METHOD OF MULTICOLORED DYING OF ALUMINIUM AND ALUMINIUM-ALLOY OBJECTS Russian patent published in 1997 - IPC

Abstract RU 2072000 C1

FIELD: protective and finishing coatings. SUBSTANCE: method includes primary and secondary anodizing under condition of microplasma discharges on anode in electrolytes providing formation of colored films, wherein final voltage of formation of primary anode film is higher than that of secondary anode film and primary film is destroyed in the zone supposed to be dyed. EFFECT: improved procedure. 2 cl, 1 tbl

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RU 2 072 000 C1

Authors

Rudnev V.S.

Gordienko P.S.

Jarovaja T.P.

Nedozorov P.M.

Gnedenkov S.V.

Khrisanfova O.A.

Dates

1997-01-20Published

1993-08-23Filed