PREPARATION OF HIGH-DENSITY OXIDES AND VIBRATORY COMPACTION IN FUEL TUBES
Technical Report
·
OSTI ID:4090651
Initial experimental studies of simplified technologies for recycle of fuel and fertile materials to heterogeneous reactors have demonstrated chemical preparation of high-density oxides and vibratory compaction to give high densities in cladding tubes. Preparation of thorium or thoriumuranium sols followed by careful drying and calcination at 1200 ts C gave oxides with densities 98 to 99.4% of theoretical. Vibratory compaction by either pneumatic or electronic vibrators of mixed-sized fractions of powders gave ThC/ sub 2/ or ThC/sub 2/-UO/sub 2/ densities in stainless-steel tubes up to 89% of theoretical. These procedures should decrease costs for direct fabrication and should permit remote preparation and compaction of oxide powders into fuel elements that have been assembled with empty pins. (auth)
- Research Organization:
- Oak Ridge National Lab., Tenn.
- DOE Contract Number:
- W-7405-ENG-26
- NSA Number:
- NSA-15-009385
- OSTI ID:
- 4090651
- Report Number(s):
- ORNL-2965
- Country of Publication:
- United States
- Language:
- English
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