Sintered nuclear fuel compact and method for its production

Details Sintered nuclear fuel compact and method for its production Sintered nuclear fuel compact and method for its production

1987-03-12

1988-09-27

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

264 05, 264 60, 264125, 252637, 252638, 252643, G21C 2102

Patent

active

047740515

ABSTRACT:
A sintered nuclear fuel compact of UO.sub.2 or the mixed oxides (U, Pu)O.sub.2 and (U, Th)O.sub.2, with which reactivity losses in a nuclear reactor having relatively long fuel element cycles are avoided, has in its sintered matrix neutron poison in the chemical compound form UB.sub.x with x=2; 4 and/or 12 and/or B.sub.4 C. A sintered nuclear fuel compact of this kind is produced by sintering from a compact comprising a mixture of at least one of the mixture components UO.sub.2, PuO.sub.2, (U, Pu)O.sub.2 and (U, Th)O.sub.2 powder with UB.sub.x powder, where x=2; 4 and/or 12 and/or B.sub.4 C powder.

REFERENCES:
patent: 3349152 (1967-10-01), Watanabe
patent: 3372213 (1968-03-01), Nishiyama et al.
patent: 3427222 (1969-02-01), Biancheria et al.
patent: 3501411 (1970-03-01), Triggiani
patent: 3520958 (1970-07-01), Versteeg et al.
patent: 3917768 (1975-11-01), Daga
patent: 4671904 (1987-06-01), Dorr
Euratom Info., vol 7; No. 11, Nov. 1969, p. 739.

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