stretching machine; when the transverse unevenness is more than 4.5 mm/full width, the quenched aluminum alloy plate is leveled by a hot rolling mill and then is subjected to stretching treatment, and the rolling leveling is performed for 2-3 passes, which is based on the leveling;
(4) And when the transverse unevenness is more than 3.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and the rolling leveling is performed for 2-4 passes.
The aluminum alloy plate has transverse unevenness smaller than or equal to 3 mm/full width, and the stretched longitudinal unevenness smaller than or equal to 3 mm/full length after being quenched by the flattening method of the aluminum alloy thick plate.
The leveling method after the aluminum alloy thick plate is quenched has the following beneficial effects:
1. the leveling method for the quenched aluminum alloy thick plate adopts three methods of rolling mill straightening, straightener straightening and stretching to level the quenched aluminum alloy thick plate, the processed plate has no plate shape problems of bending, warping, dead bending, uneven degree exceeding standard and the like, and the rolling mill pass reduction mode is utilized to solve the plate flatness problem, so that the aluminum alloy thick plate with qualified plate shape flatness is obtained.
2. According to the leveling method for the quenched aluminum alloy thick plate, different plate shape correction schemes are adopted according to the difference of thickness and unevenness, and the prepared aluminum alloy plate with qualified flatness can be used in the fields of national defense, aerospace, transportation and the like.
The leveling method after the aluminum alloy thick plate is quenched is used for obtaining the aluminum alloy thick plate with qualified flatness of the plate shape.
Drawings
FIG. 1 is a photograph of a sheet after quenching of an aluminum alloy thick plate;
fig. 2 is a photograph of a plate subjected to a leveling treatment after quenching of the aluminum alloy prepared in example one.
Detailed Description
The first embodiment is as follows: the leveling method after the aluminum alloy thick plate is quenched in the embodiment is implemented according to the following steps:
1. heating the aluminum alloy thick plate to 400-550 ℃, preserving heat, discharging from the furnace, and quenching to obtain a quenched aluminum alloy plate;
2. measuring the unevenness (0-10 mm/m) of the quenched aluminum alloy plate;
3. the quenched aluminum alloy plate to be leveled adopts the following plate shape correction method according to the difference of thickness and unevenness:
(1) For the quenched aluminum alloy plate, when the transverse unevenness is less than or equal to 3.5 mm/full width, directly stretching by a stretcher;
(2) For the thickness of the quenched aluminum alloy plate is less than or equal to 40.0mm, when the transverse unevenness is more than 3.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the quenched aluminum alloy plate by adopting a stretching machine;
(3) For the thickness of the plate which is more than 40.0mm and less than 50.0mm, when the transverse unevenness is more than 3.5 mm/full width and less than or equal to 4.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the aluminum alloy plate by adopting a stretching machine; when the transverse unevenness is more than 4.5 mm/full width, the quenched aluminum alloy plate is leveled by a hot rolling mill and then is subjected to stretching treatment, and the rolling leveling is performed for 2-3 passes, which is based on the leveling;
(4) And when the transverse unevenness is more than 3.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and the rolling leveling is performed for 2-4 passes.
The quenched sheet material according to this embodiment is required to be straightened within 24 hours after being discharged from the furnace, and stretched by a stretching machine within 48 hours.
In the third step of the embodiment, the technological parameters of the hot rolling mill are controlled to reduce the thickness by 0.5-2mm each time.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is that in the first step, the aluminum alloy thick plate material is heated in the roller hearth quenching furnace.
And a third specific embodiment: this embodiment differs from one or both of the embodiments in that the aluminum alloy slab material described in step one is a 6XXX series alloy slab material, a 2XXX series alloy, or a 7XXX series alloy.
The specific embodiment IV is as follows: the difference between the embodiment and the embodiment one to three is that the aluminum alloy thick plate in the step one is heated to 450-550 ℃.
Fifth embodiment: the difference between the present embodiment and the fourth embodiment is that the heat-retaining time is 10 to 16 hours.
Specific embodiment six: the difference between the present embodiment and one to fifth embodiments is that the thickness of the thick aluminum alloy plate material in the first step is 10 to 100mm.
Seventh embodiment: this embodiment differs from one of the first to sixth embodiments in that in the second step, the unevenness of the aluminum alloy sheet after quenching is measured with a flat ruler.
Eighth embodiment: the difference between the embodiment and one of the specific embodiments is that in the third step, when the transverse unevenness is more than 4.5 mm/full width, the aluminum alloy plate after quenching is leveled by a hot rolling mill and then is subjected to stretching treatment, and the rolling leveling is performed for 2 passes.
Detailed description nine: the present embodiment differs from one to eight of the specific embodiments in that the rolling temperature for leveling in the third step using a hot rolling mill is 20 to 30 ℃.
Detailed description ten: the difference between the embodiment and one of the specific embodiments is that in the third step, the thickness of the quenched aluminum alloy plate is more than or equal to 50.0mm, when the transverse unevenness is more than 3.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and the rolling leveling is performed for 3 passes.
Embodiment one: the leveling method of the quenched aluminum alloy thick plate is implemented according to the following steps:
1. heating a 6XXX series aluminum alloy thick plate to 500 ℃ in a roller hearth quenching furnace, preserving heat for 10 hours, discharging and quenching to obtain a quenched aluminum alloy plate;
2. measuring the unevenness of the quenched aluminum alloy plate by using a flat ruler;
3. the quenched aluminum alloy plate to be leveled adopts the following plate shape correction method according to the difference of thickness and unevenness:
(1) For the aluminum alloy plate with the thickness of 35mm after quenching, when the transverse unevenness is 3.5 mm/full width, directly stretching by a stretcher, wherein the transverse unevenness can reach 2 mm/full width after stretching;
(2) For the thickness of the quenched aluminum alloy plate is 35mm, when the transverse unevenness is 4.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the quenched aluminum alloy plate by adopting a stretching machine, wherein the transverse unevenness can reach 1 mm/full width after stretching;
(3) For the quenched aluminum alloy plate with the thickness of 45mm, when the transverse unevenness is 5 mm/full width, the quenched aluminum alloy plate is straightened by a straightening machine and then is stretched by a stretching machine, and the transverse unevenness after stretching can reach 1 mm/full width; when the transverse unevenness is 6 mm/full width, the quenched aluminum alloy plate is leveled by a hot rolling mill and then is stretched, and 2 rounds of rolling leveling treatment are needed, so that the leveling is standard; stretching by a stretcher; the transverse unevenness after stretching can reach 1 mm/full width;
(4) For the quenched aluminum alloy plate with the thickness of 70mm, when the transverse unevenness is 5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and 3 rounds of rolling leveling treatment are needed to be performed, so that the leveling is standard; stretching by a stretcher; the transverse unevenness after stretching can reach 1 mm/full width.
The transverse unevenness of the 6XXX aluminum alloy plate subjected to leveling in the embodiment is less than or equal to 3 mm/full width, the transverse unevenness after stretching is less than or equal to 3 mm/full width, and the longitudinal unevenness after stretching is 3 mm/full length.
Embodiment two: the leveling method of the quenched aluminum alloy thick plate is implemented according to the following steps:
1. heating a 7XXX series aluminum alloy thick plate to 500 ℃ in a roller hearth quenching furnace, preserving heat for 16 hours, discharging and quenching to obtain a quenched aluminum alloy plate;
2. measuring the unevenness of the quenched aluminum alloy plate by using a flat ruler;
3. the quenched aluminum alloy plate to be leveled adopts the following plate shape correction method according to the difference of thickness and unevenness:
(1) For the quenched aluminum alloy plate, when the transverse unevenness is 3.5 mm/full width, directly stretching by a stretcher; the transverse unevenness after stretching can reach 2 mm/full width;
(2) For the thickness of the quenched aluminum alloy plate is 30.0mm, when the transverse unevenness is 5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the quenched aluminum alloy plate by adopting a stretching machine; the transverse unevenness after stretching can reach 2 mm/full width.
(3) For the thickness of the quenched aluminum alloy plate is 45.0mm, when the transverse unevenness is 4.5 mm/full width, the quenched aluminum alloy plate is straightened by a straightening machine and then is stretched by a stretching machine, and the transverse unevenness after stretching can reach 1 mm/full width; when the transverse unevenness is 6 mm/full width, the quenched aluminum alloy plate is leveled by a hot rolling mill and then is stretched, and 2 rounds of rolling leveling treatment are needed, wherein the transverse unevenness can reach 1 mm/full width after stretching;
(4) For the thickness of 80.0mm of the quenched aluminum alloy plate, when the transverse unevenness is 5.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is stretched, 3 rounds of rolling leveling are needed, the leveling is the standard, and after the aluminum alloy plate is stretched by a stretcher, the transverse unevenness can reach 0.5 mm/full width.
The 7XXX series aluminum alloy plate subjected to leveling in the embodiment has the unevenness smaller than or equal to 3 mm/full width, the transverse unevenness smaller than or equal to 3 mm/full width after stretching, and the longitudinal unevenness smaller than or equal to 3 mm/full length after stretching.
Claims (10)
1. The leveling method after the aluminum alloy thick plate is quenched is characterized by comprising the following steps of:
1. heating the aluminum alloy thick plate to 400-550 ℃, preserving heat, discharging from the furnace, and quenching to obtain a quenched aluminum alloy plate;
2. measuring the unevenness of the quenched aluminum alloy plate;
3. the quenched aluminum alloy plate to be leveled adopts the following plate shape correction method according to the difference of thickness and unevenness:
(1) For the quenched aluminum alloy plate, when the transverse unevenness is less than or equal to 3.5 mm/full width, directly stretching by a stretcher;
(2) For the thickness of the quenched aluminum alloy plate is less than or equal to 40.0mm, when the transverse unevenness is more than 3.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the quenched aluminum alloy plate by adopting a stretching machine;
(3) For the thickness of the plate which is more than 40.0mm and less than 50.0mm, when the transverse unevenness is more than 3.5 mm/full width and less than or equal to 4.5 mm/full width, straightening the quenched aluminum alloy plate by adopting a straightening machine, and then stretching the aluminum alloy plate by adopting a stretching machine; when the transverse unevenness is more than 4.5 mm/full width, the quenched aluminum alloy plate is leveled by a hot rolling mill and then is subjected to stretching treatment, and the rolling leveling is performed for 2-3 passes, which is based on the leveling;
(4) And when the transverse unevenness is more than 3.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and the rolling leveling is performed for 2-4 passes.
2. The method for leveling after quenching an aluminum alloy thick plate according to claim 1, wherein in the step one, the aluminum alloy thick plate material is heated in a roller hearth quenching furnace.
3. The method of leveling after quenching an aluminum alloy slab as recited in claim 1, wherein the aluminum alloy slab in step one is a 6XXX series alloy slab, a 2XXX series alloy, or a 7XXX series alloy.
4. The method for leveling after quenching an aluminum alloy thick plate according to claim 1, wherein in the step one, the aluminum alloy thick plate is heated to 450-550 ℃.
5. The method for leveling after quenching an aluminum alloy thick plate according to claim 4, wherein the holding time is 10-16 hours.
6. The method for leveling a quenched thick aluminum alloy plate according to claim 1, wherein the thickness of the thick aluminum alloy plate in the first step is 10-100 mm.
7. The method for leveling after quenching an aluminum alloy thick plate as recited in claim 1, wherein in the second step, unevenness of the quenched aluminum alloy plate is measured with a leveling rod.
8. The method for leveling after the aluminum alloy thick plate is quenched according to claim 1, wherein in the third step, when the transverse unevenness is more than 4.5 mm/full width, the aluminum alloy plate after quenching is leveled by a hot rolling mill and then is subjected to stretching treatment, and hot rolling leveling is performed for 2 passes.
9. The method for leveling after quenching an aluminum alloy thick plate according to claim 1, wherein the rolling temperature for leveling by adopting a hot rolling mill in the third step is 20-30 ℃.
10. The method for leveling the quenched aluminum alloy thick plate according to claim 1, wherein in the third step, the thickness of the quenched aluminum alloy plate is more than or equal to 50.0mm, when the transverse unevenness is more than 3.5 mm/full width, the quenched aluminum alloy plate is sent to a hot rolling mill for leveling and then is subjected to stretching treatment, and the rolling leveling is carried out for 3 passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232647.3A CN113953351B (en) | 2021-10-22 | 2021-10-22 | Leveling method for quenched aluminum alloy thick plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232647.3A CN113953351B (en) | 2021-10-22 | 2021-10-22 | Leveling method for quenched aluminum alloy thick plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113953351A CN113953351A (en) | 2022-01-21 |
| CN113953351B true CN113953351B (en) | 2023-12-05 |
Family
ID=79466145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111232647.3A Active CN113953351B (en) | 2021-10-22 | 2021-10-22 | Leveling method for quenched aluminum alloy thick plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113953351B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239356A (en) * | 2007-02-07 | 2008-08-13 | 矿山机械和轧钢机械制造有限公司 | Device for smoothing metal strip |
| CN101768770A (en) * | 2009-01-06 | 2010-07-07 | 比亚迪股份有限公司 | Composite material and preparation method thereof |
| JP2012055962A (en) * | 2010-09-13 | 2012-03-22 | Kobe Steel Ltd | Method for joining dissimilar material |
| CN104388777A (en) * | 2014-11-28 | 2015-03-04 | 广西南南铝加工有限公司 | High-strength aluminum alloy slab and manufacturing method thereof |
| CN107414258A (en) * | 2017-08-04 | 2017-12-01 | 常州今创风挡系统有限公司 | Bent angle profile welding method under high ferro outer hood bottom |
| CN111360096A (en) * | 2020-03-18 | 2020-07-03 | 郑州明泰实业有限公司 | Preparation method of ultra-flat aluminum alloy quenching plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6668610B2 (en) * | 2001-12-27 | 2003-12-30 | Alcan International Limited | Method for continuous tension leveling of aluminum strip |
| AT506727B1 (en) * | 2008-05-09 | 2010-10-15 | Amag Rolling Gmbh | METHOD FOR THE HEAT TREATMENT OF A ROLLED MOLD FROM A CURABLE ALUMINUM ALLOY |
-
2021
- 2021-10-22 CN CN202111232647.3A patent/CN113953351B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239356A (en) * | 2007-02-07 | 2008-08-13 | 矿山机械和轧钢机械制造有限公司 | Device for smoothing metal strip |
| CN101768770A (en) * | 2009-01-06 | 2010-07-07 | 比亚迪股份有限公司 | Composite material and preparation method thereof |
| JP2012055962A (en) * | 2010-09-13 | 2012-03-22 | Kobe Steel Ltd | Method for joining dissimilar material |
| CN104388777A (en) * | 2014-11-28 | 2015-03-04 | 广西南南铝加工有限公司 | High-strength aluminum alloy slab and manufacturing method thereof |
| CN107414258A (en) * | 2017-08-04 | 2017-12-01 | 常州今创风挡系统有限公司 | Bent angle profile welding method under high ferro outer hood bottom |
| CN111360096A (en) * | 2020-03-18 | 2020-07-03 | 郑州明泰实业有限公司 | Preparation method of ultra-flat aluminum alloy quenching plate |
Non-Patent Citations (1)
| Title |
|---|
| 铝合金厚板精整与预拉伸(1);王美琪等;轻合金加工技术;第42卷(第02期);第9-17页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113953351A (en) | 2022-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113600616B (en) | Thermal processing method for improving high-speed impact resistance of two-phase titanium alloy | |
| CN109468561B (en) | Preparation method of GH3625 alloy strip | |
| CN110695091B (en) | Processing method of molten salt corrosion resistant nickel-molybdenum-chromium alloy section | |
| CN112718864B (en) | Production method for improving deep drawing performance of titanium strip coil for nuclear power plate heat exchanger | |
| CN103834924A (en) | Method for preparing ultra-high purity aluminium and ultra-high purity aluminium alloy sputtering target material | |
| CN104046933A (en) | Thermal-mechanical treatment method for enhancing plasticity and forming property of high strength aluminum alloy sheet | |
| CN111647802A (en) | Preparation method of hot stamping component coated with aluminum-silicon alloy coating and product thereof | |
| CN111020127A (en) | Novel heat treatment process for full-hardened cold-rolled working roll | |
| CN111112527B (en) | Forging method of large tube plate type forge piece | |
| CN111334731B (en) | Method for controlling anisotropy of alpha + beta titanium alloy cold-rolled plate strip | |
| CN113953351B (en) | Leveling method for quenched aluminum alloy thick plate | |
| CN111809080B (en) | Preparation method of TC2 alloy thin-wall extruded section | |
| CN113000844A (en) | Preparation method of large-size molybdenum plate | |
| CN102626724B (en) | Method for producing titanium alloy pipe | |
| CN107761062B (en) | Method for manufacturing target blank and target assembly | |
| CN116944244A (en) | High-strength high-toughness corrosion-resistant 6xxx series aluminum alloy rolling process | |
| CN116479354A (en) | TC4 titanium alloy pipe preparation method and device | |
| CN105483626A (en) | Production method of fine grain planar molybdenum target | |
| CN106756664B (en) | A kind of preparation method of high strength alumin ium alloy plate members | |
| CN113981349A (en) | Annealing process of high-grain-size spinning cathode roller titanium cylinder | |
| CN110129699B (en) | High-uniform-elongation GPa-grade titanium and preparation method thereof | |
| CN113862538A (en) | High-strength heat-resistant magnesium alloy sheet and preparation method thereof | |
| CN108385042B (en) | A kind of production technology of the Aluminum Alloy Plate applied to tablet computer backboard | |
| CN113449240B (en) | Method for forecasting influence of surface temperature difference of strip steel of aluminum-zinc plating unit on C warping | |
| CN115874129B (en) | Preparation method of titanium strip coil for plate heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |