Published 1986 | Version v1
Report Open

Air oxidation of UO2 fuel fragments at 170o to 400oC

Creators

  • 1. Atomic Energy of Canada Limited, Chalk River, Ontario (Canada)
  • 2. Ontario Hydro, Central Nuclear Services, Toronto, Ontario (Canada)

Description

The air oxidation at 175-400oC of unirradiated and irradiated UO2 fuel fragments was characterized by apparent activation energies of 140 ± 10 and 120 ± kJ/mol, respectively. There was a small enhancement in rate of weight gain for irradiated fragments compared with unirradiated fragments up to about ∼300oC; from 300o to 400oC there was no significant difference in oxidation rate. Air availability had a strong effect on rate of weight change above 300oC. (author)

Availability note (English)

Also available from: Journal of the American Ceramic Society, Feb.1986, Vol. 69, No. 2, p. C-16.

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Additional details

Publishing Information

Imprint Pagination
2 p.
Report number
AECL--9010

INIS

Country of Publication
Canada
Country of Input or Organization
Canada
INIS RN
44045096
Subject category
S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Descriptors DEI
IODINE 131; KRYPTON 85; MICROSECONDS LIVING RADIOISOTOPES; OXIDATION; SPENT FUEL STORAGE; SPENT FUELS; TEMPERATURE RANGE 0400-1000 K; URANIUM DIOXIDE; YEARS LIVING RADIOISOTOPES
Descriptors DEC
ACTINIDE COMPOUNDS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CHALCOGENIDES; CHEMICAL REACTIONS; DAYS LIVING RADIOISOTOPES; ENERGY SOURCES; EVEN-ODD NUCLEI; FUELS; HOURS LIVING RADIOISOTOPES; INTERMEDIATE MASS NUCLEI; IODINE ISOTOPES; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; KRYPTON ISOTOPES; MATERIALS; MICROSECONDS LIVING RADIOISOTOPES; NUCLEAR FUELS; NUCLEI; ODD-EVEN NUCLEI; OXIDES; OXYGEN COMPOUNDS; RADIOISOTOPES; REACTOR MATERIALS; STORAGE; TEMPERATURE RANGE; URANIUM COMPOUNDS; URANIUM OXIDES; YEARS LIVING RADIOISOTOPES

Optional Information

Notes
16 refs., 1 fig.