CN107034399A - A kind of manufacture method of Al Cu Mg line aluminium alloy rectangle ingots - Google Patents
A kind of manufacture method of Al Cu Mg line aluminium alloy rectangle ingots Download PDFInfo
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- CN107034399A CN107034399A CN201710282753.XA CN201710282753A CN107034399A CN 107034399 A CN107034399 A CN 107034399A CN 201710282753 A CN201710282753 A CN 201710282753A CN 107034399 A CN107034399 A CN 107034399A
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- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
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- 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
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- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
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- Manufacture And Refinement Of Metals (AREA)
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Abstract
A kind of manufacture method of Al Cu Mg line aluminium alloy rectangle ingots, the present invention relates to the method field of manufacturing of cast aluminium alloy flat ingot.The invention solves the problems that existing Al Cu Mg systems alloy anti-stress corrosiveness is poor, the technical problem of fracture toughness difference.Method：First, melting raw material is weighed；2nd, melting；3rd, refine；4th, cast.The rational founding flow of present invention selection, enables aluminum alloy to bath composition more uniform and stable；Improve the anti-stress corrosiveness and fracture toughness of alloy；By the reasonable control to casting process medium velocity, temperature and the big parameter of water-carrying capacity three, produce without the qualified big specification aviation Al Cu Mg line aluminium alloy rectangle ingots of drawing crack, internal soundness, can be widely applied to field of aerospace.
Description
Technical field
The present invention relates to the method field of manufacturing of cast aluminium alloy flat ingot.
Background technology
Al-Cu-Mg line aluminium alloys have high tensile strength, toughness and fatigue strength, good heat resistance, processing characteristics
The features such as good and welding performance is excellent, with boundless application prospect, be widely used at present aerospace flight vehicle,
The field such as car and weapon industry of rising, especially occupies highly important status, is the primary structure of aircraft industry in aircraft industry
One of material.Al-Cu-Mg alloy belongs to heat-treatable strengthened wrought aluminium alloy, is mainly used in less than 100 DEG C of building ring
Border, when operating temperature is more than 100 DEG C, makes hydraulic performance decline because hardening constituent is drastically roughened.
But existing Al-Cu-Mg alloy still suffers from the problems such as anti-stress corrosiveness, fracture toughness are poor.
The content of the invention
The invention solves the problems that existing Al-Cu-Mg alloy anti-stress corrosiveness is poor, the technical problem of fracture toughness difference, and
A kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot is provided.
A kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot, is carried out according to the following steps：
First, it is by the mass percent of each element：Mn is that 0.65%~0.75%, Cu is that 4.3%~4.6%, Mg is
1.50%~1.65%, Zn is that 0.10%~0.12%, Ti is 0.03%~0.05% and the Al of surplus weighs aluminium ingot, Al-
Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys；
2nd, the aluminium ingot and Al-Mn intermediate alloys weighed step one, which is sequentially loaded into resistance reverberatory furnace stove, to be melted, and is melted
It is 700 DEG C~750 DEG C to refine temperature, and when melting half, Cu plates and Zn ingots are uniformly added into melt, continues melting completely, control
Temperature processed is 700 DEG C~750 DEG C, is then skimmed, and adds Mg ingots, and stirring melt is covered with flux to being well mixed,
Then under the conditions of 700 DEG C~750 DEG C, sample examination, it is qualified after, using Ar-Cl2Mixed gas refining melt 8min~
12min, obtains aluminium alloy melt；
3rd, step 2 is obtained into aluminium alloy melt to import in standing furnace, it is 690 DEG C~710 DEG C to control temperature, to standing furnace
In be passed through Ar-Cl2Mixed gas refines 10min~20min, then stands 20min~40min, obtains casting melt；
4th, the casting melt for obtaining step 3 is carried out outside stove under conditions of online degasification using semi-continuous casting method
Casting, obtains Al-Cu-Mg line aluminium alloy rectangle ingots.
Wherein in step 2 during sample examination, sample is dipped at melt depth half and carries out chemical composition detection, adjustment
Untill chemical composition to each element meets the mass percent in step one.
The present invention a kind of Al-Cu-Mg line aluminium alloys rectangle ingot in impurity be by mass content：Si ＜ 0.2%, Fe ＜
0.3%, Cr ＜ 0.1%, remaining single impurity≤0.05%, the scope of all dirt is≤0.15%, the impurity in the range of this
Al-Cu-Mg line aluminium alloy rectangle ingot castings and metallurgical quality are not influenceed.
The beneficial effects of the invention are as follows：
1st, the rational founding flow of present invention selection, is made by resistance reverberatory furnace, the different of two stoves of standing furnace
With enabling aluminum alloy to bath composition more uniform and stable；
2nd, by adding Zn elements, alloy anti-stress corrosiveness and fracture toughness are improved；
3rd, by adding Mn elements, the grain structure of alloy has been refined, and the mechanical property of alloy can be effectively improved；
4th, covered by adding flux, prevent melt oxidation and air-breathing；
5th, refined by using argon-chlorine mixture gas, reduce melt hydrogen content and alkali metal；
6th, by using online degasification outside stove, the gas and field trash in melt are reduced, it is to avoid inside ingot tissue defects
Generation；
7th, by the reasonable control to casting process medium velocity, temperature and the big parameter of water-carrying capacity three, produced without drawing crack,
The big specification rectangle ingot of the qualified Al-Cu-Mg line aluminium alloys of internal soundness, can be widely applied to aviation field.
Al-Cu-Mg line aluminium alloys rectangle ingot prepared by the present invention is used for aviation field.
Brief description of the drawings
Fig. 1 is the photo of Al-Cu-Mg line aluminium alloy rectangle ingots prepared by embodiment one；
Fig. 2 is the sample position figure of Al-Cu-Mg line aluminium alloy rectangle ingots use sample to be detected prepared by embodiment one, its
Middle label 1~7 represents test piece number (Test pc No.)..
Embodiment
Technical solution of the present invention is not limited to the embodiment of act set forth below, in addition to each embodiment it
Between any combination.
Embodiment one：A kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot of present embodiment, by following
Step is carried out：
First, it is by the mass percent of each element：Mn is that 0.65%~0.75%, Cu is that 4.3%~4.6%, Mg is
1.50%~1.65%, Zn is that 0.10%~0.12%, Ti is 0.03%~0.05% and the Al of surplus weighs aluminium ingot, Al-
Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys；
2nd, the aluminium ingot and Al-Mn intermediate alloys weighed step one, which is sequentially loaded into resistance reverberatory furnace stove, to be melted, and is melted
It is 700 DEG C~750 DEG C to refine temperature, and when melting half, Cu plates and Zn ingots are uniformly added into melt, continues melting completely, control
Temperature processed is 700 DEG C~750 DEG C, is then skimmed, and adds Mg ingots, and stirring melt is covered with flux to being well mixed,
Then under the conditions of 700 DEG C~750 DEG C, sample examination, it is qualified after, using Ar-Cl2Mixed gas refining melt 8min~
12min, obtains aluminium alloy melt；
3rd, step 2 is obtained into aluminium alloy melt to import in standing furnace, it is 690 DEG C~710 DEG C to control temperature, to standing furnace
In be passed through Ar-Cl2Mixed gas refines 10min~20min, then stands 20min~40min, obtains casting melt；
4th, the casting melt for obtaining step 3 is carried out outside stove under conditions of online degasification using semi-continuous casting method
Casting, obtains Al-Cu-Mg line aluminium alloy rectangle ingots.
The present invention a kind of Al-Cu-Mg line aluminium alloys rectangle ingot in impurity be by mass content：Si ＜ 0.2%, Fe ＜
0.3%, Cr ＜ 0.1%, remaining single impurity≤0.05%, the scope of all dirt is≤0.15%, the impurity in the range of this
Al-Cu-Mg line aluminium alloy rectangle ingot castings and metallurgical quality are not influenceed.
The beneficial effects of the invention are as follows：
1st, the rational founding flow of present invention selection, is made by resistance reverberatory furnace, the different of two stoves of standing furnace
With enabling aluminum alloy to bath composition more uniform and stable；
2nd, by adding Zn elements, alloy anti-stress corrosiveness and fracture toughness are improved；
3rd, by adding Mn elements, the grain structure of alloy has been refined, and the mechanical property of alloy can be effectively improved；
4th, covered by adding flux, prevent melt oxidation and air-breathing；
5th, refined by using argon-chlorine mixture gas, reduce melt hydrogen content and alkali metal；
6th, by using online degasification outside stove, the gas and field trash in melt are reduced, it is to avoid inside ingot tissue defects
Generation；
7th, by the reasonable control to casting process medium velocity, temperature and the big parameter of water-carrying capacity three, produced without drawing crack,
The big specification rectangle ingot of the qualified Al-Cu-Mg line aluminium alloys of internal soundness, can be widely applied to aviation field.
Embodiment two：Present embodiment from unlike embodiment one：By each element in step one
Mass percent is：Mn is that 0.70%, Cu is that 4.45%, Mg is that 1.60%, Zn is that 0.11%, Ti is 0.03% and surplus
Al weighs aluminium ingot, Al-Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys.It is other with the phase of embodiment one
Together.
Embodiment three：Present embodiment from unlike embodiment one or two：Work as melt in step 2
Temperature reaches 720 DEG C, adds Mg ingots, and stirring melt is covered with flux to well mixed.It is other with embodiment one or
Two is identical.
Embodiment four：Unlike one of present embodiment and embodiment one to three：Covered in step 2
The flux main of lid is by KCl, MgCl2And BaCl2Composition, wherein KCl concentration is 35%, MgCl by weight percent2's
Concentration is 40%, BaCl2Concentration be 7%, surplus is impurity.It is other identical with one of embodiment one to three.
Embodiment five：Unlike one of present embodiment and embodiment one to four：Controlled in step 3
Temperature processed is 700 DEG C, and Ar-Cl is passed through into standing furnace2Mixed gas refines 15min, then stands 30min, obtains casting molten
Body.It is other identical with one of embodiment one to four.
Embodiment six：Unlike one of present embodiment and embodiment one to five：Al- in step 4
Cu-Mg line aluminium alloy rectangle ingots specification is 520mm × 1620mm.It is other identical with one of embodiment one to five.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：Half in step 4
Continuously casting temperature is 690 DEG C~710 DEG C, and semi-continuous casting speed is 50mm/min~55mm/min, semi-continuous casting cooling
Hydraulic pressure is 0.04MPa~0.15MPa.It is other identical with one of embodiment one to six.
Embodiment eight：Unlike one of present embodiment and embodiment one to seven：Half in step 4
Continuously casting temperature is 700 DEG C.It is other identical with one of embodiment one to seven.
Embodiment nine：Unlike one of present embodiment and embodiment one to eight：Half in step 4
Continuously casting cooling water pressure is 0.08MPa~0.10MPa.It is other identical with one of embodiment one to eight.
Embodiment ten：Unlike one of present embodiment and embodiment one to nine：Half in step 4
Continuously casting cooling water pressure is 0.12MPa.It is other identical with one of embodiment one to nine.
Beneficial effects of the present invention are verified using following examples：
Embodiment one：
A kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot of the present embodiment, is carried out according to the following steps：
First, it is by the mass percent of each element：Mn be 0.70%, Cu be 4.4%, Mg be 1.60%, Zn be 0.11%,
Ti is 0.03% and the Al of surplus weighs aluminium ingot, Al-Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys；
2nd, the aluminium ingot and Al-Mn intermediate alloys weighed step one, which is sequentially loaded into resistance reverberatory furnace stove, to be melted, and is melted
It is 730 DEG C to refine temperature, when melting half, is uniformly added into Cu plates and Zn ingots into melt, continues melting completely, controls the temperature to be
730 DEG C, then skimmed, add Mg ingots, stirring melt is covered with flux to well mixed, then in 730 DEG C of conditions
Under, sample examination, it is qualified after, using Ar-Cl2Mixed gas refines melt 10min, obtains aluminium alloy melt；
3rd, step 2 is obtained into aluminium alloy melt to import in standing furnace, it is 710 DEG C to control temperature, is passed through into standing furnace
Ar-Cl2Mixed gas refines 15min, then stands 30min, obtains casting melt；
4th, the casting melt for obtaining step 3 is carried out outside stove under conditions of online degasification using semi-continuous casting method
Casting, obtains Al-Cu-Mg line aluminium alloy rectangle ingots；Wherein semi-continuous casting temperature is 710 DEG C, and semi-continuous casting speed is
52mm/min, semi-continuous casting cooling water pressure be 0.06MPa, Al-Cu-Mg line aluminium alloy rectangle ingots specification be 520mm ×
1620mm。
The flux main covered in step 2 is by KCl, MgCl2And BaCl2Composition, wherein KCl by weight percent
Concentration is 35%, MgCl2Concentration be 40%, BaCl2Concentration be 7%, surplus is impurity.
The photo of Al-Cu-Mg line aluminium alloys rectangle ingot manufactured in the present embodiment is as shown in Figure 1.
(1) macrostructure inspection and mechanical property are carried out to Al-Cu-Mg line aluminium alloys rectangle ingot prepared by embodiment one
Test, after the bottom of Al-Cu-Mg line aluminium alloy rectangle ingots prepared by embodiment one is cut away, cuts the thick test pieces of 20mm, takes test piece
The half of width carries out the analysis such as macrostructure inspection and Mechanics Performance Testing to ingot casting.The sampling position of use sample to be detected
Put as shown in Figure 2.
Macrostructure inspection is carried out to No. 7 samples, the defects such as slag inclusion, stomata, shrinkage cavity and porosity are not found.
Mechanics Performance Testing is carried out to 1~No. 6 sample, 1 is the results are shown in Table.
The mechanical experimental results of table 1
Embodiment two：
A kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot of the present embodiment, is carried out according to the following steps：
First, it is by the mass percent of each element：Mn be 0.70%, Cu be 4.5%, Mg be 1.60%, Zn be 0.11%,
Ti is 0.03% and the Al of surplus weighs aluminium ingot, Al-Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys；
2nd, the aluminium ingot and Al-Mn intermediate alloys weighed step one, which is sequentially loaded into resistance reverberatory furnace stove, to be melted, and is melted
It is 720 DEG C to refine temperature, when melting half, is uniformly added into Cu plates and Zn ingots into melt, continues melting completely, controls the temperature to be
720 DEG C, then skimmed, add Mg ingots, stirring melt is covered with flux to well mixed, then in 720 DEG C of conditions
Under, sample examination, it is qualified after, using Ar-Cl2Mixed gas refines melt 10min, obtains aluminium alloy melt；
3rd, step 2 is obtained into aluminium alloy melt to import in standing furnace, it is 705 DEG C to control temperature, is passed through into standing furnace
Ar-Cl2Mixed gas refines 15min, then stands 30min, obtains casting melt；
4th, the casting melt for obtaining step 3 is carried out outside stove under conditions of online degasification using semi-continuous casting method
Casting, obtains Al-Cu-Mg line aluminium alloy rectangle ingots；Wherein semi-continuous casting temperature is 705 DEG C, and semi-continuous casting speed is
52mm/min, semi-continuous casting cooling water pressure be 0.08MPa, Al-Cu-Mg line aluminium alloy rectangle ingots specification be 520mm ×
1620mm。
The yield rate that the present embodiment obtains Al-Cu-Mg line aluminium alloy rectangle ingots has reached 90%.
Claims (10)
1. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot, it is characterised in that this method is carried out according to the following steps：
First, it is by the mass percent of each element：Mn is that 0.65%~0.75%, Cu is that 4.3%~4.6%, Mg is 1.50%
~1.65%, Zn is that 0.10%~0.12%, Ti is 0.03%~0.05% and the Al of surplus weighs aluminium ingot, in the middle of Al-Mn
Alloy, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys；
2nd, the aluminium ingot and Al-Mn intermediate alloys weighed step one, which is sequentially loaded into resistance reverberatory furnace stove, to be melted, melting temperature
Spend for 700 DEG C~750 DEG C, when melting half, Cu plates and Zn ingots are uniformly added into melt, continue melting completely, control temperature
Spend for 700 DEG C~750 DEG C, then skimmed, add Mg ingots, stirring melt is covered with flux to well mixed, then
Under the conditions of 700 DEG C~750 DEG C, sample examination, it is qualified after, using Ar-Cl2Mixed gas refining melt 8min~12min, is obtained
To aluminium alloy melt；
3rd, step 2 is obtained into aluminium alloy melt to import in standing furnace, it is 690 DEG C~710 DEG C to control temperature, led into standing furnace
Enter Ar-Cl2Mixed gas refines 10min~20min, then stands 20min~40min, obtains casting melt；
4th, the casting melt for obtaining step 3 is cast outside stove under conditions of online degasification using semi-continuous casting method,
Obtain Al-Cu-Mg line aluminium alloy rectangle ingots.
2. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
It is by the mass percent of each element in one：Mn is that 0.70%, Cu is that 4.45%, Mg is that 1.60%, Zn is that 0.11%, Ti is
The 0.03% and Al of surplus weighs aluminium ingot, Al-Mn intermediate alloys, Cu plates, Mg ingots, Zn ingots and Al-Ti intermediate alloys.
3. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
When melt temperature reaches 720 DEG C in two, Mg ingots are added, stirring melt is covered with flux to well mixed.
4. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
The flux covered in two is by KCl, MgCl2And BaCl2Composition, wherein KCl concentration is 35%, MgCl by weight percent2It is dense
Spend for 40%, BaCl2Concentration be 7%, surplus is impurity.
5. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
It is 700 DEG C that temperature is controlled in three, and Ar-Cl is passed through into standing furnace2Mixed gas refines 15min, then stands 30min, obtains
Cast melt.
6. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
Al-Cu-Mg line aluminium alloys rectangle ingot specification is 520mm × 1620mm in four.
7. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
Semi-continuous casting temperature is 690 DEG C~710 DEG C in four, and semi-continuous casting speed is 50mm/min~55mm/min, semicontinuous casting
Cooling water pressure is made for 0.04MPa~0.15MPa.
8. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
Semi-continuous casting temperature is 700 DEG C in four.
9. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
Semi-continuous casting cooling water pressure is 0.08MPa~0.10MPa in four.
10. a kind of manufacture method of Al-Cu-Mg line aluminium alloys rectangle ingot according to claim 1, it is characterised in that step
Semi-continuous casting cooling water pressure is 0.12MPa in four.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957691A (en) * | 2019-03-22 | 2019-07-02 | 广西南南铝加工有限公司 | A kind of preparation method of wide cut alclad sheet super large slab ingot |
| CN110438378A (en) * | 2019-09-16 | 2019-11-12 | 营口忠旺铝业有限公司 | A kind of 2 line aluminium alloy melting and casting methods |
| CN112522649A (en) * | 2020-12-03 | 2021-03-19 | 东北轻合金有限责任公司 | Manufacturing method of high-strength high-toughness large-size aluminum alloy plate for large passenger plane |
| CN113930648A (en) * | 2021-10-15 | 2022-01-14 | 东北轻合金有限责任公司 | Preparation method of high-zinc-aluminum alloy flat ingot |
| CN114318077A (en) * | 2021-12-28 | 2022-04-12 | 东北轻合金有限责任公司 | Manufacturing method of Al-Si-Mn-Zn aluminum alloy flat ingot |
| CN114318095A (en) * | 2021-12-24 | 2022-04-12 | 东北轻合金有限责任公司 | Magnesium alloy flat ingot and preparation method thereof |
| CN115948668A (en) * | 2022-12-27 | 2023-04-11 | 东北轻合金有限责任公司 | Manufacturing method of high-strength heat-treatment strengthenable aluminum alloy plate quenched in air cushion furnace |
| CN116043078A (en) * | 2022-12-27 | 2023-05-02 | 东北轻合金有限责任公司 | Manufacturing method for improving grain size of Al-Zn-Mg-Cu alloy annealed sheet |
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| JP2010189750A (en) * | 2009-02-20 | 2010-09-02 | Kobe Steel Ltd | High-strength aluminum alloy wire and rod material excellent in softening resistance and method of manufacturing the same |
| CN101831567A (en) * | 2010-06-02 | 2010-09-15 | 东北轻合金有限责任公司 | Preparation method of large-size aluminum alloy ingot |
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| JP2010189750A (en) * | 2009-02-20 | 2010-09-02 | Kobe Steel Ltd | High-strength aluminum alloy wire and rod material excellent in softening resistance and method of manufacturing the same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109957691A (en) * | 2019-03-22 | 2019-07-02 | 广西南南铝加工有限公司 | A kind of preparation method of wide cut alclad sheet super large slab ingot |
| CN110438378A (en) * | 2019-09-16 | 2019-11-12 | 营口忠旺铝业有限公司 | A kind of 2 line aluminium alloy melting and casting methods |
| CN112522649A (en) * | 2020-12-03 | 2021-03-19 | 东北轻合金有限责任公司 | Manufacturing method of high-strength high-toughness large-size aluminum alloy plate for large passenger plane |
| CN113930648A (en) * | 2021-10-15 | 2022-01-14 | 东北轻合金有限责任公司 | Preparation method of high-zinc-aluminum alloy flat ingot |
| CN114318095A (en) * | 2021-12-24 | 2022-04-12 | 东北轻合金有限责任公司 | Magnesium alloy flat ingot and preparation method thereof |
| CN114318077A (en) * | 2021-12-28 | 2022-04-12 | 东北轻合金有限责任公司 | Manufacturing method of Al-Si-Mn-Zn aluminum alloy flat ingot |
| CN115948668A (en) * | 2022-12-27 | 2023-04-11 | 东北轻合金有限责任公司 | Manufacturing method of high-strength heat-treatment strengthenable aluminum alloy plate quenched in air cushion furnace |
| CN116043078A (en) * | 2022-12-27 | 2023-05-02 | 东北轻合金有限责任公司 | Manufacturing method for improving grain size of Al-Zn-Mg-Cu alloy annealed sheet |
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Application publication date: 20170811 |