Coating processes – With pretreatment of the base – Etching – swelling – or dissolving out part of the base
Patent
1986-11-05
1989-02-07
Childs, Sadie
Coating processes
With pretreatment of the base
Etching, swelling, or dissolving out part of the base
156664, 427329, 427444, B05D 304, B05D 310
Patent
active
048030988
ABSTRACT:
This invention relates to a process for the preparation of a surface of a uranium and titanium alloy, and more specifically to etching the surface of said alloy for purposes of preparing said surface for nickel plating. More specifically, the process comprises chemically etching the surface of the uranium and titanium alloy with a solution comprising lithium chloride and hydrochloric acid. The process of this invention further provides for recovering the uranium dissolved in the etching solution and recycling said solution. The uranium is recovered from the etching solution by means of an ion exchange resin with the etching solution being recycled to the etching process.
REFERENCES:
patent: 2928168 (1960-03-01), Gray
patent: 3373092 (1968-03-01), Yoshimura et al.
patent: 3674655 (1972-07-01), de Vaulchier du Deschaux et al.
patent: 4024303 (1977-05-01), Hahn
patent: 4285782 (1981-08-01), Waldrop et al.
patent: 4673585 (1987-06-01), Anzda et al.
Metal Finishing, vol. 74, No. 4, Apr., 1976, "Etching and Plating of Uranium Alloys".
Henri Antoine
Lefevre Daniel
Massicot Patrick
Childs Sadie
Commissariat a l''Energie Atomique
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