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Structural chemistry of solid solutions in the UO/sub 2/-Gd/sub 2/O/sub 3/ system

Journal Article · · Nucl. Technol.; (United States)
OSTI ID:5472936
;
The percent theoretical density, lattice parameter, oxygen-to-uranium ratio, and thermal conductivity of UO/sub 2/-Gd/sub 2/O/sub 3/ burnable absorber fuel pellets were analyzed in terms of the structural chemistry of the cubic fluorite lattice and the chemical behavior of various uranium cations. The sinterability of gadolinia-containing fuel pellets enabled an interpretation to be made of the possible structural models adopted in the system, depending on the sintering conditions.
Research Organization:
Westinghouse Research and Development Center, Nuclear Materials Dept., 1310 Beulah Road, Pittsburgh, PA 15235
OSTI ID:
5472936
Journal Information:
Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 73:3; ISSN NUTYB
Country of Publication:
United States
Language:
English

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Related Subjects

050700* -- Nuclear Fuels-- Fuels Production & Properties
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
ACTINIDE COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
BURNABLE POISONS
CALCIUM COMPOUNDS
CALCIUM FLUORIDES
CALCIUM HALIDES
CHALCOGENIDES
DENSITY
DISPERSIONS
ELEMENTS
FABRICATION
FLUORIDES
FLUORINE COMPOUNDS
FLUORITE
FUEL PELLETS
GADOLINIUM COMPOUNDS
GADOLINIUM OXIDES
HALIDE MINERALS
HALIDES
HALOGEN COMPOUNDS
LATTICE PARAMETERS
MATERIALS
MINERALS
MIXTURES
NEUTRON ABSORBERS
NONMETALS
NUCLEAR POISONS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PELLETS
PHYSICAL PROPERTIES
QUANTITY RATIO
RARE EARTH COMPOUNDS
REACTOR MATERIALS
SINTERING
SOLID SOLUTIONS
SOLUTIONS
STRUCTURAL CHEMICAL ANALYSIS
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES