Method of producing low density oxide fuel pellet

Details Method of producing low density oxide fuel pellet Method of producing low density oxide fuel pellet

1983-03-11

1984-07-17

Hunt, Brooks H.

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating radioactive material

252637, 252638, G21C 2100, G21C 362

Patent

active

044605226

ABSTRACT:
A method of producing an oxide fuel pellet having a low density is provided which comprises adding a manganese compound to an oxide fuel powder selected from a group consisting of uranium dioxide powder and a mixed powder of uranium dioxide and plutonium dioxide, in an amount of 0.01 to 5.0% by weight based on the weight of the oxide fuel powder, molding the resulting mixture into a pellet form, and sintering the pellet-formed mixture at a temperature of 1,200.degree. to 1,700.degree. C.

REFERENCES:
patent: 2290107 (1942-07-01), Luks
patent: 3355393 (1967-11-01), Swanson
patent: 3504058 (1970-03-01), Masselot
patent: 3625680 (1971-12-01), Asbury
patent: 3751538 (1973-08-01), Flipot et al.
patent: 3953286 (1976-04-01), Watson et al.
Sintering Characteristics of PuO.sub.2 -UO.sub.2 Mixed Pellets (III)-Doping Effects, M. Kinugasa et al., a paper given at the 1982 Ann. Meeting of the Atomic Energy Society of Japan, 2nd volume, published 3-15-82.

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