METHOD OF ELECTROPLATING ON URANIUM
Patent
·
OSTI ID:4212402
This patent relates to a preparation of metallic uranium surfaces for receiving coatings, particularly in order to secure adherent electroplated coatings upon uranium metal. In accordance with the invention the uranium surface is pretreated by degreasing in trichloroethylene, followed by immersion in 25 to 50% nitric acid for several minutes, and then rinsed with running water, prior to pickling in trichloroacetic acid. The last treatment is best accomplished by making the uranium the anode in an aqueous solution of 50 per cent by weight trichloroacetic acid until work-distorted crystals or oxide present on the metal surface have been removed and the basic crystalline structure of the base metal has been exposed. Following these initial steps the metallic uranium is rinsed in dilute nitric acid and then electroplated with nickel. Adnerent firmly-bonded coatings of nickel are obtained.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-022506
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2884364
- OSTI ID:
- 4212402
- Country of Publication:
- United States
- Language:
- English
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