Process for electrolytic deposition of metals on zirconium mater

Details Process for electrolytic deposition of metals on zirconium mater Process for electrolytic deposition of metals on zirconium mater

1976-10-04

1979-01-30

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

C25D 534

Patent

active

041371313

ABSTRACT:
A process for the electrolytic deposition of a metal layer on an article comprised of zirconium or a zirconium alloy is disclosed. The article is activated in an aged aqueous solution comprising from about 10 to about 20 grams per liter ammonium bifluoride and from about 0.75 to about 2 grams per liter of sulfuric acid. The solution is aged by immersion of pickled zirconium in the solution for at least about 10 minutes. The loosely adhering film formed on the article in the activating step is removed and the article is contacted with an electrolytic plating solution containing the metal to be deposited on the article in the presence of an electrode receiving current.

REFERENCES:
patent: 3560352 (1971-02-01), van Garderen et al.
patent: 4017368 (1977-04-01), Wax et al.
Electroplating Engineering Handbook, A. K. Graham, Editor, Reinhold, 1962, pp. 153, 154.
Metal Finishing Guidebook Directory, N. Hall, Editor, Metals and Plastics Publications, Inc., 1975, p. 134.

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