CN103205744B - A kind of process of surface treatment of radiator aluminum alloy - Google Patents
A kind of process of surface treatment of radiator aluminum alloy Download PDFInfo
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- CN103205744B CN103205744B CN201210008505.3A CN201210008505A CN103205744B CN 103205744 B CN103205744 B CN 103205744B CN 201210008505 A CN201210008505 A CN 201210008505A CN 103205744 B CN103205744 B CN 103205744B
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Abstract
The present invention relates to a kind of a kind of process of surface treatment of radiator aluminum alloy.The aluminium of welding pre-treatment is carried out cleaning successively, chemical rightenning, oil removing, activation, leaching zinc, washing process, it is characterized in that: the aluminium of above-mentioned process processes by described activation in acidic activated liquid, guarantee bonding force, described acid solution main component is oxalic acid 50 ~ 100g/l, ammonium acetate 50 ~ 100g/l, alcohol 20 ~ 80g/l.Present invention process method is convenient to processing, shortened process, is increased work efficiency, and utilizes present invention process to after aluminum alloy material surface process, strengthens the welding strength of weldment, the intensity of aluminium scatterer has been had and significantly improves.
Description
Technical field
The present invention relates to a kind of welding pre-treatment of aluminium, particularly relate to a kind of a kind of process of surface treatment of radiator aluminum alloy.
Background technology
At present, aluminium radiator, with its clear superiority on material lightweight, obtains and payes attention to widely, just progressively replace copper radiator in a lot of field.My company can produce full aluminium radiator now, but the heat sink assembly made with aluminum alloy materials is after welding, and its strength of joint was compared with former copper weldment, also has a certain distance.
Summary of the invention
The present invention provides a kind of a kind of process of surface treatment being convenient to process, improve welding strength, radiator aluminum alloy that working efficiency is high to overcome the above problems.
Technical scheme of the present invention is: the aluminium of welding pre-treatment is carried out cleaning successively, chemical rightenning, oil removing, activation, leaching zinc, washing process, the aluminium of above-mentioned process processes by described activation in acidic activated liquid, guarantee bonding force, described acid solution main component is oxalic acid 50 ~ 100g/l, ammonium acetate 50 ~ 100g/l, alcohol 20 ~ 80g/l.
Described cleaning adopts organic solvent to embathe the greasy dirt dirt settling of method removing aluminium material surface, and after first aluminium embathes with alcohol, then the mixing solutions putting into sodium carbonate 30 ~ 70g/l and emulsifying agent 1 ~ 10g/l cleans, and during cleaning, temperature controls at 40 ~ 80 DEG C.
The volume ratio that the aluminium of above-mentioned process is placed on phosphoric acid and glacial acetic acid by described chemical rightenning carries out polished finish in the mixing solutions of 5:3, and temperature controls within the scope of 80 ~ 110 DEG C, to obtain smooth plane.
Described oil removing is by the aluminium of above-mentioned process oil removal treatment in alkali lye, and surface cleaning is clean, and described alkali lye main component is sodium hydroxide 10 ~ 40g/l, sodium phosphate 10 ~ 40g/l.
The aluminium zincate solution of above-mentioned process soaks by described leaching zinc, and described zincate solution comprises zinc sulfate 30 ~ 60g/l, sodium hydroxide 100 ~ 200g/l, zinc oxide 10 ~ 50 g/l, sodium tartrate 10 ~ 50 g/l.
Present invention process method is convenient to processing, shortened process, is increased work efficiency, and utilizes present invention process to after aluminum alloy material surface process, strengthens the welding strength of weldment, the intensity of aluminium scatterer has been had and significantly improves.
Embodiment
A kind of process of surface treatment of radiator aluminum alloy, the aluminium of welding pre-treatment is carried out cleaning successively, chemical rightenning, oil removing, activation, leaching zinc, washing process.Described cleaning adopts organic solvent to embathe the greasy dirt dirt settling of method removing aluminium material surface, and after first aluminium embathes with alcohol, then the mixing solutions putting into sodium carbonate 30 ~ 70g/l and emulsifying agent 1 ~ 10g/l cleans, and during cleaning, temperature controls at 40 ~ 80 DEG C; The volume ratio that the aluminium of above-mentioned process is placed on phosphoric acid and glacial acetic acid by described chemical rightenning carries out polished finish in the mixing solutions of 5:3, and temperature controls within the scope of 80 ~ 110 DEG C, to obtain smooth plane; Described oil removing is by the aluminium of above-mentioned process oil removal treatment in alkali lye, and surface cleaning is clean, and described alkali lye main component is sodium hydroxide 10 ~ 40g/l, sodium phosphate 10 ~ 40g/l; The aluminium of above-mentioned process processes by described activation in acidic activated liquid, guarantees bonding force, and described acid solution main component is oxalic acid 50 ~ 100g/l, ammonium acetate 50 ~ 100g/l, alcohol 20 ~ 80g/l; The aluminium zincate solution of above-mentioned process soaks by described leaching zinc, and described zincate solution comprises zinc sulfate 30 ~ 60g/l, sodium hydroxide 100 ~ 200g/l, zinc oxide 10 ~ 50 g/l, sodium tartrate 10 ~ 50 g/l.
Claims (5)
1. a kind of process of surface treatment of radiator aluminum alloy, the aluminium of welding pre-treatment is carried out cleaning successively, chemical rightenning, oil removing, activation, leaching zinc, washing process, it is characterized in that: the aluminium of above-mentioned process processes by described activation in acidic activated liquid, guarantee bonding force, described acid solution main component is oxalic acid 50 ~ 100g/l, ammonium acetate 50 ~ 100g/l, alcohol 20 ~ 80g/l.
2. a kind of process of surface treatment of radiator aluminum alloy according to claim 1, it is characterized in that: described cleaning adopts organic solvent to embathe the greasy dirt dirt settling of method removing aluminium material surface, after first aluminium embathes with alcohol, the mixing solutions putting into sodium carbonate 30 ~ 70g/l and emulsifying agent 1 ~ 10g/l again cleans, and during cleaning, temperature controls at 40 ~ 80 DEG C.
3. a kind of process of surface treatment of radiator aluminum alloy according to claim 1, it is characterized in that: the volume ratio that the aluminium of above-mentioned process is placed on phosphoric acid and glacial acetic acid by described chemical rightenning carries out polished finish in the mixing solutions of 5:3, temperature controls within the scope of 80 ~ 110 DEG C, to obtain smooth plane.
4. a kind of process of surface treatment of radiator aluminum alloy according to claim 1, it is characterized in that: described oil removing is by the aluminium of above-mentioned process oil removal treatment in alkali lye, surface cleaning is clean, and described alkali lye main component is sodium hydroxide 10 ~ 40g/l, sodium phosphate 10 ~ 40g/l.
5. a kind of process of surface treatment of radiator aluminum alloy according to claim 1, it is characterized in that: the aluminium zincate solution of above-mentioned process soaks by described leaching zinc, described zincate solution comprises zinc sulfate 30 ~ 60g/l, sodium hydroxide 100 ~ 200g/l, zinc oxide 10 ~ 50 g/l, sodium tartrate 10 ~ 50 g/l.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210008505.3A CN103205744B (en) | 2012-01-12 | 2012-01-12 | A kind of process of surface treatment of radiator aluminum alloy |
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| CN201210008505.3A CN103205744B (en) | 2012-01-12 | 2012-01-12 | A kind of process of surface treatment of radiator aluminum alloy |
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| CN103205744A CN103205744A (en) | 2013-07-17 |
| CN103205744B true CN103205744B (en) | 2015-08-19 |
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| CN201210008505.3A Active CN103205744B (en) | 2012-01-12 | 2012-01-12 | A kind of process of surface treatment of radiator aluminum alloy |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154861A (en) * | 2015-07-06 | 2015-12-16 | 安徽景昌铝业有限公司 | Chromate-free passivation treatment process for aluminum profile material |
| CN106567075B (en) * | 2016-10-20 | 2018-10-19 | 中国南方电网有限责任公司超高压输电公司贵阳局 | A kind of surface of internal cavity processing method of the valve inner cold system Aluminium Radiator of D.C. high voltage transmission |
| CN106676511A (en) * | 2016-12-23 | 2017-05-17 | 安徽景昌铝业有限公司 | Low-temperature passivation technology of aluminum profile |
| CN107051838A (en) * | 2016-12-23 | 2017-08-18 | 安徽景昌铝业有限公司 | A kind of surface spraying handling process of aluminium section bar |
| CN113621949A (en) * | 2021-06-30 | 2021-11-09 | 郑州亨睿精密机械科技有限公司 | Aluminum alloy surface treatment process |
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| CN101660116A (en) * | 2009-09-04 | 2010-03-03 | 高远新 | Hot dipping alumetizing process of steel radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4159897B2 (en) * | 2003-02-26 | 2008-10-01 | 東洋鋼鈑株式会社 | Surface-treated Al plate excellent in solderability, heat sink using the same, and method for producing surface-treated Al plate excellent in solderability |
| JP2010222659A (en) * | 2009-03-24 | 2010-10-07 | Kobe Steel Ltd | Aluminum alloy material and method of manufacturing the same |
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| US5520768A (en) * | 1994-10-21 | 1996-05-28 | Thiokol Corporation | Method of surface preparation of aluminum substrates |
| CN101403117A (en) * | 2008-11-07 | 2009-04-08 | 长沙湘计海盾科技有限公司 | Composite oxidation technology for aluminum or aluminum alloy product surface |
| CN101660116A (en) * | 2009-09-04 | 2010-03-03 | 高远新 | Hot dipping alumetizing process of steel radiator |
Non-Patent Citations (3)
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| "化学镀镍层的性能及工艺选择";唐春华;《电镀与涂饰》;19910630;第10卷(第2期);第37、43页 * |
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