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Title: Method for providing uranium with a protective copper coating

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.

Inventors:
 [1];  [2]
  1. Powell, TN
  2. Knoxville, TN
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
OSTI Identifier:
863965
Patent Number(s):
US 4285782
Assignee:
United States of America as represented by United States (Washington, DC)
DOE Contract Number:  
W-7405-ENG-26
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; providing; uranium; protective; copper; coating; directed; metal; subjected; conventional; cleaning; operation; oxides; surface; contaminants; removed; followed; etching; pickling; operations; provided; electrodepositing; relatively; porous; flash; layer; cyanide; bath; resulting; copper-layered; article; heated; air; inert; atmosphere; volatilize; drive; volatile; material; underlying; heating; step; adherent; essentially; non-porous; electro-deposited; provide; multi-layer; impervious; corrosion; gases; porous layer; protective coating; inert atmosphere; uranium metal; providing uranium; volatile material; heating step; cleaning operation; copper coating; surface contaminants; resulting copper; /205/

Citation Formats

Waldrop, Forrest B, and Jones, Edward. Method for providing uranium with a protective copper coating. United States: N. p., 1981. Web.
Waldrop, Forrest B, & Jones, Edward. Method for providing uranium with a protective copper coating. United States.
Waldrop, Forrest B, and Jones, Edward. Thu . "Method for providing uranium with a protective copper coating". United States. https://www.osti.gov/servlets/purl/863965.
@article{osti_863965,
title = {Method for providing uranium with a protective copper coating},
author = {Waldrop, Forrest B and Jones, Edward},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1981},
month = {1}
}

Patent:

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