CN103352150B - The radiator aluminum alloy that processibility is good and manufacture method thereof - Google Patents

The radiator aluminum alloy that processibility is good and manufacture method thereof Download PDF

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CN103352150B
CN103352150B CN201310273764.3A CN201310273764A CN103352150B CN 103352150 B CN103352150 B CN 103352150B CN 201310273764 A CN201310273764 A CN 201310273764A CN 103352150 B CN103352150 B CN 103352150B
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aluminum alloy
processibility
good
insulation
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CN103352150A (en
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骆宣佐
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ANHUI TIANXIANG AIR-CONDITIONER SCIENCE AND TECHNOLOGY Co Ltd
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ANHUI TIANXIANG AIR-CONDITIONER SCIENCE AND TECHNOLOGY Co Ltd
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Abstract

The radiator aluminum alloy that processibility is good, is characterized in that the weight percentage of its component is: silicon 5.5-6.0, magnesium 1.2-1.5, copper 0.3-0.4, iron 0.4-0.6, chromium 2.3-2.4, Nb1-1.2, V3.5-3.6, Zr0.6-0.9, Be0.1-0.3, La0.06-0.08, Ho0.16-0.19, Li0.1-0.15, Ba0.06-0.08, surplus are aluminium.The invention also discloses the manufacture method of this aluminium alloy.Aluminium alloy provided by the present invention has good yield strength and unit elongation, and heat conductivity is excellent, and not easy-sintering.

Description

The radiator aluminum alloy that processibility is good and manufacture method thereof
Technical field
The invention belongs to a kind of aluminium alloy, specifically a kind of air conditioner heat radiator aluminum alloy materials.
Background technology
Air-conditioning heat dissipation structural part is be made up of aluminium alloy mostly, comprises cast member, squeezes shaped piece, stamping parts and forge piece etc.Aluminum alloy cast forging piece cost is lower, but its thermal conductivity of aluminum alloy junction component of general cast form is not high, usually at about 90W/mK, to such an extent as to heat conductivility is poor, conventional fine aluminium (purity > more than 99%) at present, although thermal conductivity very high (> 220W/mK), but its mobility and castibility bad, and too soft, not easily process, and yielding.At present, the casting aluminum alloy that research thermal conductivity is high, intensity is high, processibility is good, most important to air conditioner heat radiator.
Summary of the invention
The radiator aluminum alloy that the object of the present invention is to provide a kind of processibility good and manufacture method thereof.
The technical solution used in the present invention is:
The radiator aluminum alloy that processibility is good, is characterized in that the weight percentage of its component is: silicon 5.5-6.0, magnesium 1.2-1.5, copper 0.3-0.4, iron 0.4-0.6, chromium 2.3-2.4, Nb1-1.2, V3.5-3.6, Zr0.6-0.9, Be0.1-0.3, La0.06-0.08, Ho0.16-0.19, Li0.1-0.15, Ba0.06-0.08, surplus are aluminium.
The manufacture method of the radiator aluminum alloy that described processibility is good, comprise melting, skim, detect alloying constituent and adjust, add refining agent refining, casting, it is characterized in that: after casting, be cooled to 110-135 DEG C with 80-95 DEG C/h of speed, insulation 40-60 hour; Then, then with 135-155 DEG C/h of ramp to 520-545 DEG C, 4-5 hour is incubated; 360-380 DEG C is cooled to again, insulation 2-3 hour with 70-90 DEG C/h of speed; 160-180 DEG C is cooled to again, insulation 2-3 hour with 40-50 DEG C/h of speed; Put into 0 DEG C of frozen water again and process 3-4 hour; 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 is through above-mentioned refining agent process, obtain the molten aluminium alloy of high-quality, such molten aluminium alloy is used for Foundry Production, significantly improve yield rate, degree of porosity particularly in foundry goods reduces 1-2 degree, is controlled effectively, can not produces pore at cast(ing) surface, trapped oxide also obviously reduces, and oxide inclusion is at about 2 grades.
Aluminium alloy provided by the present invention has good yield strength and unit elongation, and heat conductivity is excellent, and not easy-sintering.
Embodiment
The radiator aluminum alloy that processibility is good, the weight percentage of its component is: silicon 5.5-6.0, magnesium 1.2-1.5, copper 0.3-0.4, iron 0.4-0.6, chromium 2.3-2.4, Nb1-1.2, V3.5-3.6, Zr0.6-0.9, Be0.1-0.3, La0.06-0.08, Ho0.16-0.19, Li0.1-0.15, Ba0.06-0.08, surplus are aluminium.
The manufacture method of the radiator aluminum alloy that processibility is good, comprises melting, skims, detect alloying constituent and adjust, add refining agent refining, casting, be cooled to 110-135 DEG C after casting with 80-95 DEG C/h of speed, insulation 40-60 hour; Then, then with 135-155 DEG C/h of ramp to 520-545 DEG C, 4-5 hour is incubated; 360-380 DEG C is cooled to again, insulation 2-3 hour with 70-90 DEG C/h of speed; 160-180 DEG C is cooled to again, insulation 2-3 hour with 40-50 DEG C/h of speed; Put into 0 DEG C of frozen water again and process 3-4 hour;
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 320Mpa-380MPa, and hardness can reach 100HB ~ 125HB, unit elongation 4-9%, and the corrosion rate of its salt-fog test is only 0.1-0.2 milli gram per centimeter 2. sky.Thermal conductivity 200-230W/mK.

Claims (1)

1. the radiator aluminum alloy that processibility is good, is characterized in that the weight percentage of its component is: silicon 5.5-6.0, magnesium 1.2-1.5, copper 0.3-0.4, iron 0.4-0.6, chromium 2.3-2.4, Nb1-1.2, V3.5-3.6, Zr0.6-0.9, Be0.1-0.3, La0.06-0.08, Ho0.16-0.19, Li0.1-0.15, Ba0.06-0.08, surplus are aluminium;
The manufacture method of the radiator aluminum alloy that described processibility is good comprises melting, skim, detect alloying constituent and adjust, add refining agent refining, casting, is cooled to 110-135 DEG C, insulation 40-60 hour after casting with 80-95 DEG C/h of speed; Then, then with 135-155 DEG C/h of ramp to 520-545 DEG C, 4-5 hour is incubated; 360-380 DEG C is cooled to again, insulation 2-3 hour with 70-90 DEG C/h of speed; 160-180 DEG C is cooled to again, insulation 2-3 hour with 40-50 DEG C/h of speed; Put into 0 DEG C of frozen water again and process 3-4 hour; 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.
CN201310273764.3A 2013-07-02 2013-07-02 The radiator aluminum alloy that processibility is good and manufacture method thereof Active CN103352150B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104404315A (en) * 2014-11-25 2015-03-11 安徽天祥空调科技有限公司 High corrosion-resistance aluminum-alloy plate used for air-conditioning radiator and preparation method for aluminum-alloy plate
CN105483453A (en) * 2015-12-17 2016-04-13 太仓市美斯门窗有限公司 High-thermal-conductivity aluminum alloy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1158148A (en) * 1994-07-22 1997-08-27 艾尔坎国际有限公司 Aluminum alloys and process for making aluminum alloy sheet
CN1263566A (en) * 1998-04-08 2000-08-16 本田技研工业株式会社 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles
JP4351609B2 (en) * 2004-11-12 2009-10-28 本田技研工業株式会社 Aluminum alloy, heat-resistant and high-strength aluminum alloy part, and manufacturing method thereof
EP2281909A1 (en) * 2004-04-05 2011-02-09 Nippon Light Metal Company Ltd. Aluminum alloy casting material for heat treatment with excellent thermal conductivity and manufacturing methods thereof.
CN103103384A (en) * 2012-11-09 2013-05-15 安徽欣意电缆有限公司 Al-Fe-Os-RE aluminium alloy, preparation method thereof and power cable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1158148A (en) * 1994-07-22 1997-08-27 艾尔坎国际有限公司 Aluminum alloys and process for making aluminum alloy sheet
CN1263566A (en) * 1998-04-08 2000-08-16 本田技研工业株式会社 Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles
EP2281909A1 (en) * 2004-04-05 2011-02-09 Nippon Light Metal Company Ltd. Aluminum alloy casting material for heat treatment with excellent thermal conductivity and manufacturing methods thereof.
JP4351609B2 (en) * 2004-11-12 2009-10-28 本田技研工業株式会社 Aluminum alloy, heat-resistant and high-strength aluminum alloy part, and manufacturing method thereof
CN103103384A (en) * 2012-11-09 2013-05-15 安徽欣意电缆有限公司 Al-Fe-Os-RE aluminium alloy, preparation method thereof and power cable

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