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HTGR fuel development: investigations of breakages of uranium-loaded weak acid resin microspheres

Technical Report ·
DOI:https://doi.org/10.2172/7085644· OSTI ID:7085644
During the HTGR fuel development program, a high percentage of uranium-loaded weak acid resin microspheres broke during pneumatic transfer, carbonization, and conversion. One batch had been loaded by the UO/sub 3/ method; the other by the ammonia neutralization method. To determine the causes of failure, samples of the two failed batches were investigated by optical microscopy, scanning electron microscopy, electron beam microprobe, and other techniques. Causes of failure are postulated and methods are suggested to prevent recurrence of this kind of failure.
Research Organization:
Oak Ridge National Lab., Tenn. (USA)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
7085644
Report Number(s):
ORNL/TM-6067
Country of Publication:
United States
Language:
English