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Reduced Enrichment for Research and Test Reactors
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Abstracts and Available Papers Presented at the
2002 International RERTR Meeting

MANUFACTURING AND INVESTIGATION OF U-MO LEU FUEL GRANULES BY HYDRIDE-DEHYDRIDE PROCESSING

Y.A. Stetskiy, Y.I. Trifonov, A.V. Mitrofanov, V.I. Samarin

FederalState Unitary Enterprise
A.A. Bochvar All-Russia Research Institute of Inorganic Materials
123060 Moscow, VNIINM, P.B. 369, Rogova St., 5a

ABSTRACT

Investigations of hydride-dehydride processing for comminution of U-Mo alloys with Mo content in the range 1.9 ÷ 9.2% have been performed. Some regularities of the process as a function of Mo content have been determined as well as some parameters elaborated. Hydride-dehydride processing has been shown to provide necessary phase and chemical compositions of U-Mo fuel granules to be used in disperse fuel elements for research reactors.

Pin type disperse mini-fuel elements for irradiation tests in the loop of “MIR” reactor (Dmitrovgrad) have been fabricated using U-Mo LEU fuel granules obtained by hydride-dehydride processing. Irradiation tests of these mini-fuel elements loaded to 4 g Utot/cm3 are planned to start by the end of this year.


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Contact:
Dr. Yury Stetskiy

VNIINM, Head of Laboratory
123060, Rogov St. 5ª
P.B. 369 MoscowRussian Federation
Phone: (7 095) 190 8184
Fax: (7 095) 196 4075
E-mail: nevad@bochvar.ru

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