Abstracts and Available Papers Presented at the 2004 International RERTR Meeting
An Investigation on the Irradiation Behavior of Atomized
U-Mo/Al Dispersion Rod Fuels
J.M. Park, H.J. Ryu, Y.S. Lee, D.B. Lee, S.J. Oh, B.O.
Yoo, Y.H. Jung, D.S. Sohn, and C.K. Kim Korea Atomic Energy Research Institute 150, Dukjin-Dong,
Yuseong-gu, Daejeon, 305-353, Korea
ABSTRACT
The second irradiation fuel experiment, KOMO-2, for
the qualification test of atomized U-Mo dispersion rod
fuels with U-loadings of 4-4.5 gU/cc at KAERI was
finished after an irradiation up to 70 at% U235 peak
burn-up and subjected to the IMEF(Irradiation material
Examination Facility) for a post-irradiation analysis in
order to understand the fuel irradiation performance of
the U-Mo dispersion fuel. Current results for PIE of
KOMO-2 revealed that the U-Mo/Al dispersion fuel rods
exhibited a sound performance without any break-away
swelling, but most of the fuel rods irradiated at a high
linear power showed an extensive formation of the
interaction phase between the U-Mo particle and the Al
matrix. In this paper, the analysis of the PIE results,
which focused on the diffusion related microstructures
obtained from the optical and EPMA observations, will be
presented in detail. And a thermal modeling will be
carried out to calculate the temperature of the fuel rod
during an irradiation.
Contact: Dr. Jordi Roglans-Ribas
Technical Director, RERTR Department
Nuclear Engineering Division – 362
Argonne National Laboratory
9700 South Cass Avenue
Argonne, IL 60439
Fax: +1 630-252-5161
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The 2015 International RERTR Meeting (RERTR-2015) took place in Seoul, Korea on Oct. 11-14, 2015.
For more information visit RERTR-2015.
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