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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Abstracts and Available Papers Presented at the
1996 International RERTR Meeting


A.V. Vatulin

All-Russian Scientific Research Institue
for Inorganic Materials (ARSRIIM)
Moscow, Russia


Uranium silicide U3Si is considered as perspective nuclear fuel for Russian research reactors. In order to resolve the problem of enrichment reduction this nuclear fuel is the most real alternative for the Uranium dioxide which is currently used for these purposes.

Within RERTR program two MP type fuel element models with the core consisting of U3Si nuclear fuel dispersed in an aluminium matrix were tested in MP reactor. The tests confirmed that the use of U3Si + Al fuel composition is a perspective solution to reduce fuel element enrichment in research reactors.

This report represents analysis of post-irradiation tests of the fuel element models. The goal of the analysis being to establish the value and the appropriateness of swelling for the Uranium silicide.

The fuel element represents a cylinder tube with four ribs on the outer surface. The claddings are produced of CAB-6 alloy. The contents of nuclear fuel in the core constitute 34% by volume, technological pores constitute 4.5% and the rest is aluminium matrix. The nuclear fuel was produced in ARSRIIM, the fuel elements was produced by ARSRIIM specialists with equipment of NZKH.

PDF version NOT available
An electronic copy of the full paper is not available at this time. If you would like to receive a copy of this paper, please contact the author.

Mr. Aleksandr Vatulin
All-Russian Scientific Research Institute
for Inorganic Materials
Rogova 5, P.O. Box 369
Moscow, 123060, Russia
Tel.: +7-095-190-8166
Fax: +7-095-925-5972 (Box A-39)

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