CN104561693B - A kind of high-strength aluminum alloy material for door and window and Technology for Heating Processing thereof - Google Patents
A kind of high-strength aluminum alloy material for door and window and Technology for Heating Processing thereof Download PDFInfo
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- CN104561693B CN104561693B CN201510068765.3A CN201510068765A CN104561693B CN 104561693 B CN104561693 B CN 104561693B CN 201510068765 A CN201510068765 A CN 201510068765A CN 104561693 B CN104561693 B CN 104561693B
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
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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
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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
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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Abstract
The invention discloses a kind of high-strength aluminum alloy material for door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.05 0.08%, Si:17.5 17.8%, Cu:5.15 5.18%, Mg:0.25 0.28%, Mn:2.55 2.58%, Cr:2.13 2.15%, Ni:12.3 12.5%, Ti:2.1 2.3%, Zn:11.8 12.2%, rare earth: 1.23 1.25%, remaining is Al and trace impurity；This high-strength aluminum alloy material being used for door and window is long for not only service life, and intensity is high, and safety is good, also has the strongest rub resistance and decay resistance；And the Technology for Heating Processing provided, processing cost can not only be reduced, shorten the process-cycle, and corrosion resistance and the welding performance of aluminium alloy can be improved, improve the quality of product.
Description
Technical field
The present invention relates to door and window fields, a kind of high-strength aluminum alloy material for door and window and Technology for Heating Processing thereof.
Background technology
Along with the requirement of high strength alumin ium alloy is improved by every profession and trade day by day, and propose a series of requirements such as top load, lighting, high-strength, high-ductility, high-modulus, good corrosion resisting property and welding performance, and the range of application of aluminium alloy is more and more wider, vital effect is played in all trades and professions, but it is low that current aluminium alloy yet suffers from intensity, service life is short, high in cost of production problem.
Summary of the invention
The technical problem to be solved is, shortcoming for above prior art, a kind of high-strength aluminum alloy material for door and window and Technology for Heating Processing thereof are proposed, this high-strength aluminum alloy material being used for door and window is long for not only service life, and intensity is high, safety is good, also has the strongest rub resistance and decay resistance；The Technology for Heating Processing of this offer, can not only reduce processing cost, shortens the process-cycle, and can improve corrosion resistance and the welding performance of aluminium alloy, improves the quality of product.
In order to solve above-mentioned technical problem, the technical scheme is that and be accomplished by: a kind of high-strength aluminum alloy material for door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.05-0.08%, Si:17.5-17.8%, Cu:5.15-5.18%, Mg:0.25-0.28%, Mn:2.55-2.58%, Cr:2.13-2.15%, Ni:12.3-12.5%, Ti:2.1-2.3%, Zn:11.8-12.2%, rare earth: 1.23-1.25%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.2-12.5%, Tm:4-6%, Dy:8.2-8.5%, Yb:12.5-12.8%, Nd:11-13%, Sm:5-8%, surplus is La.
Present invention also offers the Technology for Heating Processing of a kind of high-strength aluminum alloy material for door and window, this technique sequentially includes the following steps:
Step (1): in boiler smelting process, is first divided into two parts by rare earth, and then furnace temperature rises to 300-310 DEG C, adds alloy material and a rare earth, is then heated to 460-465 DEG C, is incubated 2-3h；
Step (2): again through LF stove refine, by Control for Kiln Temperature at 680-685 DEG C, add another part of rare earth, time is maintained at 2-4h, omnidistance nitrogen blowing stirring, makes chemical analysis reach component requirements, being de-gassed with vacuum degassing furnace, degassing temperature is 625-630 DEG C, and pumpdown time is at 5-6h；
Step (3): carry out argon shield molding at a temperature of 650-655 DEG C, keep the temperature at 400-410 DEG C after solidification, temperature retention time is 24-26h, and last air cooling is to room temperature；
Step (4): the parts forged are carried out heat treatment for the first time: the parts forged are heated to 290-295 DEG C, insulation 45-48min, then it is cooled to room temperature by the air-cooled speed with 5-7 DEG C/s, is then heated to 345-350 DEG C, be cooled to room temperature by water-cooled with 16-18 DEG C/s；
Step (5): the parts forged are carried out second time heat treatment: be heated to 320-325 DEG C, insulation 5-8h, then water-cooled is cooled to 260-270 DEG C with the speed of 18-25 DEG C/s, is cooled to room temperature in the cold speed with 13-14 DEG C/s of oil, finally clean surface, check size.
The technical scheme that the present invention limits further is:
It is previously described for the high-strength aluminum alloy material of door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.05%, Si:17.5%, Cu:5.15%, Mg:0.25%, Mn:2.55%, Cr:2.13%, Ni:12.3%, Ti:2.1%, Zn:11.8%, rare earth: 1.23%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.2%, Tm:4%, Dy:8.2%, Yb:12.5%, Nd:11%, Sm:5%, surplus is La.
It is previously described for the high-strength aluminum alloy material of door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.08%, Si:17.8%, Cu:5.18%, Mg:0.28%, Mn:2.58%, Cr:2.15%, Ni:12.5%, Ti:2.3%, Zn:12.2%, rare earth: 1.25%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.5%, Tm:6%, Dy:8.5%, Yb:12.8%, Nd:13%, Sm:8%, surplus is La.
It is previously described for the high-strength aluminum alloy material of door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.06%, Si:17.6%, Cu:5.17%, Mg:0.26%, Mn:2.57%, Cr:2.14%, Ni:12.4%, Ti:2.2%, Zn:11.9%, rare earth: 1.24%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.3%, Tm:5%, Dy:8.4%, Yb:12.6%, Nd:12%, Sm:6%, surplus is La.
The invention has the beneficial effects as follows: this is used in the high-strength aluminum alloy material of door and window adding Cu element can increase intensity and the antioxygenic property of aluminium alloy, improves service life；Add Mg element and can improve its welding performance, increase its corrosion resistance and intensity；Add Ti element, titanium forms TiAl2 phase with aluminum, become heterogeneous necleus during crystallization, play effect etc. of refinement cast sturcture and seam organization, and also add rare earth element, can not only the effect of crystal grain thinning in heat treatment process, increase its structural strength, its corrosion resistance and frictional behaviour can also be improved, improve its service life, reduce cost；The Technology for Heating Processing of this offer, can not only reduce processing cost, shortens the process-cycle, and can improve corrosion resistance and the welding performance of aluminium alloy, improves the quality of product.
Detailed description of the invention
The present invention is described in further detail below:
Embodiment 1
The present embodiment provides a kind of high-strength aluminum alloy material for door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.05%, Si:17.5%, Cu:5.15%, Mg:0.25%, Mn:2.55%, Cr:2.13%, Ni:12.3%, Ti:2.1%, Zn:11.8%, rare earth: 1.23%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.2%, Tm:4%, Dy:8.2%, Yb:12.5%, Nd:11%, Sm:5%, surplus is La；This embodiment additionally provides the Technology for Heating Processing of the high-strength aluminum alloy material for door and window, and this technique sequentially includes the following steps:
Step (1): in boiler smelting process, is first divided into two parts by rare earth, and then furnace temperature rises to 300 DEG C, adds alloy material and a rare earth, is then heated to 460 DEG C, is incubated 2h；
Step (2): again through LF stove refine, by Control for Kiln Temperature at 680 DEG C, add another part of rare earth, time is maintained at 2h, omnidistance nitrogen blowing stirring, makes chemical analysis reach component requirements, being de-gassed with vacuum degassing furnace, degassing temperature is 625 DEG C, and pumpdown time is at 5h；
Step (3): carry out argon shield molding at a temperature of 650 DEG C, keep the temperature at 400 DEG C after solidification, temperature retention time is 24h, and last air cooling is to room temperature；
Step (4): the parts forged are carried out for the first time heat treatment: parts forge are heated to 290 DEG C, insulation 45min, then it is cooled to room temperature by the air-cooled speed with 5 DEG C/s, is then heated to 345 DEG C, be cooled to room temperature by water-cooled with 16 DEG C/s；
Step (5): the parts forged carrying out second time heat treatment: be heated to 320 DEG C, be incubated 5h, then water-cooled is cooled to 260 DEG C with the speed of 18 DEG C/s, is cooled to room temperature in the cold speed with 13 DEG C/s of oil, finally cleans surface, check size.
Embodiment 2
The present embodiment provides a kind of high-strength aluminum alloy material for door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.08%, Si:17.8%, Cu:5.18%, Mg:0.28%, Mn:2.58%, Cr:2.15%, Ni:12.5%, Ti:2.3%, Zn:12.2%, rare earth: 1.25%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.5%, Tm:6%, Dy:8.5%, Yb:12.8%, Nd:13%, Sm:8%, surplus is La；This embodiment additionally provides the Technology for Heating Processing of the high-strength aluminum alloy material for door and window, and this technique sequentially includes the following steps:
Step (1): in boiler smelting process, is first divided into two parts by rare earth, and then furnace temperature rises to 310 DEG C, adds alloy material and a rare earth, is then heated to 465 DEG C, is incubated 3h；
Step (2): again through LF stove refine, by Control for Kiln Temperature at 685 DEG C, add another part of rare earth, time is maintained at 4h, omnidistance nitrogen blowing stirring, makes chemical analysis reach component requirements, being de-gassed with vacuum degassing furnace, degassing temperature is 630 DEG C, and pumpdown time is at 6h；
Step (3): carry out argon shield molding at a temperature of 655 DEG C, keep the temperature at 410 DEG C after solidification, temperature retention time is 26h, and last air cooling is to room temperature；
Step (4): the parts forged are carried out for the first time heat treatment: parts forge are heated to 295 DEG C, insulation 48min, then it is cooled to room temperature by the air-cooled speed with 7 DEG C/s, is then heated to 350 DEG C, be cooled to room temperature by water-cooled with 18 DEG C/s；
Step (5): the parts forged carrying out second time heat treatment: be heated to 325 DEG C, be incubated 8h, then water-cooled is cooled to 270 DEG C with the speed of 25 DEG C/s, is cooled to room temperature in the cold speed with 14 DEG C/s of oil, finally cleans surface, check size.
Embodiment 3
The present embodiment provides a kind of high-strength aluminum alloy material for door and window, the mass percent of aluminum alloy materials chemical composition is: C:0.06%, Si:17.6%, Cu:5.17%, Mg:0.26%, Mn:2.57%, Cr:2.14%, Ni:12.4%, Ti:2.2%, Zn:11.9%, rare earth: 1.24%, remaining is Al and trace impurity；In rare earth, comprise following components by weight percentage: Gd:12.3%, Tm:5%, Dy:8.4%, Yb:12.6%, Nd:12%, Sm:6%, surplus is La；This embodiment additionally provides the Technology for Heating Processing of the high-strength aluminum alloy material for door and window, and this technique sequentially includes the following steps:
Step (1): in boiler smelting process, is first divided into two parts by rare earth, and then furnace temperature rises to 305 DEG C, adds alloy material and a rare earth, is then heated to 462 DEG C, is incubated 2.5h；
Step (2): again through LF stove refine, by Control for Kiln Temperature at 682 DEG C, add another part of rare earth, time is maintained at 3h, omnidistance nitrogen blowing stirring, makes chemical analysis reach component requirements, being de-gassed with vacuum degassing furnace, degassing temperature is 628 DEG C, and pumpdown time is at 5.5h；
Step (3): carry out argon shield molding at a temperature of 652 DEG C, keep the temperature at 405 DEG C after solidification, temperature retention time is 25h, and last air cooling is to room temperature；
Step (4): the parts forged are carried out for the first time heat treatment: parts forge are heated to 292 DEG C, insulation 47min, then it is cooled to room temperature by the air-cooled speed with 6 DEG C/s, is then heated to 348 DEG C, be cooled to room temperature by water-cooled with 17 DEG C/s；
Step (5): the parts forged carrying out second time heat treatment: be heated to 323 DEG C, be incubated 7h, then water-cooled is cooled to 265 DEG C with the speed of 19 DEG C/s, is cooled to room temperature in the cold speed with 13.5 DEG C/s of oil, finally cleans surface, check size.
So by the technical scheme of embodiment, proposing a kind of high-strength aluminum alloy material for door and window and Technology for Heating Processing thereof, this high-strength aluminum alloy material being used for door and window is long for not only service life, and intensity is high, safety is good, also has the strongest rub resistance and decay resistance；The Technology for Heating Processing of this offer, can not only reduce processing cost, shortens the process-cycle, and can improve corrosion resistance and the welding performance of aluminium alloy, improves the quality of product.
Above example is only the technological thought that the present invention is described, it is impossible to limiting protection scope of the present invention with this, every technological thought proposed according to the present invention, any change done on the basis of technical scheme, within each falling within scope.
Claims (4)
1. the high-strength aluminum alloy material for door and window, it is characterised in that: the quality hundred of described aluminum alloy materials chemical composition
Proportion by subtraction is: C:0.05-0.08%, Si:17.5-17.8%, Cu:5.15-5.18%, Mg:0.25-0.28%, Mn:2.55-2.58%,
Cr:2.13-2.15%, Ni:12.3-12.5%, Ti:2.1-2.3%, Zn:11.8-12.2%, rare earth: 1.23-1.25%,
Remaining is Al and trace impurity；
In described rare earth, comprise following components by weight percentage: Gd:12.2-12.5%, Tm:4-6%, Dy:8.2-8.5%,
Yb:12.5-12.8%, Nd:11-13%, Sm:5-8%, surplus is La；
Wherein being used for the Technology for Heating Processing of the high-strength aluminum alloy material of door and window, this technique sequentially includes the following steps:
Step (1): in boiler smelting process, is first divided into two parts by rare earth, and then furnace temperature rises to 300-310 DEG C, adds
Alloy material and a rare earth, be then heated to 460-465 DEG C, be incubated 2-3h；
Step (2): again through LF stove refine, by Control for Kiln Temperature at 680-685 DEG C, adding another part of rare earth, the time is maintained at
2-4h, omnidistance nitrogen blowing stirring, make chemical analysis reach component requirements, be de-gassed with vacuum degassing furnace, degassing temperature is
625-630 DEG C, pumpdown time is at 5-6h；
Step (3): carry out argon shield molding at a temperature of 650-655 DEG C, keep the temperature at 400-410 DEG C after solidification,
Temperature retention time is 24-26h, and last air cooling is to room temperature；
Step (4): the parts forged are carried out heat treatment for the first time: the parts forged are heated to 290-295 DEG C, insulation
45-48min, is then cooled to room temperature by the air-cooled speed with 5-7 DEG C/s, is then heated to 345-350 DEG C, with water-cooled with
16-18 DEG C/s is cooled to room temperature；
Step (5): the parts forged are carried out second time heat treatment: be heated to 320-325 DEG C, be incubated 5-8h, then water
The cold speed with 18-25 DEG C/s is cooled to 260-270 DEG C, is cooled to room temperature, the most clearly in the cold speed with 13-14 DEG C/s of oil
Wash surface, check size.
High-strength aluminum alloy material for door and window the most according to claim 1, it is characterised in that: described aluminum alloy materials
The mass percent of chemical composition is: C:0.05%, Si:17.5%, Cu:5.15%, Mg:0.25%, Mn:2.55%, Cr:
2.13%, Ni:12.3%, Ti:2.1%, Zn:11.8%, rare earth: 1.23%, remaining is Al and trace impurity；
In described rare earth, comprise following components by weight percentage: Gd:12.2%, Tm:4%, Dy:8.2%, Yb:12.5%,
Nd:11%, Sm:5%, surplus is La.
High-strength aluminum alloy material for door and window the most according to claim 1, it is characterised in that: described aluminum alloy materials
The mass percent of chemical composition is: C:0.08%, Si:17.8%, Cu:5.18%, Mg:0.28%, Mn:2.58%, Cr:
2.15%, Ni:12.5%, Ti:2.3%, Zn:12.2%, rare earth: 1.25%, remaining is Al and trace impurity；
In described rare earth, comprise following components by weight percentage: Gd:12.5%, Tm:6%, Dy:8.5%, Yb:12.8%,
Nd:13%, Sm:8%, surplus is La.
High-strength aluminum alloy material for door and window the most according to claim 1, it is characterised in that: described aluminum alloy materials
The mass percent of chemical composition is: C:0.06%, Si:17.6%, Cu:5.17%, Mg:0.26%, Mn:2.57%, Cr:
2.14%, Ni:12.4%, Ti:2.2%, Zn:11.9%, rare earth: 1.24%, remaining is Al and trace impurity；
In described rare earth, comprise following components by weight percentage: Gd:12.3%, Tm:5%, Dy:8.4%, Yb:12.6%,
Nd:12%, Sm:6%, surplus is La.
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| CN107217189A (en) * | 2017-05-23 | 2017-09-29 | 四川爱斯兰特门窗科技有限公司 | Door and window aluminium with heat preservation and soundproof effect |
| CN107267822A (en) * | 2017-06-03 | 2017-10-20 | 合肥伊只门窗有限公司 | A kind of anticorrosion aluminium door and window and its preparation technology |
| CN116479295B (en) * | 2023-04-04 | 2024-06-04 | 凤阳爱尔思轻合金精密成型有限公司 | Extrusion casting aluminum alloy material and preparation process thereof |
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| CN101665882B (en) * | 2009-09-30 | 2013-06-19 | 四川大学 | Aluminum preliminary alloy refiner containing titanium and vanadium, aluminum alloy containing titanium and vanadium and preparation method |
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Effective date of registration: 20161008 Address after: 215104 Suzhou, Wuzhong District Yue Creek Street, Swan Road, No. 10 Applicant after: Suzhou Jing Yuan oil pressure Machinery Co., Ltd. Address before: 215156, Suzhou, Jiangsu province Wuzhong District Xu town and Feng Road, No. 388 Applicant before: Dragon Lord door and window company limited of Suzhou City |
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