Chemistry: electrical and wave energy – Processes and products
Patent
1980-08-06
1981-08-25
Gantz, Delbert E.
Chemistry: electrical and wave energy
Processes and products
204 15, 204 37R, 204 40, 204 52R, 204 52Y, C25D 532
Patent
active
042857821
ABSTRACT:
The present invention is directed to a method for providing uranium metal with a protective coating of copper. Uranium metal is subjected to a conventional cleaning operation wherein oxides and other surface contaminants are removed, followed by etching and pickling operations. The copper coating is provided by first electrodepositing a thin and relatively porous flash layer of copper on the uranium in a copper cyanide bath. The resulting copper-layered article is then heated in an air or inert atmosphere to volatilize and drive off the volatile material underlying the copper flash layer. After the heating step an adherent and essentially non-porous layer of copper is electro-deposited on the flash layer of copper to provide an adherent, multi-layer copper coating which is essentially impervious to corrosion by most gases.
REFERENCES:
patent: 2836548 (1958-05-01), Gray et al.
patent: 2894885 (1959-07-01), Gray et al.
patent: 3147547 (1964-09-01), Kuebrich et al.
Jones Edward
Waldrop Forrest B.
Besha Richard G.
Gantz Delbert E.
Hamel Stephen D.
Larcher Earl L.
Leader William
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