CN105349807A - Preparation method of aluminum alloy material of heat exchanger - Google Patents
Preparation method of aluminum alloy material of heat exchanger Download PDFInfo
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- CN105349807A CN105349807A CN201510769938.4A CN201510769938A CN105349807A CN 105349807 A CN105349807 A CN 105349807A CN 201510769938 A CN201510769938 A CN 201510769938A CN 105349807 A CN105349807 A CN 105349807A
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- aluminium
- aluminum alloy
- heat exchanger
- zirconium
- titanium
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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
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
Abstract
The invention relates to a preparation method of an aluminum alloy material of a heat exchanger. The material is composed of, by weight percentage, 1.8%-2.0% of silicon, 0.5%-1.0% of manganese, 0.8%-1.2% of copper, 0.05%-0.1% of titanium, 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, 0.1%-0.3% of magnesium, 0.3%-0.5% of zinc, 0.01%-0.05% of tungsten, 0.05%-0.08% of tin and the balance aluminum. In the technical scheme, titanium, zirconium and niobium are added into the aluminum element, so that grains of an aluminum alloy structure are small and uniform; and boron, nickel, vanadium, tin and copper are added, and therefore corrosion-resisting performance of the aluminum alloy is improved.
Description
Technical field
The invention belongs to field of aluminum alloys, refer to a kind of aluminium alloy material preparation method for material of heat exchanger especially.
Background technology
The heat exchangers such as scatterer used on automobile, condenser, existing have used lightweight and the good aluminium alloy of heat conduction efficiency instead of the valuable and Copper and its alloy material that density is large.And in 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 fabrication forms, and this just requires that the aluminium alloy manufacturing heat exchanger has high strength and toughness.
In use, because outside is different with the environment that medial surface is right, in order to improve the Corrosion Protection of heat exchanger, to heat exchanger the existing technology used all superpose sacrifice corrosion-resistant coating in the tube wall inner side and outer side of heat exchanger.For the sacrifice corrosion-resistant coating of inner side, because finite thickness, after this corrosion-resistant coating is corroded, will directly in the face of aluminum alloy materials, therefore, in order to improve the work-ing life of heat exchanger, the corrosion resistance nature improving aluminum alloy materials is best selection.
Summary of the invention
The object of this invention is to provide a kind of aluminum alloy materials of heat exchanger, by the technical program, the corrosion resistance nature of heat exchanger can be improved.
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 chromium of 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%, 0.1-0.3%, the zirconium of 0.1-0.3%, the magnesium of 0.1-0.3%, the zinc of 0.3-0.5%, the tungsten of 0.01-0.05%, the tin of 0.05-0.08%, surplus is that aluminium is prepared burden
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and be incubated 1-2 hour after being warmed up to 750 ± 20 DEG C, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminum alloy ingot;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 DEG C of quenching furnances.
As further improvement, described aluminum alloy materials batching also includes 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 for be at the uniform velocity cooled to 400-430 DEG C, and cooling rate is 25-30 DEG C/min; Second stage be fast cooling to 130-150 DEG C, speed is 2 DEG C/sec.
Described tin and copper add in gun-metal mode.
Described titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively.
The present invention's beneficial effect is compared with the existing technology:
In the technical program, by adding titanium in aluminium element, zirconium, niobium element make aluminum alloy organization's uniform small grains, and by adding boron, nickel, vanadium, tin and copper, improve the corrosion resistance nature of aluminium alloy.
Embodiment
Describe technical solution of the present invention in detail by the following examples, should be understood that, following embodiment only can be used for explaining the present invention and can not being interpreted as being limitation of the present invention.
Described preparation method is:
Batching, be by weight percentage, the chromium of 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%, 0.1-0.3%, the zirconium of 0.1-0.3%, the magnesium of 0.1-0.3%, the zinc of 0.3-0.5%, the tungsten of 0.01-0.05%, the tin of 0.05-0.08%, surplus is that aluminium is prepared burden; Wherein, tin and copper add in gun-metal mode, and titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively;
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and be incubated 1-2 hour after being warmed up to 750 ± 20 DEG C, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminium close unanimous ingot;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 DEG C of quenching furnances.
As further improvement, described aluminum alloy materials also includes the calcium of 0.1-0.2% and the iron of 0.1-0.3%.
Described tin and copper add in gun-metal mode.
Described titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively.
Described temperature-fall period divides two stages, and first stage is for be at the uniform velocity cooled to 400-430 DEG C, and cooling rate is 25-30 DEG C/min; Second stage be fast cooling to 130-150 DEG C, speed is 2 DEG C/sec.Two stage coolings why are divided to be because if the too fast meeting of cooling rate started causes the tissue of aluminum alloy ingot produce layering and affect intensity, the fast cooling in later stage ensures that aluminium alloy interior tissue is even, do not reduce coarse grained appearance.
Embodiment 1
Described preparation method is:
Batching, be by weight percentage, the silicon of 1.8%, the manganese of 0.5%, the copper of 0.8%, titanium, the niobium of 0.03%, vanadium, the boron of 0.003%, nickel, the chromium of 0.1%, zirconium, the magnesium of 0.1%, zinc, the tungsten of 0.01%, the tin of 0.05% of 0.3% of 0.1% of 0.1% of 0.3% of 0.05%, surplus is that aluminium is prepared burden; Wherein, tin and copper add in gun-metal mode, and titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively;
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and after being warmed up to 750 ± 20 DEG C be incubated 1 hour, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminum alloy ingot; Temperature-fall period divides two stages, and first stage is for be at the uniform velocity cooled to 400-430 DEG C, and cooling rate is 25-30 DEG C/min; Second stage be fast cooling to 130-150 DEG C, speed is 2 DEG C/sec;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 2.5 hours in 550 ± 20 DEG C of quenching furnances.
Embodiment 2
Described preparation method is:
Batching, be by weight percentage, the silicon of 2.0%, the manganese of 1.0%, the copper of 1.2%, titanium, the niobium of 0.05%, vanadium, the boron of 0.005%, nickel, the chromium of 0.3%, zirconium, the magnesium of 0.3%, zinc, the tungsten of 0.05%, the tin of 0.08% of 0.5% of 0.3% of 0.3% of 0.35% of 0.1%, surplus is that aluminium is prepared burden; Wherein, tin and copper add in gun-metal mode, and titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively;
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and after being warmed up to 750 ± 20 DEG C be incubated 2 hours, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminum alloy ingot;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 3.5 hours in 550 ± 20 DEG C of quenching furnances.
Embodiment 3
Described preparation method is:
Batching, be by weight percentage, the silicon of 1.85%, the manganese of 0.8%, 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, 0.2% magnesium, 0.35% zinc, the tungsten of 0.04%, the calcium of 0.1% and 0.15% iron surplus be that aluminium is prepared burden; Wherein, tin and copper add in gun-metal mode, and titanium, niobium, vanadium, zirconium are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively;
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and after being warmed up to 750 ± 20 DEG C be incubated 1.5 hours, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminum alloy ingot;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 3 hours in 550 ± 20 DEG C of quenching furnances.
Claims (5)
1. an aluminium alloy material preparation method for material for heat exchanger, is characterized in that:
Batching, be by weight percentage, the chromium of 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%, 0.1-0.3%, the zirconium of 0.1-0.3%, the magnesium of 0.1-0.3%, the zinc of 0.3-0.5%, the tungsten of 0.01-0.05%, the tin of 0.05-0.08%, surplus is that aluminium is prepared burden
Melting, the aluminium of other material and remainder is added after the aluminium of the gun-metal in above-mentioned materials, nickel and chromium and half quantity is carried out being smelted into liquid, and be incubated 1-2 hour after being warmed up to 750 ± 20 DEG C, then carry out constant temperature 700 DEG C cast and cool to 130-150 DEG C become aluminum alloy ingot;
Quenching, carries out being rolled into finished product after aluminum alloy ingot is incubated 2-4 hour in 550 ± 20 DEG C of quenching furnances.
2. the aluminium alloy material preparation method for material of heat exchanger according to claim 1, is characterized in that: described aluminum alloy materials also includes 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, is characterized in that: described temperature-fall period divides two stages, and first stage is for be at the uniform velocity cooled to 400-430 DEG C, and cooling rate is 25-30 DEG C/min; Second stage be fast cooling to 130-150 DEG C, speed is 2 DEG C/sec.
4. the aluminium alloy material preparation method for material of heat exchanger according to claim 1, is characterized in that: described tin and copper add in 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 are add in the mode of titanium aluminum alloy, Nb-Al alloy, vananum and zirconium alloy respectively.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191581A (en) * | 2016-08-27 | 2016-12-07 | 来安县科来兴实业有限责任公司 | A kind of EMU gear case body dedicated aluminium alloy material |
| CN106222462A (en) * | 2016-08-17 | 2016-12-14 | 任静儿 | A kind of aluminium alloy material preparation method for material of heat exchanger |
| CN107022704A (en) * | 2017-04-11 | 2017-08-08 | 浙江洋铭工贸有限公司 | A kind of high-strength alloy for die-casting aluminum heating radiator |
| CN107164664A (en) * | 2017-04-11 | 2017-09-15 | 浙江洋铭工贸有限公司 | A kind of high thermal conductivity alloy for die-casting aluminum heating radiator heat conduction |
| CN107723627A (en) * | 2017-10-24 | 2018-02-23 | 徐州轩辕铝业有限公司 | A kind of high-strength aluminum alloy material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017597A (en) * | 2012-11-26 | 2013-04-03 | 姚芙蓉 | Aluminum alloy for automotive heat exchanger |
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- 2015-11-12 CN CN201510769938.4A patent/CN105349807A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017597A (en) * | 2012-11-26 | 2013-04-03 | 姚芙蓉 | Aluminum alloy for automotive heat exchanger |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222462A (en) * | 2016-08-17 | 2016-12-14 | 任静儿 | A kind of aluminium alloy material preparation method for material of heat exchanger |
| CN106191581A (en) * | 2016-08-27 | 2016-12-07 | 来安县科来兴实业有限责任公司 | A kind of EMU gear case body dedicated aluminium alloy material |
| CN106191581B (en) * | 2016-08-27 | 2019-03-26 | 来安县科来兴实业有限责任公司 | A kind of high-speed EMUs gear case body dedicated aluminium alloy material |
| CN107022704A (en) * | 2017-04-11 | 2017-08-08 | 浙江洋铭工贸有限公司 | A kind of high-strength alloy for die-casting aluminum heating radiator |
| CN107164664A (en) * | 2017-04-11 | 2017-09-15 | 浙江洋铭工贸有限公司 | A kind of high thermal conductivity alloy for die-casting aluminum heating radiator heat conduction |
| CN107723627A (en) * | 2017-10-24 | 2018-02-23 | 徐州轩辕铝业有限公司 | A kind of high-strength aluminum alloy material and preparation method thereof |
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Application publication date: 20160224 |