PREPARATION OF REFRACTORY OXIDE CRYSTALS
Patent
·
OSTI ID:4764289
A method is given for preparing uranium dioxide, thorium oxide, and beryllium oxide in the form of enlarged individual crystals. The surface of a fused alkali metal halide melt containing dissolved uranium, thorium, or beryllium values is contacted with a water-vapor-bearing inert gas stream at a rate of 5 to 10 cubic centimeters per minute per square centimeter of melt surface area. Growth of individual crystals is obtained by prolonged contact. Beryllium oxide-coated uranium dioxide crystals are prepared by disposing uranium dioxide crystals 5 to 20 microns in diameter in a beryllium-containing melt and contacting the melt with a water-vapor-bearing inert gas stream in the same manner. (AEC)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-17-003416
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 3063794
- OSTI ID:
- 4764289
- Country of Publication:
- United States
- Language:
- English
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