ELECTROLYTE FOR ZINC-COBALT ALLOY DEPOSITION Russian patent published in 1997 - IPC

Abstract RU 2071997 C1

FIELD: galvanostegy. SUBSTANCE: electrolyte has, g/l: zinc sulfate 140-160; cobalt sulfate 15-30; ammonium sulfate 5-15; boric acid 10-30; nonionogenic surface-active substance 5-6, and organic addition 0.5-2.0. Organic addition is product of interaction of p-aminobenzoic acid with cinnamic aldehyde at their molar ratio = 1:1. Precipitation is carried out at current density range 0.5-4 A/dm2.. Cathode yield by current is 85-90%. Electrolyte ensures to obtain the homogeneous zinc-cobalt coatings containing 0.3-1.0% cobalt on rough adhesion surface. Invention can be used in radioelectronic, electric engineering, automobile and other branches of industry. EFFECT: enhanced quality of electrolyte. 2 tbl

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RU 2 071 997 C1

Authors

Egorova E.N.

Grigorjan N.S.

Jakimchuk S.N.

Kharlamov V.I.

Vagramjan T.A.

Dates

1997-01-20Published

1995-03-27Filed