Method for producing oxidic sintered nuclear fuel bodies

Plastic and nonmetallic article shaping or treating: processes – Shaping or treating radioactive material

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252637, 252638, 252643, 264 60, 264125, 376419, 423 15, G21C 2102, G21C 2100, G21C 300, C09K 1104

Patent

active

046719040

ABSTRACT:
UO.sub.2 base powder exhibiting any specific surface and crystallite diameter properties is mixed with rare earth (SE) oxide-containing powder, the particles of which exhibit at least in one surface layer, a crystal lattice of the fluorite type, with the stoichiometric composition (SE.sub.0.5, U.sub.0.5) 0.sub.2.00 and/or form it in sintering; and is compacted to form compacts which are sintered in a gas atmosphere with reducing action at 1500.degree. C. to 1750.degree. C. to form high-density sintered bodies.

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patent: 4094738 (1978-06-01), Chubb
patent: 4119563 (1978-10-01), Kadner et al.
patent: 4278560 (1981-07-01), Sondermann
patent: 4409157 (1983-10-01), Haas et al.
patent: 4512939 (1985-04-01), Dorr et al.

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