Minimization of mounds in iron-zinc electrogalvanized sheet

Details Minimization of mounds in iron-zinc electrogalvanized sheet Minimization of mounds in iron-zinc electrogalvanized sheet

1992-07-30

1994-05-31

Niebling, John

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Depositing predominantly alloy coating

106 129, C25D 356

Patent

active

053166531

ABSTRACT:
A process and electrolyte for forming mound-free coatings of zinc-iron alloy on metal, e.g. steel, sheet and strip comprises passing the article to be plated through an electrolyte bath containing chlorides of iron and zinc and from about 2 to about 6 g/l, and particularly about 2.5 to about 3.5 g/l, of citric acid.

REFERENCES:
patent: 2778787 (1957-01-01), Salt et al.
patent: 4540472 (1985-09-01), Johnson et al.
patent: 4541903 (1985-09-01), Kyono et al.
Irie et al., "Development of Zn-Fe Alloy Electroplating with Soluble Anode in Chloride Bath", 4th AES Continuous Strip Plating Symposium, Chicago, IL, May 13, 1984.

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