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


E. E. Pasqualini
Nuclear Fuels Department, CAC, UATEN.
Comisión Nacional de Energía Atómica
Av. Gral. Paz 1499 (B1650KNA)
Buenos Aires, Argentina
[email protected]


Development advances in uranium-molybdenum monolithic and dispersed fuels are presented so as to look forward additional alternatives to cover HEU-LEU conversion possibilities.

Preliminary results on post-irradiation examination of one zircaloy-4 cladded U- 7Mo monolithic 20% enriched miniplate irradiated during the RERTR-7A experiment shows good performance.

With this encouraging results, new developments in monolithic fuels are being designed.

Process capabilities and performance prediction in dispersed fuels are being tried with the following characteristics:

  1. Aluminum matrix alloyed with germanium, instead of silicon.
  2. Coated U-Mo particles with silicon, germanium and nickel, and aluminum alloyed with these elements, so as to reduce interaction kinetics.
  3. Incorporation of porous alumina in the matrix, to adsorb gaseous fission products.

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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