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THE EFFECT OF HIGH-BURNUP IRRADIATION ON MASSIVE URANIUM MONOCARBIDE

Technical Report ·
OSTI ID:4100257

The results of examinations of uranium carbide having a nominal composition of uranium-5 wt.% carbon are very encouraging after irradiation to a burn-up of about 25,000 Mwd/ton of uranium. The density changes were relatively small, 3.4 and 4.4% for the two specimens that were irradiated. Dimensional changes were correspondingly small with increases in the diametral direction of only 1.2 and 1.4%. Only one large crack was observed in one of the specimens immediately upon removal from the test capsule. A metallographic examination showed that the microstructure of the fuel did change noticeably during the irradiation. (auth)

Research Organization:
Battelle Memorial Inst., Columbus, Ohio
DOE Contract Number:
W-7405-ENG-92
NSA Number:
NSA-15-007847
OSTI ID:
4100257
Report Number(s):
BMI-1491
Country of Publication:
United States
Language:
English

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