CN105568071A - High-strength high-elongation aluminum foil for air-conditioner and manufacturing method of such aluminum foil - Google Patents
High-strength high-elongation aluminum foil for air-conditioner and manufacturing method of such aluminum foil Download PDFInfo
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- CN105568071A CN105568071A CN201511024560.1A CN201511024560A CN105568071A CN 105568071 A CN105568071 A CN 105568071A CN 201511024560 A CN201511024560 A CN 201511024560A CN 105568071 A CN105568071 A CN 105568071A
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- rolling
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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
-
- 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
- B22D11/16—Controlling or regulating processes or operations
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
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- Materials Engineering (AREA)
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- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a high-strength high-elongation aluminum foil for an air-conditioner. The high-strength high-elongation aluminum foil consists of the following components in percentage by weight: 0.32-0.38% of Fe, 0.20-0.26% of Si, 0-0.03% of Cu, 0.29-0.35% of Mn, 0-0.01% of Mg, 0.032-0.052% of Zr, 0.035-0.055% of Cr, 0.02-0.04% of Ti, and the balance of aluminum. A manufacturing method of such an aluminum foil comprises the steps of carrying out annealing and subsequent hot rolling after semi-continuous casting, carrying out intermediate annealing after preliminary cold rolling, followed by secondary cold rolling, and then carrying out finished product annealing; the finished product has the tensile strength of 135-145MPa, the yield strength of greater than or equal to 130MPa, and the elongation of 16-20%.
Description
Technical field
The present invention relates to a kind of alumium Foil for air conditioner and manufacture method thereof, more particularly, relate to a kind of high strength, high-elongation alumium Foil for air conditioner and manufacture method thereof.
Background technology
Along with the development of science and technology and the raising of people's living standard, conditioner is constantly towards future development that is small-sized, efficient, energy-conservation, that reduce production cost.Require the reduced thickness of producing conditioner fin aluminium foil, there is high intensity, high plasticity and high deep drawing quality simultaneously, to adapt to the thin-walled property of fin, reach the object reduced costs.The intensity of casting and roll process 3102 air-conditioner foil is higher, and tensile strength controls at 135 ~ 145MPa, and plasticity is poor, unit elongation: 10 ~ 15%, is unfavorable for that deep-draw is out of shape.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, task of the present invention there are provided one and meets high strength, high-elongation alumium Foil for air conditioner, and another task of the present invention is the manufacture method providing this alumium Foil for air conditioner.
Technical scheme of the present invention is such, a kind of high-strength high-elongation ratio alumium Foil for air conditioner, its moiety and weight percent are: Fe:0.32 ~ 0.38%, Si:0.20 ~ 0.26%, Cu:0 ~ 0.03%, Mn:0.29 ~ 0.35%, Mg:0 ~ 0.01%, Zr:0.032 ~ 0.052%, Cr:0.035 ~ 0.055%, Ti:0.02 ~ 0.04%, and surplus is aluminium.
A manufacture method for high-strength high-elongation ratio alumium Foil for air conditioner, comprises following processing step:
(1) starting material are added melting in smelting furnace by each weight percentages of components by melting and refining, and then in standing furnace refining, moiety Ti adds in chute with Al-Ti-B filate formula;
(2) semicontinuous casting, on semicontinuous caster, casting obtains ingot casting;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 540 ~ 600 DEG C, is incubated 5 ~ 10 hours;
(4) hot rolling, is rolled to the hot rolling blank that 7.0mm is thick by ingot casting;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 2.0 ~ 3.0mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 350 ~ 410 DEG C, is incubated 4 ~ 8 hours;
(6) cold rolling, the aluminium strip of 2.0 ~ 3.0mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 240 ~ 300 DEG C, is incubated 5 ~ 9 hours;
(8) after straightening, shearing, obtained high-strength high-elongation ratio alumium Foil for air conditioner.
In described step (1), during melting, melt temperature is 730 ~ 760 DEG C.
In described step (1), during refining, refining temperature is 730 ~ 750 DEG C, refining time 10 ~ 15 minutes.
In described step (4), during hot rolling, start rolling temperature is 500 ~ 530 DEG C, finishing temperature > 350 DEG C.
For obtaining more even, tiny cast structure's crystal grain, in described step (2), semicontinuous caster is cast, controlling casting temp is 690 ~ 700 DEG C, and casting speed is 45 ~ 55mm/min, and cooling water flow is 200 ~ 260m
3/ h.
The advantage of technical scheme provided by the present invention is, the choose reasonable content of Fe, Si, Mn, Zr, Ti and Cr element, annealing operation is carried out by selecting correct position, control annealing parameter, and the casting temp, casting speed and the cooling water flow parameter that control in semicontinuous casting process, obtain more even, tiny cast structure's crystal grain, and then obtain high-performance aluminum foil finished product.
Make finished product tensile strength control at 135 ~ 145MPa by the optimization of composition and the combination of above-mentioned production technique, yield strength: >=130MPa, unit elongation: 16 ~ 20%, finally can meet the demand of user.
Accompanying drawing explanation
Fig. 1 is the aluminium foil metallographic structure figure of embodiment 1.
Embodiment
Below in conjunction with embodiment, the invention will be further described, but not as a limitation of the invention.
Embodiment 1
Starting material are proportioning as following weight percent, Fe:0.35%, Si:0.22%, Cu:0.01%, Mn:0.32%, Mg:0.005%, Zr:0.041%, Cr:0.036%, Ti:0.025%, and surplus is aluminium.High strength, high-elongation alumium Foil for air conditioner manufacturing process are as follows:
(1) starting material of described weight percent are put into smelting furnace, during melting, melt temperature is 740 DEG C, and in standing furnace, refining temperature is 730 DEG C, refining time 10 minutes, and moiety Ti adds in chute with Al-Ti-B filate formula;
(2) cast on semicontinuous caster, for obtaining more even, tiny cast structure's crystal grain, casting technological parameter controls as follows: casting temp is 700 DEG C, casting speed 50mm/min, and cooling water flow is 230m
3/ h;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 550 DEG C, is incubated 7 hours;
(4) hot rolling, start rolling temperature is 520 DEG C, finishing temperature 360 DEG C.Ingot casting is rolled to the hot rolling blank that 7.0mm is thick;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 2.4mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 370 DEG C, is incubated 5 hours;
(6) cold rolling, the aluminium strip of 2.4mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 260 DEG C, is incubated 6 hours;
(8) after straightening, shearing, high strength of the present invention, high-elongation alumium Foil for air conditioner is namely made.The mechanical property of the aluminium foil produced: tensile strength 140MPa, yield strength: 132MPa, unit elongation: 18%.
Embodiment 2
Starting material are proportioning as following weight percent, Fe:0.32%, Si:0.25%, Cu:0.03%, Mn:0.29%, Mg:0.005%, Zr:0.052%, Cr:0.035%, Ti:0.034%, and surplus is aluminium.High strength, high-elongation alumium Foil for air conditioner manufacturing process are as follows:
(1) starting material of described weight percent are put into smelting furnace, during melting, melt temperature is 730 DEG C, and in standing furnace, refining temperature is 730 DEG C, refining time 12 minutes, and moiety Ti adds in chute with Al-Ti-B filate formula;
(2) cast on semicontinuous caster, for obtaining more even, tiny cast structure's crystal grain, casting technological parameter controls as follows: casting temp is 690 DEG C, casting speed 55mm/min, and cooling water flow is 260m
3/ h;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 585 DEG C, is incubated 9 hours;
(4) hot rolling, start rolling temperature is 530 DEG C, finishing temperature 355 DEG C.Ingot casting is rolled to the hot rolling blank that 7.0mm is thick;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 2.0mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 350 DEG C, is incubated 6 hours;
(6) cold rolling, the aluminium strip of 2.0mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 240 DEG C, is incubated 5 hours;
(8) after straightening, shearing, high strength of the present invention, high-elongation alumium Foil for air conditioner is namely made.The mechanical property of the aluminium foil produced: tensile strength 144MPa, yield strength: 134MPa, unit elongation: 20%.
Embodiment 3
Starting material are proportioning as following weight percent, Fe:0.37%, Si:0.20%, Cu:0.01%, Mn:0.35%, Mg:0.009%, Zr:0.035%, Cr:0.044%, Ti:0.02%, and surplus is aluminium.High strength, high-elongation alumium Foil for air conditioner manufacturing process are as follows:
(1) starting material of described weight percent are put into smelting furnace, during melting, melt temperature is 760 DEG C, and in standing furnace, refining temperature is 750 DEG C, refining time 15 minutes, and moiety Ti adds in chute with Al-Ti-B filate formula;
(2) cast on semicontinuous caster, for obtaining more even, tiny cast structure's crystal grain, casting technological parameter controls as follows: casting temp is 695 DEG C, casting speed 48mm/min, and cooling water flow is 210m
3/ h;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 540 DEG C, is incubated 5 hours;
(4) hot rolling, start rolling temperature is 500 DEG C, finishing temperature 360 DEG C.Ingot casting is rolled to the hot rolling blank that 7.0mm is thick;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 3.0mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 410 DEG C, is incubated 8 hours;
(6) cold rolling, the aluminium strip of 3.0mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 300 DEG C, is incubated 9 hours;
(8) after straightening, shearing, high strength of the present invention, high-elongation alumium Foil for air conditioner is namely made.The mechanical property of the aluminium foil produced: tensile strength 145MPa, yield strength: 131MPa, unit elongation: 16%.
Embodiment 4
Starting material are proportioning as following weight percent, Fe:0.38%, Si:0.26%, Cu:0.02%, Mn:0.35%, Mg:0.007%, Zr:0.032%, Cr:0.055%, Ti:0.04%, and surplus is aluminium.High strength, high-elongation alumium Foil for air conditioner manufacturing process are as follows:
(1) starting material of described weight percent are put into smelting furnace, during melting, melt temperature is 750 DEG C, and in standing furnace, refining temperature is 745 DEG C, refining time 13 minutes, and moiety Ti adds in chute with Al-Ti-B filate formula;
(2) cast on semicontinuous caster, for obtaining more even, tiny cast structure's crystal grain, casting technological parameter controls as follows: casting temp is 695 DEG C, casting speed 45mm/min, and cooling water flow is 200m
3/ h;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 600 DEG C, is incubated 10 hours;
(4) hot rolling, start rolling temperature is 510 DEG C, finishing temperature 360 DEG C.Ingot casting is rolled to the hot rolling blank that 7.0mm is thick;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 2.6mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 390 DEG C, is incubated 4 hours;
(6) cold rolling, the aluminium strip of 2.6mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 270 DEG C, is incubated 7 hours;
(8) after straightening, shearing, high strength of the present invention, high-elongation alumium Foil for air conditioner is namely made.The mechanical property of the aluminium foil produced: tensile strength 136MPa, yield strength: 137MPa, unit elongation: 19%.
Claims (6)
1. a high-strength high-elongation ratio alumium Foil for air conditioner, it is characterized in that, its moiety and weight percent are: Fe:0.32 ~ 0.38%, Si:0.20 ~ 0.26%, Cu:0 ~ 0.03%, Mn:0.29 ~ 0.35%, Mg:0 ~ 0.01%, Zr:0.032 ~ 0.052%, Cr:0.035 ~ 0.055%, Ti:0.02 ~ 0.04%, and surplus is aluminium.
2. a manufacture method for high-strength high-elongation ratio alumium Foil for air conditioner according to claim 1, is characterized in that, comprise the following steps:
(1) starting material are added melting in smelting furnace by each weight percentages of components by melting and refining, and then in standing furnace refining, moiety Ti adds in chute with Al-Ti-B filate formula;
(2) semicontinuous casting, on semicontinuous caster, casting obtains ingot casting;
(3) be placed on by ingot casting in annealing furnace and carry out homogenizing annealing, annealing temperature is 540 ~ 600 DEG C, is incubated 5 ~ 10 hours;
(4) hot rolling, is rolled to the hot rolling blank that 7.0mm is thick by ingot casting;
(5) cold rolling, the hot rolling blank of 7.0mm thickness is rolling to the aluminium strip of 2.0 ~ 3.0mm by cold-rolling mill, is then placed in annealing furnace and carries out process annealing, annealing temperature is 350 ~ 410 DEG C, is incubated 4 ~ 8 hours;
(6) cold rolling, the aluminium strip of 2.0 ~ 3.0mm is rolling to the aluminium foil of 0.115 ~ 0.15mm by cold-rolling mill;
(7) finished products, is placed on the aluminium foil of 0.115 ~ 0.15mm in annealing furnace and carries out finished products, annealing temperature 240 ~ 300 DEG C, is incubated 5 ~ 9 hours;
(8) after straightening, shearing, obtained high-strength high-elongation ratio alumium Foil for air conditioner.
3. the manufacture method of high-strength high-elongation ratio alumium Foil for air conditioner according to claim 2, is characterized in that: in described step (1), during melting, melt temperature is 730 ~ 760 DEG C.
4. the manufacture method of high-strength high-elongation ratio alumium Foil for air conditioner according to claim 2, is characterized in that: in described step (1), during refining, refining temperature is 730 ~ 750 DEG C, refining time 10 ~ 15 minutes.
5. the manufacture method of high-strength high-elongation ratio alumium Foil for air conditioner according to claim 2, is characterized in that: in described step (4), during hot rolling, start rolling temperature is 500 ~ 530 DEG C, finishing temperature > 350 DEG C.
6. the manufacture method of high-strength high-elongation ratio alumium Foil for air conditioner according to claim 2, it is characterized in that: in described step (2), semicontinuous caster is cast, controlling casting temp is 690 ~ 700 DEG C, casting speed is 45 ~ 55mm/min, and cooling water flow is 200 ~ 260m
3/ h.
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| CN201511024560.1A CN105568071A (en) | 2015-12-30 | 2015-12-30 | High-strength high-elongation aluminum foil for air-conditioner and manufacturing method of such aluminum foil |
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| CN201511024560.1A CN105568071A (en) | 2015-12-30 | 2015-12-30 | High-strength high-elongation aluminum foil for air-conditioner and manufacturing method of such aluminum foil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695538A (en) * | 2021-09-03 | 2021-11-26 | 中铝河南洛阳铝加工有限公司 | Preparation method of mirror-surface aluminum plate strip with high formability and mirror-surface aluminum plate strip |
| CN115369271A (en) * | 2022-08-31 | 2022-11-22 | 河南明晟新材料科技有限公司 | High-elongation 1235 cable aluminum foil and manufacturing method thereof |
| CN115478184A (en) * | 2022-09-06 | 2022-12-16 | 甘肃东兴铝业有限公司 | Preparation method of 3102 aluminum alloy strip |
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| JPH038501A (en) * | 1989-06-06 | 1991-01-16 | Furukawa Alum Co Ltd | Production of aluminum sheet having excellent surface gloss |
| JPH1161365A (en) * | 1997-08-22 | 1999-03-05 | Sky Alum Co Ltd | Production of aluminum alloy sheet for deep drawing |
| US20050019205A1 (en) * | 2001-01-25 | 2005-01-27 | Tom Davisson | Composition and method of forming aluminum alloy foil |
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| CN101693967A (en) * | 2009-10-22 | 2010-04-14 | 江苏常铝铝业股份有限公司 | Aluminum alloy foil for honeycomb core and process for preparation |
| CN101724770A (en) * | 2009-12-09 | 2010-06-09 | 长沙众兴铝业有限公司 | Brazed aluminum alloy foil with high strength and high corrosion resistance and manufacturing method thereof |
| EP2447662A1 (en) * | 2009-06-24 | 2012-05-02 | Sumitomo Light Metal Industries, Ltd. | Heat exchanger made from aluminum alloy, and process for production of coolant passage tube for use in the heat exchanger |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038501A (en) * | 1989-06-06 | 1991-01-16 | Furukawa Alum Co Ltd | Production of aluminum sheet having excellent surface gloss |
| JPH1161365A (en) * | 1997-08-22 | 1999-03-05 | Sky Alum Co Ltd | Production of aluminum alloy sheet for deep drawing |
| US20050019205A1 (en) * | 2001-01-25 | 2005-01-27 | Tom Davisson | Composition and method of forming aluminum alloy foil |
| CN101086049A (en) * | 2007-06-11 | 2007-12-12 | 江苏常铝铝业股份有限公司 | Aluminum alloy foil for package and its making method |
| EP2447662A1 (en) * | 2009-06-24 | 2012-05-02 | Sumitomo Light Metal Industries, Ltd. | Heat exchanger made from aluminum alloy, and process for production of coolant passage tube for use in the heat exchanger |
| CN101693967A (en) * | 2009-10-22 | 2010-04-14 | 江苏常铝铝业股份有限公司 | Aluminum alloy foil for honeycomb core and process for preparation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113695538A (en) * | 2021-09-03 | 2021-11-26 | 中铝河南洛阳铝加工有限公司 | Preparation method of mirror-surface aluminum plate strip with high formability and mirror-surface aluminum plate strip |
| CN115369271A (en) * | 2022-08-31 | 2022-11-22 | 河南明晟新材料科技有限公司 | High-elongation 1235 cable aluminum foil and manufacturing method thereof |
| CN115478184A (en) * | 2022-09-06 | 2022-12-16 | 甘肃东兴铝业有限公司 | Preparation method of 3102 aluminum alloy strip |
| CN115478184B (en) * | 2022-09-06 | 2024-02-13 | 甘肃东兴铝业有限公司 | Preparation method of 3102 aluminum alloy foil |
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Application publication date: 20160511 |