CN103352157A - High erosion-resistant radiator fin aluminum alloy and manufacture method thereof - Google Patents
High erosion-resistant radiator fin aluminum alloy and manufacture method thereof Download PDFInfo
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- CN103352157A CN103352157A CN2013102760334A CN201310276033A CN103352157A CN 103352157 A CN103352157 A CN 103352157A CN 2013102760334 A CN2013102760334 A CN 2013102760334A CN 201310276033 A CN201310276033 A CN 201310276033A CN 103352157 A CN103352157 A CN 103352157A
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Abstract
Provided are a high erosion-resistant radiator fin aluminum alloy and a manufacture method thereof. The aluminum alloy is characterized in that the aluminum alloy is composed of the following components by weight percentage: 4.5 to 5.0% of copper, 0.1 to 0.15% of barium, 4.5 to 4.8% of manganese, 0.6 to 0.9% of titanium, 0.12 to 0.15% of boron, 0.2 to 0.3% of Mo, 0.9 to 1.2% of V, 0.04 to 0.08% of Bi, 0.20 to 0.25% of Sb, 0.06 to 0.09% of Zr, 1.2 to 1.4% of Li, 0.1 to 0.15% of Pd, and the balance being aluminum. The tensile strength of the aluminum alloy cast according to the method reaches 405 MPA when the elongation rate is 12.5%. The corrosion behavior of the alloy materials may be tested by adopting an SWAAT experiment and the test shows substantial improvements of the erosion-resistance of the aluminum alloy.
Description
Technical field
The invention belongs to a kind of aluminium alloy, specifically a kind of air conditioner heat radiator aluminum alloy materials.
Background technology
The air-conditioning heat dissipation structural part is to be made by aluminium alloy mostly, comprises cast member, squeezes type spare, stamping parts and forge piece etc.Aluminum alloy cast forging piece cost is lower, but its thermal conductivity of aluminum alloy junction member of general cast form is not high, usually about 90 W/mK, to such an extent as to heat conductivility is poor, present fine aluminium commonly used (purity＞more than 99%) is although thermal conductivity very high (＞220 W/mK), but its flowability and castibility are bad, and too soft, be difficult for processing, and yielding.At present, the casting aluminum alloy that the research thermal conductivity is high, intensity is high, most important to air conditioner heat radiator.
Summary of the invention
The object of the present invention is to provide the good heat radiator fin aluminium alloy of a kind of solidity to corrosion and manufacture method thereof.
The technical solution used in the present invention is:
The good heat radiator fin aluminium alloy of solidity to corrosion, it is characterized in that the weight percentage of its component is: copper 4.5-5.0, barium 0.1-0.15, manganese 4.5-4.8, titanium 0.6-0.9, boron 0.12-0.15, Mo0.2-0.3, V0.9-1.2, Bi0.04-0.08, Sb0.20-0.25, Zr0.06-0.09, Li1.2-1.4, Pd0.1-0.15, surplus are aluminium.
The manufacture method of the good heat radiator fin aluminium alloy of described solidity to corrosion comprises melting, skims, detects alloying constituent and adjustment, refining, casting, it is characterized in that: is cooled to 510-535 ℃ with 210-230 ℃ of/hour speed after the casting, is incubated 4-6 hour; Then, be warming up to 560-585 ℃ with 35-55 ℃ of/hour speed again, be incubated 1-2 hour; Be cooled to 320-340 ℃ with 170-190 ℃ of/hour speed again, be incubated 2-3 hour; Be cooled to 60-80 ℃ with 40-70 ℃ of/hour speed again, be incubated 2-3 hour; Putting into liquid nitrogen processed 2-3 hour again; Described refining agent is formed by the feed composition mixing briquetting of following weight part: vermiculite power 6-7, sodium aluminum fluoride 2.3-2.5, SnO
22.2-2.5, Calcium Fluoride (Fluorspan) 2.2-2.4, gac 2.5-2.8, sodium-chlor 2-3, Bi
2O
31.1-1.3, vanadium diboride 2.1-2.4, bauxitic clay 2.1-2.5, nano silicon 1-2
The present invention processes through above-mentioned refining agent, obtain high-quality molten aluminium alloy, such molten aluminium alloy is used for Foundry Production, obviously improve yield rate, particularly the degree of porosity in the foundry goods reduces the 1-2 degree, is controlled effectively, and can not produce pore at cast(ing) surface, trapped oxide also obviously reduces, and oxide inclusion is about 2 grades.
When cast aluminium alloy of the present invention was 12.5% at unit elongation, its tensile strength reached 405MPA, adopted the corrosion behavior of SWAAT experiment alloy material to test, and showed that aluminium alloy solidity to corrosion of the present invention is significantly increased.
Embodiment
The good heat radiator fin aluminium alloy of solidity to corrosion, the weight percentage of its component is: copper 4.5-5.0, barium 0.1-0.15, manganese 4.5-4.8, titanium 0.6-0.9, boron 0.12-0.15, Mo0.2-0.3, V0.9-1.2, Bi0.04-0.08, Sb0.20-0.25, Zr0.06-0.09, Li1.2-1.4, Pd0.1-0.15, surplus are aluminium.
The manufacture method of the good heat radiator fin aluminium alloy of solidity to corrosion comprises melting, skims, detects alloying constituent and adjustment, refining, casting, is cooled to 510-535 ℃ with 210-230 ℃ of/hour speed after the casting, is incubated 4-6 hour; Then, be warming up to 560-585 ℃ with 35-55 ℃ of/hour speed again, be incubated 1-2 hour; Be cooled to 320-340 ℃ with 170-190 ℃ of/hour speed again, be incubated 2-3 hour; Be cooled to 60-80 ℃ with 40-70 ℃ of/hour speed again, be incubated 2-3 hour; Putting into liquid nitrogen processed 2-3 hour again;
Described refining agent is formed by the feed composition mixing briquetting of following weight part (kilogram): vermiculite power 7, sodium aluminum fluoride 2.3, SnO
22.5, Calcium Fluoride (Fluorspan) 2.4, gac 2.8, sodium-chlor 2, Bi
2O
31.1, vanadium diboride 2.4, bauxitic clay 2.5, nano silicon 1.
Intensity of aluminum alloy of the present invention reaches 405Mpa-480MPa, and hardness can reach 100HB～125HB, unit elongation 8-15%, the corrosion rate of its salt-fog test only be the 0.1-0.2 milligram/centimetre
2. day.Thermal conductivity 230-260W/mK.
Claims (2)
1. the good heat radiator fin aluminium alloy of solidity to corrosion, it is characterized in that the weight percentage of its component is: copper 4.5-5.0, barium 0.1-0.15, manganese 4.5-4.8, titanium 0.6-0.9, boron 0.12-0.15, Mo0.2-0.3, V0.9-1.2, Bi0.04-0.08, Sb0.20-0.25, Zr0.06-0.09, Li1.2-1.4, Pd0.1-0.15, surplus are aluminium.
2. the manufacture method of the good heat radiator fin aluminium alloy of solidity to corrosion according to claim 1, comprise melting, skim, detect alloying constituent and adjustment, refining, casting, it is characterized in that: be cooled to 510-535 ℃ with 210-230 ℃ of/hour speed after the casting, be incubated 4-6 hour; Then, be warming up to 560-585 ℃ with 35-55 ℃ of/hour speed again, be incubated 1-2 hour; Be cooled to 320-340 ℃ with 170-190 ℃ of/hour speed again, be incubated 2-3 hour; Be cooled to 60-80 ℃ with 40-70 ℃ of/hour speed again, be incubated 2-3 hour; Putting into liquid nitrogen processed 2-3 hour again; Described refining agent is formed by the feed composition mixing briquetting of following weight part: vermiculite power 6-7, sodium aluminum fluoride 2.3-2.5, SnO
22.2-2.5, Calcium Fluoride (Fluorspan) 2.2-2.4, gac 2.5-2.8, sodium-chlor 2-3, Bi
2O
31.1-1.3, vanadium diboride 2.1-2.4, bauxitic clay 2.1-2.5, nano silicon 1-2.
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| CN201310276033.4A CN103352157B (en) | 2013-07-02 | 2013-07-02 | High erosion-resistant radiator fin aluminum alloy and manufacture method thereof |
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| CN201310276033.4A CN103352157B (en) | 2013-07-02 | 2013-07-02 | High erosion-resistant radiator fin aluminum alloy and manufacture method thereof |
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| CN103352157A true CN103352157A (en) | 2013-10-16 |
| CN103352157B CN103352157B (en) | 2016-03-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091793A (en) * | 2016-06-21 | 2016-11-09 | 太仓鸿鑫精密压铸有限公司 | Corrosion resistant alloy heat-sink sheet |
| CN107270761A (en) * | 2017-05-25 | 2017-10-20 | 合肥皖化电泵有限公司 | A kind of stove water pump heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1736561A1 (en) * | 2004-04-05 | 2006-12-27 | Nippon Light Metal, Co., Ltd. | Aluminum alloy casting material for heat treatment excelling in heat conduction and process for producing the same |
| CN102330005A (en) * | 2011-06-23 | 2012-01-25 | 苏州方暨圆节能科技有限公司 | Aluminium alloy material for radiator fin |
| CN103014429A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Preparation method of aluminum alloy material for automobile heat exchanger |
| CN103103396A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Hf-RE aluminium alloy, preparation method thereof and power cable |
-
2013
- 2013-07-02 CN CN201310276033.4A patent/CN103352157B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1736561A1 (en) * | 2004-04-05 | 2006-12-27 | Nippon Light Metal, Co., Ltd. | Aluminum alloy casting material for heat treatment excelling in heat conduction and process for producing the same |
| CN102330005A (en) * | 2011-06-23 | 2012-01-25 | 苏州方暨圆节能科技有限公司 | Aluminium alloy material for radiator fin |
| CN103103396A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Hf-RE aluminium alloy, preparation method thereof and power cable |
| CN103014429A (en) * | 2012-11-26 | 2013-04-03 | 吴高峰 | Preparation method of aluminum alloy material for automobile heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091793A (en) * | 2016-06-21 | 2016-11-09 | 太仓鸿鑫精密压铸有限公司 | Corrosion resistant alloy heat-sink sheet |
| CN107270761A (en) * | 2017-05-25 | 2017-10-20 | 合肥皖化电泵有限公司 | A kind of stove water pump heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN103352157B (en) | 2016-03-02 |
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