Method for manufacturing oxidic nuclear fuel bodies

Details Method for manufacturing oxidic nuclear fuel bodies Method for manufacturing oxidic nuclear fuel bodies

1979-12-18

1982-09-07

Kyle, Deborah L.

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating radioactive material

252643, 422159, 423261, G21C 2100

Patent

active

043483399

ABSTRACT:
Manufacture of oxidic nuclear fuel bodies with oxygen-to-metal ratio of 2.0.+-.0.02 at relatively low sintering temperature in range of 1000.degree.-1400.degree. C. Nuclear fuel powder with an arbitrary oxygen-to-metal ratio is mixed with a grain-growth promoting additive (U.sub.3 O.sub.8) and pressed into blanks. The blanks are subjected to a two-stage operation in a furnace at 1000.degree.-1400.degree. C. - an oxidative-sintering stage in a carbon dioxide atmosphere and a reducing stage in a hydrogen containing atmosphere.

REFERENCES:
patent: 3094377 (1963-06-01), Langrod
patent: 3258317 (1966-06-01), Brearton
patent: 3375306 (1968-03-01), Russell et al.
patent: 3641227 (1972-02-01), Horsley et al.
patent: 3761546 (1973-09-01), Wilhelm et al.
patent: 3930787 (1976-01-01), DeHollander et al.

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