METHOD FOR APPLICATION OF COATING ON PARTS MADE OF ALUMINUM AND ALUMINUM ALLOYS

electrochemical method for application of coatings on aluminum and aluminum alloys, widely used as structural materials, in adhesive joints and metal-polymeric materials. SUBSTANCE: the method consists in a double-stage anode oxidation of the part in a solution containing phosphoric acid, sulfuric a...

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Bibliographische Detailangaben
Hauptverfasser:	KARIMOVA S.A, PAVLOVSKAJA T.G, SENATOROVA O.G, ZOLOTAREVA L.A, KOLOBOVA Z.N, ANIKHOVSKAJA L.I, ZHIRNOV A.D
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:	electrochemical method for application of coatings on aluminum and aluminum alloys, widely used as structural materials, in adhesive joints and metal-polymeric materials. SUBSTANCE: the method consists in a double-stage anode oxidation of the part in a solution containing phosphoric acid, sulfuric acid and sodium tetraborate, the double-stage anode oxidation is carried out continuously, prior to the anode oxidation, a homogenizing treatment is performed, and after the anode oxidation a densification of the coating is carried out with a simultaneous painting. EFFECT: enhanced and stable adhesive strength and fatigue characteristics, satisfactory corrosion resistance in all climatic conditions, provided visual inspection of the coating, metallurgical in-process defects. 5 cl, 3 tbl