CN104099494A - Air conditioner aluminum foil material and surface treatment method thereof - Google Patents
Air conditioner aluminum foil material and surface treatment method thereof Download PDFInfo
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- CN104099494A CN104099494A CN201310117285.2A CN201310117285A CN104099494A CN 104099494 A CN104099494 A CN 104099494A CN 201310117285 A CN201310117285 A CN 201310117285A CN 104099494 A CN104099494 A CN 104099494A
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Abstract
The invention discloses an air conditioner aluminum foil material. The air conditioner aluminum foil material comprises the following elements by weight percentage: 0.05%-0.1% of copper, 0.01%-0.05% of zirconium, 0.02%-0.05% of vanadium, 0.01%-0.03% of magnesium, 0.01%-0.1% of silicon, 0.03%-0.1% of manganese, 0.01%-0.05% of rare earth, 0.02%-0.1% of nickel, 0.02%-0.1% of titanium and the balance of aluminum. The air conditioner aluminum foil material gains properly improved strength and enhanced extensibility, so as to meet the strength requirements when used as a radiating fin, and meet the extension requirements for cutting. The invention also discloses a surface treatment method of the air conditioner aluminium foil. The method includes refining, stress removal, cold rolling, foil rolling, washing, alkali cleaning, pickling and film coating, and improves the hydrophobic properties of aluminum foil surface.
Description
Technical field
The present invention relates to a kind of aluminum alloy materials, relate in particular to a kind of air conditioner aluminium foil material.The invention still further relates to a kind of surface treatment method of making described air conditioner aluminium foil.
Background technology
The general employing aluminum alloy materials of the scatterer of the refrigerator of air-conditioning is made at present, and with respect to the heat abstractor of copper material, quality is light, cost is low, is applicable to large-scale use.In prior art in order to reduce manufacturing cost, reduce the weight and volume of refrigerator, by the thickness reduction of the radiating fin of refrigerator, the physical strength of radiating fin reduces like this, the phenomenon that easily occurs reviewing, affected the working efficiency of refrigerator, when there will be stamping-out again when improving radiating fin intensity by change material component, there is damaged situation, the intensity of aluminum alloy materials is to have relative paradox with its extension property, how to allow to develop physical strength good, whole mechanics better performances, the air conditioner aluminium foil material that had not only possessed intensity but also possessed good ductility be always the applicant be devoted to research problem.Therefore need a new technical scheme, improve the performance for the aluminum alloy materials of heat abstractor.Air conditioner aluminium foil environment for use of the prior art is more severe, bearing heat exchange compared with look, in use procedure, difference variation has caused greatly aluminium foil to be easily dissolved in the material hot spot solution in moisture.
Summary of the invention
The object of the invention is the deficiency existing for prior art, provide that a kind of ductility is good, heatproof is poor, corrosion-resistant and there is the air conditioner aluminium foil of some strength.The present invention also provides a kind of surface treatment method of described air conditioner aluminium foil.
For achieving the above object, the present invention adopts following technical scheme:
A kind of air conditioner aluminium foil material, the copper of the element that its component contains following mass percent: 0.05%-0.1%, the zirconium of 0.01%-0.05%, the vanadium of 0.02%-0.05%, the silicon of the magnesium of 0.01%-0.03%, 0.01%-0.1%, the rare earth of the manganese of 0.03%-0.1%, 0.01%-0.05%, the nickel of 0.02%-0.1%, 0.02%-0.1% titanium, all the other are aluminium.Copper can increase the intensity of aluminium alloy, and hot strength has especially improved the ductility of this material simultaneously; Nickel and rare earth have improved corrosion resistance nature, have reduced the corrosion speed under the condition of high temperature; Elemental iron, vanadium, silicon, manganese, zirconium, nickel and titanium have improved the flowing property under machine-shaping property and material molten state, are convenient to casting processing; Rare earth can be removed the impurity such as oxygen in aluminium alloy, sulphur, hydrogen, and crystal grain thinning improves intensity, hardness, unit elongation, fracture toughness property, erosion resistance, thermotolerance and the welding property of aluminum alloy materials.
A surface treatment method for described air conditioner aluminium foil, comprises the steps:
1) smelting aluminium alloy material, outside demagging and rare earth, is proportionally added into other element batchings in stove, and heating and melting, is incubated 3 hours, proportionally add magnesium, stir, skim, remove impurity, proportionally add rare earth element, stir, skim, remove impurity, fast cold manufacture aluminium bar;
2) rolling aluminium foil, is heated to 480～560 ℃ by aluminium bar, is incubated half an hour, by cold rolling and paper tinsel rolling, obtains aluminium foil;
3) aluminium foil is washed, alkali cleaning, pickling and coating film treatment.First add magnesium, melting produces some impurity, the removal of skimming, in the process of melting, finally add rare earth, effectively the oxygen of removal material internal, sulphur, hydrogen etc. affect the impurity of material property, and thoroughly removal of contamination, adds rare earth in this step, remove material internal stress homogenizing crystal grain simultaneously, make the mechanical property of aluminum alloy materials better; The cold manufacture aluminium bar of speed, prevents that grain growing is excessive, has improved ductility and the processability of material; By after aluminium bar heating, be rolled, remove its internal stress, prevent from that cold rolling and paper tinsel from rolling to crack; Surface and oil contaminant moisture is removed in washing, alkali cleaning, pickling, is beneficial to next step coating film treatment.
Described step 3 is washed aluminium foil, after utilizing butanone to remove to utilize washed with de-ionized water after surperficial greasy dirt and moisture, dries up.
The alkali cleaning of described step 3, is mixed with the aluminium foil utilization after washing in the aqueous solution of 0.8～1.1mol/L and cleans 1-1.5 minute with sodium hydroxide and sodium carbonate or tertiary sodium phosphate, utilize ethanol and deionized water to clean and dry up.
The pickling of described step 3, utilizes the mixed aqueous solution of phosphoric acid and sodium-chlor to be heated to 60 ℃ of immersions 30 minutes, and the concentration of phosphoric acid is 50-60g/L, and the concentration of sodium-chlor is 8-15g/L, utilizes ethanol and deionized water to clean and dry up after immersion.
The plated film of described step 3 soaks 30-40 minute by the aluminium foil after pickling in the isocaprylic acid of 60-75 ℃, and ethanol is cured it after cleaning at the temperature of 70-80 ℃.
Compare with background technology, the copper in air conditioner aluminium foil of the present invention can increase the intensity of aluminium alloy, and hot strength has especially improved the ductility of this material simultaneously; Nickel and rare earth have improved corrosion resistance nature, have reduced the corrosion speed under the condition of high temperature; Elemental iron, vanadium, silicon, manganese, zirconium, nickel and titanium have improved the flowing property under machine-shaping property and material molten state, are convenient to casting processing; Rare earth can be removed the impurity such as oxygen in aluminium alloy, sulphur, hydrogen, and crystal grain thinning improves intensity, hardness, unit elongation, fracture toughness property, erosion resistance, thermotolerance and the welding property of aluminum alloy materials.First add magnesium, melting produces some impurity, the removal of skimming, in the process of melting, finally add rare earth, effectively the oxygen of removal material internal, sulphur, hydrogen etc. affect the impurity of material property, and thoroughly removal of contamination, adds rare earth in this step, remove material internal stress homogenizing crystal grain simultaneously, make the mechanical property of aluminum alloy materials better; The cold manufacture aluminium bar of speed, prevents that grain growing is excessive, has improved ductility and the processability of material; By after aluminium bar heating, be rolled, remove its internal stress, prevent from that cold rolling and paper tinsel from rolling to crack; Surface and oil contaminant moisture is removed in washing, alkali cleaning, pickling, be beneficial to next step coating film treatment, the super hydrophobic surface contact angle of the air conditioner aluminium foil after processing is greater than 120 degree, be convenient to water droplet drippage, reduced water droplet duration of contact, having reduced the material corrosion or the point that are dissolved in water separates aluminium foil, the work-ing life of having improved air conditioner aluminium foil.
Embodiment
Below according to embodiment, further illustrate the present invention, should understand these embodiments is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
The invention discloses a kind of air conditioner aluminium foil material, the copper of the element that its component contains following mass percent: 0.05%-0.1%, the zirconium of 0.01%-0.05%, the vanadium of 0.02%-0.05%, the silicon of the magnesium of 0.01%-0.03%, 0.01%-0.1%, the rare earth of the manganese of 0.03%-0.1%, 0.01%-0.05%, the nickel of 0.02%-0.1%, 0.02%-0.1% titanium, all the other are aluminium.
Embodiment mono-:
An air conditioner aluminium foil material, the element that its component contains following mass percent: 0.05% copper, 0.01% zirconium, 0.02% vanadium, 0.01% magnesium, 0.01% silicon, 0.03% manganese, 0.01% rare earth, 0.02% nickel, 0.02% titanium, all the other are aluminium.
The surface treatment method of this air conditioner aluminium foil, comprises the steps:
1) smelting aluminium alloy material, outside demagging and rare earth, is proportionally added into other element batchings in stove, heating and melting, is incubated 3 hours, proportionally adds magnesium, stir, skim, remove impurity, proportionally add rare earth element, stir, skim, remove impurity, fast cold casting, spraying cooling liquid while pushing, make material temperature be reduced to rapidly room temperature and manufacture aluminium bar, prevent that coarse grains from having reduced ductility and the processability of material;
2) rolling aluminium foil, is heated to 480 ℃ by aluminium bar, is incubated half an hour, by cold rolling and paper tinsel rolling, obtains aluminium foil;
3) aluminium foil is washed, after utilizing butanone to remove to utilize washed with de-ionized water after surperficial greasy dirt and moisture, dried up; Alkali cleaning, is mixed with the aluminium foil utilization after washing in the aqueous solution of 0.8mol/L and cleans 1 minute with sodium hydroxide and sodium carbonate or tertiary sodium phosphate, utilize ethanol and deionized water to clean and dry up; Pickling, utilizes the mixed aqueous solution of phosphoric acid and sodium-chlor to be heated to 60 ℃ of immersions 30 minutes, and the concentration of phosphoric acid is 50g/L, and the concentration of sodium-chlor is 8g/L, utilizes ethanol and deionized water to clean and dry up after immersion; Coating film treatment is soaked the aluminium foil after pickling 30 minutes in the isocaprylic acid of 60 ℃, and ethanol is cured it after cleaning at the temperature of 70 ℃.
Embodiment bis-:
An air conditioner aluminium foil material, the copper of the element 0.1% that its component contains following mass percent, 0.05% zirconium, 0.05% vanadium, 0.03% magnesium, 0.1% silicon, 0.1% manganese, 0.05% rare earth, 0.1% nickel, 0.1% titanium, all the other are aluminium.
The surface treatment method of this air conditioner aluminium foil, comprises the steps:
1) smelting aluminium alloy material, outside demagging and rare earth, is proportionally added into other element batchings in stove, heating and melting, is incubated 3 hours, proportionally adds magnesium, stir, skim, remove impurity, proportionally add rare earth element, stir, skim, remove impurity, fast cold casting, spraying cooling liquid while pushing, make material temperature be reduced to rapidly room temperature and manufacture aluminium bar, prevent that coarse grains from having reduced ductility and the processability of material;
2) rolling aluminium foil, is heated to 560 ℃ by aluminium bar, is incubated half an hour, by cold rolling and paper tinsel rolling, obtains aluminium foil;
3) aluminium foil is washed, after utilizing butanone to remove to utilize washed with de-ionized water after surperficial greasy dirt and moisture, dried up; Alkali cleaning, is mixed with the aluminium foil utilization after washing in the aqueous solution of 1.1mol/L and cleans 1.5 minutes with sodium hydroxide and sodium carbonate or tertiary sodium phosphate, utilize ethanol and deionized water to clean and dry up; Pickling, utilizes the mixed aqueous solution of phosphoric acid and sodium-chlor to be heated to 60 ℃ of immersions 30 minutes, and the concentration of phosphoric acid is 60g/L, and the concentration of sodium-chlor is 15g/L, utilizes ethanol and deionized water to clean and dry up after immersion; Coating film treatment is soaked the aluminium foil after pickling 40 minutes in the isocaprylic acid of 75 ℃, and ethanol is cured it after cleaning at the temperature of 80 ℃.
Embodiment tri-:
A kind of air conditioner aluminium foil material, the copper of the element that its component contains following mass percent: 0.05%-0.1%, the zirconium of 0.01%-0.05%, the vanadium of 0.02%-0.05%, the silicon of the magnesium of 0.01%-0.03%, 0.01%-0.1%, the rare earth of the manganese of 0.03%-0.1%, 0.01%-0.05%, the nickel of 0.02%-0.1%, 0.02%-0.1% titanium, all the other are aluminium.
The surface treatment method of this air conditioner aluminium foil, comprises the steps:
1) smelting aluminium alloy material, outside demagging and rare earth, is proportionally added into other element batchings in stove, heating and melting, is incubated 3 hours, proportionally adds magnesium, stir, skim, remove impurity, proportionally add rare earth element, stir, skim, remove impurity, fast cold casting, spraying cooling liquid while pushing, make material temperature be reduced to rapidly room temperature and manufacture aluminium bar, prevent that coarse grains from having reduced ductility and the processability of material, the material of refining air conditioner aluminium foil;
2) rolling aluminium foil, is heated to 520 ℃ by aluminium bar, is incubated half an hour, by cold rolling and paper tinsel rolling, obtains aluminium foil, and aluminium bar internal stress is removed in insulation, prevents from when cold rolling and paper tinsel from rolling cracking, and makes aluminium foil obtain smoother surface;
3) aluminium foil is washed, after utilizing butanone to remove to utilize washed with de-ionized water after surperficial greasy dirt and moisture, dried up; Alkali cleaning, is mixed with the aluminium foil utilization after washing in the aqueous solution of 1mol/L and cleans 1.2 minutes with sodium hydroxide and sodium carbonate or tertiary sodium phosphate, utilize ethanol and deionized water to clean and dry up; Pickling, utilizes the mixed aqueous solution of phosphoric acid and sodium-chlor to be heated to 60 ℃ of immersions 30 minutes, and the concentration of phosphoric acid is 55g/L, and the concentration of sodium-chlor is 12g/L, utilizes ethanol and deionized water to clean and dry up after immersion; Coating film treatment is soaked the aluminium foil after pickling 35 minutes in the isocaprylic acid of 68 ℃, and ethanol is cured it after cleaning at the temperature of 75 ℃.
Claims (6)
1. an air conditioner aluminium foil material, it is characterized in that: the copper of the element that its component contains following mass percent: 0.05%-0.1%, the zirconium of 0.01%-0.05%, the vanadium of 0.02%-0.05%, the silicon of the magnesium of 0.01%-0.03%, 0.01%-0.1%, the rare earth of the manganese of 0.03%-0.1%, 0.01%-0.05%, the nickel of 0.02%-0.1%, 0.02%-0.1% titanium, all the other are aluminium.
2. a surface treatment method for air conditioner aluminium foil as claimed in claim 1, is characterized in that comprising the steps:
1) smelting aluminium alloy material, outside demagging and rare earth, is proportionally added into other element batchings in stove, and heating and melting, is incubated 3 hours, proportionally add magnesium, stir, skim, remove impurity, proportionally add rare earth element, stir, skim, remove impurity, fast cold manufacture aluminium bar;
2) rolling aluminium foil, is heated to 480～560 ℃ by aluminium bar, is incubated half an hour, by cold rolling and paper tinsel rolling, obtains aluminium foil;
3) aluminium foil is washed, alkali cleaning, pickling and coating film treatment.
3. the surface treatment method of air conditioner aluminium foil according to claim 2, is characterized in that: described step 3 is washed aluminium foil, after utilizing butanone to remove to utilize washed with de-ionized water after surperficial greasy dirt and moisture, dries up.
4. the surface treatment method of air conditioner aluminium foil according to claim 2, it is characterized in that: the alkali cleaning of described step 3, aluminium foil utilization after washing is mixed with sodium hydroxide and sodium carbonate or tertiary sodium phosphate in the aqueous solution of 0.8～1.1mol/L and cleans 1-1.5 minute, utilize ethanol and deionized water to clean and dry up.
5. the surface treatment method of air conditioner aluminium foil according to claim 2, it is characterized in that: the pickling of described step 3, utilize the mixed aqueous solution of phosphoric acid and sodium-chlor to be heated to 60 ℃ of immersions 30 minutes, the concentration of phosphoric acid is 50-60g/L, the concentration of sodium-chlor is 8-15g/L, utilizes ethanol and deionized water to clean and dry up after immersion.
6. the surface treatment method of air conditioner aluminium foil according to claim 2, it is characterized in that: the plated film of described step 3, aluminium foil after pickling is soaked to 30-40 minute in the isocaprylic acid of 60-75 ℃, and ethanol is cured it after cleaning at the temperature of 70-80 ℃.
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| CN201310117285.2A CN104099494A (en) | 2013-04-03 | 2013-04-03 | Air conditioner aluminum foil material and surface treatment method thereof |
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| CN201310117285.2A CN104099494A (en) | 2013-04-03 | 2013-04-03 | Air conditioner aluminum foil material and surface treatment method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402806A (en) * | 2015-10-30 | 2016-03-16 | 广东美的制冷设备有限公司 | Positive temperature coefficient (PTC) heating purifier, manufacturing method thereof and electric appliance |
| CN105890433A (en) * | 2016-04-25 | 2016-08-24 | 江苏金源腾峰换热设备有限公司 | Titanium alloy fin for thermometal air cooler and processing technology of titanium alloy fin |
| CN106756154A (en) * | 2017-01-09 | 2017-05-31 | 镇江华中电器有限公司 | The preparation method of ocean special utility improved corrosion high intensity alumal cable-laying gear |
| CN109127328A (en) * | 2018-07-13 | 2019-01-04 | 西安交通大学 | A kind of method of metal surface building super-hydrophobic coat |
-
2013
- 2013-04-03 CN CN201310117285.2A patent/CN104099494A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402806A (en) * | 2015-10-30 | 2016-03-16 | 广东美的制冷设备有限公司 | Positive temperature coefficient (PTC) heating purifier, manufacturing method thereof and electric appliance |
| CN105890433A (en) * | 2016-04-25 | 2016-08-24 | 江苏金源腾峰换热设备有限公司 | Titanium alloy fin for thermometal air cooler and processing technology of titanium alloy fin |
| CN106756154A (en) * | 2017-01-09 | 2017-05-31 | 镇江华中电器有限公司 | The preparation method of ocean special utility improved corrosion high intensity alumal cable-laying gear |
| CN109127328A (en) * | 2018-07-13 | 2019-01-04 | 西安交通大学 | A kind of method of metal surface building super-hydrophobic coat |
| CN109127328B (en) * | 2018-07-13 | 2021-01-19 | 西安交通大学 | Method for constructing super-hydrophobic coating on metal surface |
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Application publication date: 20141015 |