RU96118802A - METHOD FOR OBTAINING PROTECTIVE COATINGS ON ALUMINUM AND ITS ALLOYS - Google Patents
METHOD FOR OBTAINING PROTECTIVE COATINGS ON ALUMINUM AND ITS ALLOYSInfo
- Publication number
- RU96118802A RU96118802A RU96118802/02A RU96118802A RU96118802A RU 96118802 A RU96118802 A RU 96118802A RU 96118802/02 A RU96118802/02 A RU 96118802/02A RU 96118802 A RU96118802 A RU 96118802A RU 96118802 A RU96118802 A RU 96118802A
- Authority
- RU
- Russia
- Prior art keywords
- alloys
- aluminum
- protective coatings
- sodium
- obtaining protective
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 title claims 2
- 239000000956 alloy Substances 0.000 title claims 2
- 229910052782 aluminium Inorganic materials 0.000 title claims 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims 2
- 239000011253 protective coating Substances 0.000 title claims 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 6
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims 4
- AVTYONGGKAJVTE-UHFFFAOYSA-L Potassium tartrate Chemical compound [K+].[K+].[O-]C(=O)C(O)C(O)C([O-])=O AVTYONGGKAJVTE-UHFFFAOYSA-L 0.000 claims 2
- 229940111695 Potassium tartrate Drugs 0.000 claims 2
- 229910001610 cryolite Inorganic materials 0.000 claims 2
- 235000016693 dipotassium tartrate Nutrition 0.000 claims 2
- 239000003792 electrolyte Substances 0.000 claims 2
- 239000001472 potassium tartrate Substances 0.000 claims 2
- 239000011775 sodium fluoride Substances 0.000 claims 2
- 235000013024 sodium fluoride Nutrition 0.000 claims 2
- REHXRBDMVPYGJX-UHFFFAOYSA-H Sodium hexafluoroaluminate Chemical compound [Na+].[Na+].[Na+].F[Al-3](F)(F)(F)(F)F REHXRBDMVPYGJX-UHFFFAOYSA-H 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 claims 1
- -1 alkali metal sodium hexafluoroaluminate Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 150000004673 fluoride salts Chemical class 0.000 claims 1
- 125000001153 fluoro group Chemical class F* 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 claims 1
- 235000011118 potassium hydroxide Nutrition 0.000 claims 1
Claims (1)
Гексафторалюминат натрия - 2-12
Тартрат калия - 5-10
Фторид натрия - 0,5-2,0
Гидроксид калия - 0,5-0,6вThe method of obtaining protective coatings on aluminum and its alloys by the method of microarc oxidation, including treatment in an aqueous electrolyte containing an alkali metal fluoride salt, characterized in that the treatment is carried out at a coating formation voltage of 160-170 V and current density of 0.9-1.2 A / cm 2 in the electrolyte with a pH of 9.8-10.2, containing as the fluorine salt of an alkali metal sodium hexafluoroaluminate and additionally potassium tartrate, sodium fluoride and potassium hydroxide in the following ratio of components, g / l:
Sodium Hexafluoroaluminate - 2-12
Potassium tartrate - 5-10
Sodium fluoride - 0.5-2.0
Potassium hydroxide - 0.5-0.6v
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU96118802A RU2112087C1 (en) | 1996-09-23 | 1996-09-23 | Method of producing of protective coatings on aluminum and its alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU96118802A RU2112087C1 (en) | 1996-09-23 | 1996-09-23 | Method of producing of protective coatings on aluminum and its alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2112087C1 RU2112087C1 (en) | 1998-05-27 |
| RU96118802A true RU96118802A (en) | 1998-12-10 |
Family
ID=20185654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU96118802A RU2112087C1 (en) | 1996-09-23 | 1996-09-23 | Method of producing of protective coatings on aluminum and its alloys |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2112087C1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7820300B2 (en) | 2001-10-02 | 2010-10-26 | Henkel Ag & Co. Kgaa | Article of manufacture and process for anodically coating an aluminum substrate with ceramic oxides prior to organic or inorganic coating |
| US6916414B2 (en) * | 2001-10-02 | 2005-07-12 | Henkel Kommanditgesellschaft Auf Aktien | Light metal anodization |
| US7569132B2 (en) | 2001-10-02 | 2009-08-04 | Henkel Kgaa | Process for anodically coating an aluminum substrate with ceramic oxides prior to polytetrafluoroethylene or silicone coating |
| US7452454B2 (en) | 2001-10-02 | 2008-11-18 | Henkel Kgaa | Anodized coating over aluminum and aluminum alloy coated substrates |
| US7578921B2 (en) | 2001-10-02 | 2009-08-25 | Henkel Kgaa | Process for anodically coating aluminum and/or titanium with ceramic oxides |
| US9701177B2 (en) | 2009-04-02 | 2017-07-11 | Henkel Ag & Co. Kgaa | Ceramic coated automotive heat exchanger components |
-
1996
- 1996-09-23 RU RU96118802A patent/RU2112087C1/en active
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