Method for manufacturing zinciferous electroplated steel sheet e

Details Method for manufacturing zinciferous electroplated steel sheet e Method for manufacturing zinciferous electroplated steel sheet e

1992-02-13

1993-04-13

Tufariello, T. M.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Coating contains embedded solid material

205155, C25D 706

Patent

active

052020126

ABSTRACT:
A method for manufacturing a zinciferous electroplated steel sheet excellent in press-formability, which comprises the steps of: electroplating a steel sheet in a zinciferous acidic electroplating solution, which contains nitric acid ions or nitrous acid ions in an amount within a range of from 0.1 to 50 g per liter of the electroplating solution, and oxide particles of a metal or a semimetal, uniformly dispersible into the electroplating solution, in an amount within a range of from 0.1 to under 0.5 g per liter of the electroplating solution, to form, on at least one surface of the steel sheet, a zinciferous electroplating layer in which zinc hydroxide particles having the oxide particles as nuclei thereof are uniformly dispersed.

REFERENCES:
Patent Abstracts of Japan, vol. 12, No. 482, Dec. 1988, Abstract of JP-A-63 199899, Aug. 1988.

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