Argonne National Laboratory
Reduced Enrichment for Research and Test Reactors
Nuclear Science and Engineering Division at Argonne
U.S. Department of Energy

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2006 International RERTR Meeting

Abstracts and Available Papers Presented at the Meeting

Interaction Layer Growth Correlations for
(U-Mo)/Al and Si-added (U-Mo)/Al Dispersion Fuels

Yeon Soo Kim, Ho Jin Ryu*, G.L. Hofman
Argonne National Laboratory, 9700 S. Cass Ave, Argonne, IL 60439, USA
* Assigned from Korea Atomic Energy Research Institute

S.L. Hayes, M.R. Finlay**, D.M. Wachs, G.S. Chang
Idaho National Laboratory, P.O. Box 1625, Idaho Falls, ID 83415-6188
** Assigned from ANSTO


The interaction layer (IL) growth correlation of (U-Mo)/Al dispersion fuel for in-reactor tests is considerably different from that for out-of-pile tests because it contains factors that enhance diffusion kinetics by fission damage in the IL. This enhancement during irradiation was formulated by a combination of the fission rate and fission-fragment damage factor in the IL. Using a computer code (TRIM), fission damage factors were obtained as a function of the thickness and Al-composition of the IL. As a result of data fitting, the model correlation was set as a function of four major factors: fission rate, fission-damage factors, temperature and time. One important change from the old model used in the PLATE code is that the new one has the squareroot dependence on the fission rate, whereas the old one has a linear dependence. The preliminary PIE results from RERTR-6 have shown a significant reduction in the IL thickness for the Si-added plates as well as prevention of pore formation. The reduction in IL growth followed an exponential decay function of the Si-content.

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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

2016 RERTR Meeting

The 2016 International RERTR Meeting (RERTR-2016) will take place in Belgium. Stay tuned for further details.

2015 RERTR Meeting

The 2015 International RERTR Meeting (RERTR-2015) took place in Seoul, Korea on Oct. 11-14, 2015.
For more information visit RERTR-2015.


ARGONNE NATIONAL LABORATORY, Nuclear Engineering Division, RERTR Department
9700 South Cass Ave., Argonne, IL 60439-4814
A U.S. Department of Energy laboratory managed by UChicago Argonne, LLC

Last modified on July 29, 2008 15:16 +0200