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RU96118802A - METHOD FOR OBTAINING PROTECTIVE COATINGS ON ALUMINUM AND ITS ALLOYS - Google Patents

METHOD FOR OBTAINING PROTECTIVE COATINGS ON ALUMINUM AND ITS ALLOYS

Info

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
Application number
RU96118802/02A
Other languages
Russian (ru)
Other versions
RU2112087C1 (en
Inventor
С.В. Гнеденков
О.А. Хрисанфова
А.Н. Коврянов
С.Л. Синебрюхов
А.Г. Завидная
Л.В. Лысенко
П.С. Гордиенко
Original Assignee
Институт химии ДВО РАН
Filing date
Publication date
Application filed by Институт химии ДВО РАН filed Critical Институт химии ДВО РАН
Priority to RU96118802A priority Critical patent/RU2112087C1/en
Priority claimed from RU96118802A external-priority patent/RU2112087C1/en
Application granted granted Critical
Publication of RU2112087C1 publication Critical patent/RU2112087C1/en
Publication of RU96118802A publication Critical patent/RU96118802A/en

Links

Claims (1)

Способ получения защитных покрытий на алюминии и его сплавах методом микродугового оксидирования, включающий обработку в водном электролите, содержащем фторсодержащую соль щелочного металла, отличающийся тем, что обработку ведут при напряжении формирования покрытий 160-170 В и плотности тока 0,9-1,2 А/см2 в электролите с pH 9,8-10,2, содержащем в качестве фторсодержащей соли щелочного металла гексафторалюминат натрия и дополнительно тартрат калия, фторид натрия и гидроксид калия при следующем соотношении компонентов, г/л:
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
RU96118802A 1996-09-23 1996-09-23 Method of producing of protective coatings on aluminum and its alloys RU2112087C1 (en)

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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2251596C2 (en) * 2000-12-19 2005-05-10 Ооо "Торсэт" Method for coating articles of aluminum silicon-containing alloys
US7452454B2 (en) 2001-10-02 2008-11-18 Henkel Kgaa Anodized coating over aluminum and aluminum alloy coated substrates
US6916414B2 (en) * 2001-10-02 2005-07-12 Henkel Kommanditgesellschaft Auf Aktien Light metal anodization
US7578921B2 (en) 2001-10-02 2009-08-25 Henkel Kgaa Process for anodically coating aluminum and/or titanium with ceramic oxides
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
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
RU2237758C1 (en) * 2003-11-04 2004-10-10 Орловский государственный технический университет Method of making heat-resistant insulating coats on articles made from aluminum alloys
US9701177B2 (en) 2009-04-02 2017-07-11 Henkel Ag & Co. Kgaa Ceramic coated automotive heat exchanger components

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD205197A1 (en) * 1982-05-14 1983-12-21 Peter Kurze METHOD FOR THE PRODUCTION OF OXIDAL LAYERS AS A TRAIGERMATERIAL
RU2049162C1 (en) * 1992-01-29 1995-11-27 Институт химии Дальневосточного отделения РАН Method for obtaining protective coating on valve metals and their alloys
RU2046156C1 (en) * 1992-05-21 1995-10-20 Институт химии Дальневосточного отделения РАН Electrolyte for deposition of coatings onto valve metals

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