CN103014433A - Preparation method of aluminum alloy material for heat exchanger - Google Patents
Preparation method of aluminum alloy material for heat exchanger Download PDFInfo
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- CN103014433A CN103014433A CN2012105056428A CN201210505642A CN103014433A CN 103014433 A CN103014433 A CN 103014433A CN 2012105056428 A CN2012105056428 A CN 2012105056428A CN 201210505642 A CN201210505642 A CN 201210505642A CN 103014433 A CN103014433 A CN 103014433A
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Abstract
The invention relates to a preparation method of an aluminum alloy material for a heat exchanger. The aluminum alloy material comprises the following components in percentage by weight: 1.8-2.0% of silicon, 0.5-1.0% of manganese, 0.8-1.2% of copper, 0.05-0.1% of Ti, 0.03-0.05% of niobium, 0.3-0.35% of vanadium, 0.003-0.005% of boron, 0.1-0.3% of nickel, 0.1-0.3% of chromium, 0.1-0.3% of zirconium, 0.05-0.08% of tin, 0.003-0.005% of bismuth, and the balance of aluminum. In the technical scheme, through adding titanium, zirconium, niobium elements to the aluminum element, the grains of the aluminum alloy structure are small and uniform, and through adding boron, nickel, vanadium, tin, and copper elements, the corrosion resistance of the aluminum alloy is improved.
Description
Technical field
The invention belongs to field of aluminum alloys, refer to especially a kind of automobile aluminium alloy material preparation method for material of heat exchanger.
Background technology
The heat exchangers such as used scatterer, condenser on the automobile have now used lightweight and the good aluminium alloy of heat conduction efficiency to substitute copper and Cu alloy material valuable and that density is large.And in the motor racing process, heat exchanger can be subject to very strong vibrations, but heat exchanger is in order to improve radiating effect, and what all adopt is that thin sheet material processes, and this has high strength and toughness with regard to the aluminium alloy that requires to make heat exchanger.
Heat exchanger in use, different with the right environment of medial surface because of the outside, in order to improve the Corrosion Protection of heat exchanger, the existing technology of using is inboard at the tube wall of heat exchanger and the outside sacrifice corrosion-resistant coating that all superposes.For the sacrifice corrosion-resistant coating of inboard, because thickness is limited, after this corrosion-resistant coating is corroded, will directly face aluminum alloy materials, therefore, in order to improve the work-ing life of heat exchanger, the corrosion resistance nature that improves aluminum alloy materials is best selection.
Summary of the invention
The purpose of this invention is to provide a kind of automobile with the aluminum alloy materials of heat exchanger, by the technical program, can improve the corrosion resistance nature of heat exchanger.
The present invention is achieved by the following technical solutions:
A kind of aluminium alloy material preparation method for material of heat exchanger is:
Batching, be by weight percentage, the boron of the niobium of the copper of the silicon of 1.8-2.0%, the manganese of 0.5-1.0%, 0.8-1.2%, the titanium of 0.05-0.1%, 0.03-0.05%, the vanadium of 0.3-0.35%, 0.003-0.005%, the nickel of 0.1-0.3%, the chromium of 0.1-0.3%, the zirconium of 0.1-0.3%, the tin of 0.05-0.08%, the bismuth of 0.003-0.005%, surplus are that aluminium is prepared burden
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 1-2 hour after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot;
Quench, be rolled into finished product aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 ℃ of quenching furnances after.
As further improvement, described aluminum alloy materials batching also includes the magnesium of 0.3-0.5%, the calcium of 0.1-0.2% and the iron of 0.1-0.3%.
Described temperature-fall period divides two stages, and first stage is at the uniform velocity being cooled to 400-430 ℃, and cooling rate is 25-30 ℃/minute; Second stage be fast cooling to 130-150 ℃, speed is 2 ℃/second.
Described tin and copper are to add in the gun-metal mode.
Described titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds.
The beneficial effect that the present invention compares with prior art is:
In the technical program, so that aluminum alloy organization's crystal grain is tiny evenly, and by adding boron, nickel, vanadium, tin and copper, improved the corrosion resistance nature of aluminium alloy by in aluminium element, adding titanium, zirconium, niobium element.
Embodiment
Describe by the following examples technical solution of the present invention in detail, should be understood that, following embodiment only can be used for explaining the present invention and can not be interpreted as to be limitation of the present invention.
Described preparation method is:
Batching, be by weight percentage, the boron of the niobium of the copper of the silicon of 1.8-2.0%, the manganese of 0.5-1.0%, 0.8-1.2%, the titanium of 0.05-0.1%, 0.03-0.05%, the vanadium of 0.3-0.35%, 0.003-0.005%, the nickel of 0.1-0.3%, the chromium of 0.1-0.3%, the zirconium of 0.1-0.3%, the tin of 0.05-0.08%, the bismuth of 0.003-0.005%, surplus are that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds;
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 1-2 hour after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot;
Quench, be rolled into finished product aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 ℃ of quenching furnances after.
As further improvement, described aluminum alloy materials also includes the magnesium of 0.3-0.5%, the calcium of 0.1-0.2% and the iron of 0.1-0.3%.
Described tin and copper are to add in the gun-metal mode.
Described titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds.
Described temperature-fall period divides two stages, and first stage is at the uniform velocity being cooled to 400-430 ℃, and cooling rate is 25-30 ℃/minute; Second stage be fast cooling to 130-150 ℃, speed is 2 ℃/second.Why divide the cooling of two stages to be because, produce layering and affect intensity if the too fast meeting of cooling rate of beginning causes the tissue of aluminum alloy ingot, the fast cooling in later stage is to guarantee that the aluminium alloy interior tissue is even, does not reduce coarse grained appearance.
Embodiment 1
Described preparation method is:
Batching, be by weight percentage, 1.8% silicon, 0.5% manganese, 0.8% copper, 0.05% titanium, 0.03% niobium, 0.3% vanadium, 0.003% boron, 0.1% nickel, 0.1% chromium, 0.1% zirconium, 0.05% tin, 0.003% bismuth, surplus are that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds;
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 1 hour after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot; Temperature-fall period divides two stages, and first stage is at the uniform velocity being cooled to 400-430 ℃, and cooling rate is 25-30 ℃/minute; Second stage be fast cooling to 130-150 ℃, speed is 2 ℃/second;
Quench, be rolled into finished product aluminum alloy ingot is incubated 2.5 hours in 550 ± 20 ℃ of quenching furnances after.
Embodiment 2
Described preparation method is:
Batching, be by weight percentage, 2.0% silicon, 1.0% manganese, 1.2% copper, 0.1% titanium, 0.05% niobium, 0.35% vanadium, 0.005% boron, 0.3% nickel, 0.3% chromium, 0.3% zirconium, 0.08% tin, 0.005% bismuth, surplus are that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds;
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 2 hours after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot;
Quench, be rolled into finished product aluminum alloy ingot is incubated 3.5 hours in 550 ± 20 ℃ of quenching furnances after.
Embodiment 3
Described preparation method is:
Batching, be by weight percentage, 1.85% silicon, 0.8% manganese, 1.0% copper, 0.06% titanium, 0.035% niobium, 0.32% vanadium, 0.004% boron, 0.2% nickel, 0.2% chromium, 0.25% zirconium, 0.06% tin, 0.0045% bismuth, 0.35% magnesium, 0.1% calcium and 0.15% iron surplus are that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds;
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 1.5 hours after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot;
Quench, be rolled into finished product aluminum alloy ingot is incubated 3 hours in 550 ± 20 ℃ of quenching furnances after.
Claims (5)
1. the aluminium alloy material preparation method for material of a heat exchanger is characterized in that:
Batching, be by weight percentage, the boron of the niobium of the copper of the silicon of 1.8-2.0%, the manganese of 0.5-1.0%, 0.8-1.2%, the titanium of 0.05-0.1%, 0.03-0.05%, the vanadium of 0.3-0.35%, 0.003-0.005%, the nickel of 0.1-0.3%, the chromium of 0.1-0.3%, the zirconium of 0.1-0.3%, the tin of 0.05-0.08%, the bismuth of 0.003-0.005%, surplus are that aluminium is prepared burden
Melting, add other material and remaining aluminium after the aluminium of the gun-metal in the above-mentioned materials, nickel and chromium and half quantity is smelted into liquid, and insulation 1-2 hour after being warmed up to 750 ± 20 ℃, carry out again 700 ℃ of constant temperature and cast and cool to 130-150 ℃ and become aluminum alloy ingot;
Quench, be rolled into finished product aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 ℃ of quenching furnances after.
2. the aluminium alloy material preparation method for material of heat exchanger according to claim 1, it is characterized in that: described aluminum alloy materials also includes the magnesium of 0.3-0.5%, the calcium of 0.1-0.2% and the iron of 0.1-0.3%.
3. the aluminium alloy material preparation method for material of heat exchanger according to claim 1, it is characterized in that: described temperature-fall period divides two stages, and first stage is at the uniform velocity being cooled to 400-430 ℃, and cooling rate is 25-30 ℃/minute; Second stage be fast cooling to 130-150 ℃, speed is 2 ℃/second.
4. the aluminium alloy material preparation method for material of heat exchanger according to claim 1, it is characterized in that: described tin and copper are to add in the gun-metal mode.
5. the aluminium alloy material preparation method for material of heat exchanger according to claim 1 is characterized in that: described titanium, niobium, vanadium, zirconium, bismuth are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum, zirconium alloy and bismuth aluminium alloy adds.
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| CN2012105056428A CN103014433A (en) | 2012-11-26 | 2012-11-26 | Preparation method of aluminum alloy material for heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352144A (en) * | 2013-07-02 | 2013-10-16 | 安徽天祥空调科技有限公司 | High-thermal conduction aluminum alloy for radiator of air-conditioner and manufacturing method thereof |
Citations (4)
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| WO2004068055A1 (en) * | 2003-01-27 | 2004-08-12 | Showa Denko K.K. | Heat exchanger and process for fabricating same |
| CN101631884A (en) * | 2007-03-20 | 2010-01-20 | 株式会社神户制钢所 | Aluminum alloy materials and aluminum alloy brazing sheet |
| CN102146540A (en) * | 2010-02-08 | 2011-08-10 | 株式会社神户制钢所 | Aluminum alloy clad member adopted to heat exchanger, and core material for the same |
| CN102489973A (en) * | 2011-12-23 | 2012-06-13 | 东北轻合金有限责任公司 | Method for manufacturing aluminum alloy hollow section for sedan bumper |
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- 2012-11-26 CN CN2012105056428A patent/CN103014433A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004068055A1 (en) * | 2003-01-27 | 2004-08-12 | Showa Denko K.K. | Heat exchanger and process for fabricating same |
| CN101631884A (en) * | 2007-03-20 | 2010-01-20 | 株式会社神户制钢所 | Aluminum alloy materials and aluminum alloy brazing sheet |
| CN102146540A (en) * | 2010-02-08 | 2011-08-10 | 株式会社神户制钢所 | Aluminum alloy clad member adopted to heat exchanger, and core material for the same |
| CN102489973A (en) * | 2011-12-23 | 2012-06-13 | 东北轻合金有限责任公司 | Method for manufacturing aluminum alloy hollow section for sedan bumper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352144A (en) * | 2013-07-02 | 2013-10-16 | 安徽天祥空调科技有限公司 | High-thermal conduction aluminum alloy for radiator of air-conditioner and manufacturing method thereof |
| CN103352144B (en) * | 2013-07-02 | 2016-01-20 | 安徽天祥空调科技有限公司 | High thermal conduction air conditioner heat radiator aluminium alloy and manufacture method thereof |
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Application publication date: 20130403 |