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Abstracts and Available Papers Presented at the
2000 International RERTR Meeting

An Investigation on the Fuel/Matrix Reaction Behaviors of U-Mo/Al Dispersion Fuels Prepared with Centrifugal Atomization

Ki-Hwan Kim, Hee-Jun Kwon, Jeong-Soo Lee,
Ho-Jin Ryu, Jong-Man Park, and Chang-Kyu Kim

Korea Atomic Energy Research Institute
Taejon, Korea


The out-pile examinations of atomized U-Mo dispersion fuels after reaction between U-Mo and the Al matrix at elevated temperature were carried out in order to investigate heat generation, reaction kinetics and thermal compatibility. The heat generation of the dispersion fuels during the thermal cycle from room temperature to 700oC was measured employing differential scanning calorimetry (DSC). Growth rates of the reaction layer were fitted theoretically using spherical diffusion model. The effect of volume fraction and powdering method on the thermal compatibility of atomized U-Mo dispersion fuels was also examined.

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Mr. Ki-Hwan Kim
Principal Researcher
150 Dukjin-dong Yusong-gu
Daejon, Korea 305-600

Phone:  +82-42-868-2308
Fax:      +82-42-868-8346

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Last modified on July 29, 2008 11:33 +0200