CN103014428A - Aluminum alloy material for automobile heat exchanger - Google Patents
Aluminum alloy material for automobile heat exchanger Download PDFInfo
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- CN103014428A CN103014428A CN2012105055957A CN201210505595A CN103014428A CN 103014428 A CN103014428 A CN 103014428A CN 2012105055957 A CN2012105055957 A CN 2012105055957A CN 201210505595 A CN201210505595 A CN 201210505595A CN 103014428 A CN103014428 A CN 103014428A
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Abstract
The invention relates to an aluminum alloy material for an automobile 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, 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 aluminum alloy materials 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 automobile aluminum alloy materials of heat exchanger, its composition is 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%, surplus is aluminium.
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%.
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.
A kind of automobile aluminum alloy materials of heat exchanger, its composition is 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%, surplus is aluminium.
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 are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy adds.
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%, surplus is that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium 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.
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, surplus is that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium 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, surplus is that aluminium is prepared burden; Wherein, tin and copper are to add in the gun-metal mode, and titanium, niobium, vanadium, zirconium are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium 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, 0.35% 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 are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium 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 (4)
1. an automobile is with the aluminum alloy materials of heat exchanger, it is characterized in that: its composition is 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%, surplus is aluminium.
2. automobile according to claim 1 is with the aluminum alloy materials of heat exchanger, and 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. automobile according to claim 1 and 2 is with the aluminum alloy materials of heat exchanger, and it is characterized in that: described tin and copper are to add in the gun-metal mode.
4. automobile according to claim 1 and 2 is characterized in that with the aluminum alloy materials of heat exchanger: described titanium, niobium, vanadium, zirconium are respectively that the mode with titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy adds.
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| CN2012105055957A CN103014428A (en) | 2012-11-26 | 2012-11-26 | Aluminum alloy material for automobile heat exchanger |
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| CN2012105055957A CN103014428A (en) | 2012-11-26 | 2012-11-26 | Aluminum alloy material for automobile heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014430A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Aluminum alloy material for automobile heat exchanger and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831054A (en) * | 1981-08-19 | 1983-02-23 | Sumitomo Light Metal Ind Ltd | Aluminum alloy having superior strength and corrosion resistance and its manufacture |
| 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 |
| CN103014430A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Aluminum alloy material for automobile heat exchanger and preparation method thereof |
-
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- 2012-11-26 CN CN2012105055957A patent/CN103014428A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5831054A (en) * | 1981-08-19 | 1983-02-23 | Sumitomo Light Metal Ind Ltd | Aluminum alloy having superior strength and corrosion resistance and its manufacture |
| 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 |
| CN103014430A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Aluminum alloy material for automobile heat exchanger and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014430A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Aluminum alloy material for automobile heat exchanger and preparation method thereof |
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Application publication date: 20130403 |