CN104975213A - Environment-friendly high-toughness hard aluminum alloy profile production process - Google Patents
Environment-friendly high-toughness hard aluminum alloy profile production process Download PDFInfo
- Publication number
- CN104975213A CN104975213A CN201510321001.0A CN201510321001A CN104975213A CN 104975213 A CN104975213 A CN 104975213A CN 201510321001 A CN201510321001 A CN 201510321001A CN 104975213 A CN104975213 A CN 104975213A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- section bar
- temperature
- alloy extrusions
- obtains
- 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
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000032683 aging Effects 0.000 claims abstract description 19
- 229910000737 Duralumin Inorganic materials 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 26
- 238000007669 thermal treatment Methods 0.000 claims description 20
- 238000005266 casting Methods 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 230000007613 environmental effect Effects 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000003723 Smelting Methods 0.000 abstract 2
- 238000009749 continuous casting Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009997 thermal pre-treatment Methods 0.000 description 2
- 230000001550 time effect Effects 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Extrusion Of Metal (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses an environment-friendly high-toughness hard aluminum alloy profile production process. The production process comprises burdening and smelting; the burdening is performed for the following component in percentage by mass: 5-5.5% of Cu, 2-4.5% of Fe, 0.1-0.3% of Mn, 0.5-3% of Mg, 1.1-1.5% of Zn, 0.1-1% of Si, 0.1% of Ni, 0.2% of Ti, and the balance of Al; the smelting is performed for 6-8 h under high temperature to obtain aluminum alloy molten liquid; and then, the horizontal continuous casting, the continuous extrusion and the three-stage ageing heat treatment are performed. The process shortens the alloy production process and period without needing the homogenization and the preheating treatment, and totally accords with the production requirements of energy conservation and greenness of a short-flow process; and a prepared aluminum alloy profile has excellent toughness and tensile strength, and can satisfy the gradually increasing high-end demands.
Description
Technical field
The invention belongs to technical field of metal material manufacture, be specifically related to a kind of environmental protection high tenacity duralumin section bar production technique.
Background technology
China has been that global maximum aluminium extrusion material is produced, exported and consumption big country.Current, China's aluminum extrusion industry enters the new stage of mass-producing and technology upgrading, is in the important period changed with transition.Present aluminium alloy industry towards production Environmentally-frielow-energy-consumptipolycarboxylic low-energy-consumptipolycarboxylic, the future development of alloy property excellence.
The continuously extruded a kind of important process being aluminium alloy extrusions and producing, continuously extruded bar material without the need to carrying out thermal pretreatment, but requires good toughness, moulding and forming property for blank.Adopt the aluminium alloy of continuously extruded shaping to mainly contain: 1050,1060,1100,3003,6063, AA1050, AA6082, AA6063, AA3103, AA1200, AA3005 and AA3004 etc. 1 are, 3 be and 6 line aluminium alloys.Along with the development of science and technology, continual extruding technology constantly improves, by the design of extrusion process and tool and mould and optimization, the fertile product cross section of institute is day by day complicated, various section bar emerges in an endless stream, but, continuously extruded all the time for object are all soft aluminium alloys.For duralumins such as 2xxx system, 4xxx system, 5xxx system and 7xxx systems, because plastic deformation resistance is comparatively large, processability is poor, is generally considered to adopt continual extruding technology to shape.
Prior art is disclosed one and obtains duralumin section bar finished product by continuously extruded and two-stage time effect thermal treatment.Products obtained therefrom room temperature tensile intensity can reach 450 ~ 500MPa, and elongation can reach 4 ~ 7.7%, and average grain size can reach 0.020 ~ 0.040mm.But although this technology considerably reduces energy consumption, in practical application, elongation, namely toughness not, should can not meet high-end demand.A kind of special section bar of aviation product needed as a certain in state, requires that this kind of aluminium alloy extrusions tensile strength reaches 540N/mm
-2, Proof strength of non-proportional reaches 480N/mm
-2, elongation after fracture reaches 8%, exfoliation Corrosion reaches EB level.
The present invention aims to provide a kind of new environmental protection high tenacity duralumin section bar production technique, optimize from raw material to processing parameter comprehensively, less energy-consumption can produce and take into account high strength, elongation reaches the outstanding high tenacity duralumin section bar of more than 12%, and such technique have not been reported.
Summary of the invention
Based on the technical problem that background technology exists, the present invention is directed to the shortcoming of prior art, by years of researches and experiment, and optimize and pass through proportioning raw materials, and the condition of technique, a kind of new environmental protection high tenacity duralumin section bar production technique is provided, optimizes from raw material to processing parameter comprehensively, can less energy-consumption to produce intensity high, elongation after fracture reaches the outstanding high tenacity duralumin section bar of more than 12%
Technical scheme of the present invention is as follows:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5-5.5%, Fe 2-4.5%, Mn 0.1-0.3%, Mg 0.5-3%, Zn 1.1-1.5%, Si 0.1-1%, Ni 0.1%, Ti 0.2%, that remaining is Al, and at high temperature melting 6h ~ 8h, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting, and cleans;
(3) continuously extruded:
Continuously extruding and molding obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains,
Obtain high tenacity duralumin section bar finished product.
Preferred steps (3) is: extruding rotating speed 3-5r/min, and die entrance fillet r=0.4-0.7mm, obtains duralumin section bar;
Preferred steps (4) is:
One-level: temperature is 200-300 DEG C, time 2-5h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 600-630 DEG C, time 50-60min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 120-150 DEG C, time 60-80min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
Usefulness of the present invention is:
1, technique of the present invention makes alloy production technique and cycle time without the need to homogenizing and thermal pretreatment, meets the energy-conservation green production requirement of abbreviated system completely.
2, the aluminium alloy extrusions that the present invention obtains has outstanding toughness and tensile strength, can meet the high-end demand day by day increased.
Embodiment
embodiment 1:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5.3%, Fe 3.2%, Mn 0.2%, Mg 2.5%, Zn 1.5%, Si 0.5%, Ni 0.1%, Ti 0.2%, that remaining is Al, and under temperature is 780 DEG C ~ 800 DEG C conditions, lower melting 8h, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 725 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 5r/min, die entrance fillet r=0.4mm, obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 300 DEG C, time 2h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 630 DEG C, time 50min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 150 DEG C, time 60min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
embodiment 2:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5%, Fe 2%, Mn 0.1%, Mg 1.5%, Zn 1.5%, Si 1%, Ni 0.1%, Ti 0.2%, that remaining is Al, and melting 6h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 780 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 3r/min, die entrance fillet r=0.7mm, obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 200 DEG C, time 5h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 600 DEG C, time 60min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 120 DEG C, time 80min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
embodiment 3:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5.5%, Fe 4.5%, Mn 0.1%, Mg 0.5%, Zn 0.8%, Si 0.7%, Ni 0.1%, Ti 0.2%, that remaining is Al, and melting 7h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 740 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 4r/min, die entrance fillet r=0.6mm, obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 250 DEG C, time 4h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 610 DEG C, time 55min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 130 DEG C, time 70min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
embodiment 4:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5.1%, Fe 3.9%, Mn 0.3%, Mg 0.6%, Zn 0.9%, Si 0.5%, Ni 0.1%, Ti 0.2%, that remaining is Al, and melting 8h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 755 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 5r/min, die entrance fillet r=0.5mm, obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 280 DEG C, time 3h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 625 DEG C, time 57min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 145 DEG C, time 68min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
embodiment 5:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5.2%, Fe 2.8%, Mn 0.2%, Mg 3%, Zn 1.1%, Si 0.9%, Ni 0.1%, Ti 0.2%, that remaining is Al, and melting 7h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 775 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 3r/min, die entrance fillet r=0.4mm, obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 295 DEG C, time 2h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 615 DEG C, time 52min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 129 DEG C, time 75min, then by aluminium alloy extrusions air cooling to room temperature, obtain duralumin section bar finished product.
embodiment 6:
In fact, quality feeds proportioning of the present invention, and continuously extruded parameter, three-step aging thermal treatment has significant synergy, changes parameter, has a great impact result.
Comparative example 1:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5.4%, Fe 3.6%, Mn 0.1%, Mg 1%, Zn 1.5%, Si 0.5%, Ni 0.1%, Ti 0.2%, that remaining is Al, and melting 6h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 725 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 15r/min, die entrance fillet r=0.9mm, obtains aluminium alloy extrusions;
(4) secondary time effect thermal treatment:
Three-step aging thermal treatment is carried out to the aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 270 DEG C, time 3h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 620 DEG C, time 53min, then aluminium alloy extrusions water-cooled or air cooling to room temperature is obtained finished product aluminium alloy extrusions.
embodiment 7:
Comparative example 2:
A kind of production method of environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 3%, Fe 5%, Mn 0.2%, Mg 1.6%, Zn 1%, Si 0.1%, Ti 0.2%, that remaining is Al, and melting 8h under temperature is 780 DEG C ~ 800 DEG C conditions, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting at temperature is 780 DEG C, and cleans;
(3) continuously extruded:
Extruding rotating speed 20r/min, die entrance fillet r=0.8mm, obtains aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the aluminium alloy extrusions that step (3) obtains, is specially:
One-level: temperature is 100 DEG C, time 4h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 700 DEG C, time 60min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 200 DEG C, time 80min, then by aluminium alloy extrusions air cooling to room temperature, obtain aluminium alloy extrusions finished product.
embodiment 8 index is tested and assessed:
The duralumin section bar using the comparative example 1-2 of embodiment 1-5 and embodiment 6-7 to obtain carries out index test and appraisal, and result is as shown in table 1.
Result is as shown in table 1.
Table 1
As can be seen here, technique of the present invention is very outstanding, can energy-conserving and environment-protective ground production tensile strength large, the high tenacity duralumin section bar that elongation is high, this type material has market potential.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (3)
1. the production method of an environmental protection high tenacity duralumin section bar:
(1) batching and melting:
Prepare burden according to mass percent: Cu 5-5.5%, Fe 2-4.5%, Mn 0.1-0.3%, Mg 0.5-3%, Zn 1.1-1.5%, Si 0.1-1%, Ni 0.1%, Ti 0.2%, that remaining is Al, and at high temperature melting 6h ~ 8h, obtains molten aluminium alloy;
(2) horizontal casting:
The aluminium alloy solution obtained is carried out horizontal casting, and cleans;
(3) continuously extruded:
Continuously extruding and molding obtains work in-process aluminium alloy extrusions;
(4) three-step aging thermal treatment:
Three-step aging thermal treatment is carried out to the work in-process aluminium alloy extrusions that step (3) obtains, obtains high tenacity duralumin section bar finished product.
2. the production method of environmental protection high tenacity duralumin section bar according to claim 1, is characterized in that:
Step (3) is: extruding rotating speed 3-5r/min, and die entrance fillet r=0.4-0.7mm, obtains duralumin section bar;
Step (4) is:
One-level: temperature is 200-300 DEG C, time 2-5h, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Secondary: temperature is 600-630 DEG C, time 50-60min, then by aluminium alloy extrusions water-cooled or air cooling to room temperature;
Three grades: temperature is 120-150 DEG C, time 60-80min, then by aluminium alloy extrusions air cooling to room temperature, obtain high tenacity duralumin section bar finished product.
3. the production method described in claim 1-2 produces the high tenacity duralumin section bar obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321001.0A CN104975213B (en) | 2015-06-12 | 2015-06-12 | Environment-friendly high-toughness hard aluminum alloy profile production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321001.0A CN104975213B (en) | 2015-06-12 | 2015-06-12 | Environment-friendly high-toughness hard aluminum alloy profile production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104975213A true CN104975213A (en) | 2015-10-14 |
| CN104975213B CN104975213B (en) | 2017-04-12 |
Family
ID=54272174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510321001.0A Active CN104975213B (en) | 2015-06-12 | 2015-06-12 | Environment-friendly high-toughness hard aluminum alloy profile production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104975213B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826562A (en) * | 2020-07-27 | 2020-10-27 | 李彦娜 | Environment-friendly high-toughness aluminum alloy profile and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675389A (en) * | 2002-08-20 | 2005-09-28 | 克里斯铝轧制品有限公司 | Al-cu alloy with high toughness |
| CN1834276A (en) * | 2006-04-25 | 2006-09-20 | 东北轻合金有限责任公司 | Method of preparing aviation alloyed aluminium variable section sheets |
| CN101484604A (en) * | 2006-07-07 | 2009-07-15 | 阿勒里斯铝业科布伦茨有限公司 | Aa7000-series aluminium alloy products and a method of manufacturing thereof |
| CN102286682A (en) * | 2011-08-24 | 2011-12-21 | 吴江市精工铝字制造厂 | High-strength hard aluminum alloy |
| CN102825092A (en) * | 2012-08-30 | 2012-12-19 | 郴州市强旺新金属材料有限公司 | Production process of hard aluminum alloy profiles |
| CN103243246A (en) * | 2013-05-24 | 2013-08-14 | 怡球金属资源再生（中国）股份有限公司 | High-quality and high-hardness aluminum alloy ingot and production method thereof |
-
2015
- 2015-06-12 CN CN201510321001.0A patent/CN104975213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675389A (en) * | 2002-08-20 | 2005-09-28 | 克里斯铝轧制品有限公司 | Al-cu alloy with high toughness |
| CN1834276A (en) * | 2006-04-25 | 2006-09-20 | 东北轻合金有限责任公司 | Method of preparing aviation alloyed aluminium variable section sheets |
| CN101484604A (en) * | 2006-07-07 | 2009-07-15 | 阿勒里斯铝业科布伦茨有限公司 | Aa7000-series aluminium alloy products and a method of manufacturing thereof |
| CN102286682A (en) * | 2011-08-24 | 2011-12-21 | 吴江市精工铝字制造厂 | High-strength hard aluminum alloy |
| CN102825092A (en) * | 2012-08-30 | 2012-12-19 | 郴州市强旺新金属材料有限公司 | Production process of hard aluminum alloy profiles |
| CN103243246A (en) * | 2013-05-24 | 2013-08-14 | 怡球金属资源再生（中国）股份有限公司 | High-quality and high-hardness aluminum alloy ingot and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826562A (en) * | 2020-07-27 | 2020-10-27 | 李彦娜 | Environment-friendly high-toughness aluminum alloy profile and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104975213B (en) | 2017-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103602863B (en) | A kind of technique of producing Thin-walled Aluminum conjunction tubing | |
| CN105671384A (en) | Aluminum alloy and preparation method thereof | |
| CN103103424B (en) | Method for manufacturing aviation aluminum alloy profiles by double aging | |
| CN109628860B (en) | High-strength Al-Mg-Si aluminum alloy and preparation method thereof | |
| CN105925921B (en) | A kind of ultra-thin allotype aluminum alloy extrudate production technology and product | |
| CN103484735B (en) | The making method of 6063 aluminium alloys after a kind of optimization | |
| CN104018038A (en) | Aluminium alloy used for automobile anti-collision beam, and manufacturing method for product thereof | |
| CN111041293B (en) | Production process of high-strength thin-wall section | |
| CN105256193A (en) | Process for avoiding coarse-grain rings of 6061 aluminum alloy bars and rods | |
| CN103103417A (en) | Aluminum alloy profile and preparation method thereof | |
| CN105274408A (en) | Manufacturing method of aluminum alloy rivet wire for aerospace | |
| CN105986135A (en) | Process flow for production of aluminum product | |
| CN106636806A (en) | Fine-grain medium-strength aluminum alloy as well as preparation method and application thereof | |
| CN105200288A (en) | Ultra-high-strength Al alloy bar and production method thereof | |
| CN103388115B (en) | A kind of preparation method of magnesium alloy with high strength and ductility bar | |
| CN103589924A (en) | Production process for aluminum alloy bar used for aviation structural component | |
| CN103589922B (en) | A kind of technique of producing boats and ships aluminium alloy extrusions | |
| CN107619973A (en) | A kind of process of aluminium alloys for automobile control arm performance boost | |
| CN104962786B (en) | A kind of anticorrosion aluminium ally section | |
| CN111069323A (en) | Extrusion production process of automobile doorsill beam profile | |
| CN101376937B (en) | Squeeze casting Al-Si-Cu alloy material | |
| CN106319314A (en) | High-speed extrusion high-strength deforming magnesium alloy and preparation method thereof | |
| CN106048344A (en) | High-strength aluminum alloy profile and production process thereof | |
| CN106048343A (en) | High-strength aluminum alloy profile and production technology thereof | |
| CN111041391B (en) | Aluminum alloy extruded section and online quenching process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313000 Zhejiang Nanxun District in the town of high-tech industrial park in Dagang Road No. 1088 12B306 Patentee after: Zhejiang rice new material Limited by Share Ltd Address before: 313000 Zhejiang city of Huzhou Province town Wuxing District Road No. 288 East Lake fabric Patentee before: ZHEJIANG MIHUANG ALUMINUM INDUSTRY CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Environment-friendly high-toughness hard aluminum alloy profile production process Effective date of registration: 20171214 Granted publication date: 20170412 Pledgee: The Agricultural Bank of Huzhou branch, Limited by Share Ltd Chinese Pledgor: Zhejiang rice new material Limited by Share Ltd Registration number: 2017980000551 |