Method for preparation for a Zn-Ni electroplating or hot-dip gal

Details Method for preparation for a Zn-Ni electroplating or hot-dip gal Method for preparation for a Zn-Ni electroplating or hot-dip gal

1994-02-25

1995-08-15

Gorgos, Kathryn

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Treating process fluid by means other than agitation or...

205246, C25D 2118

Patent

active

054416280

ABSTRACT:
A Zn-Ni alloy having a high Ni content is used for supplying Ni.sup.2+ and Zn.sup.2+ ions into an acidic plating bath and for supplying Ni and Zn into a hot dip galvanizing bath. This alloy is characterized by being produced by using a flux consisting of a fused-salt former, which forms a salt having a melting temperature of 700.degree. C. or less, and Na.sub.2 B.sub.4 O.sub.7 and occasionaly additionally Na.sub.2 CO.sub.3. By using the inventive alloy, the bath can be quickly prepared, and Zn and Ni can be supplied to the bath without leaving the undissolved residue.

REFERENCES:
patent: 4923573 (1990-05-01), Florian
Lowenheim, "Electroplating", McGraw-Hill Book Co., 1979, pp. 152-154.

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