Graphite disk UO/sub 2/ fuel elements designed for extended burnups at high powers
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:5962943
Zircaloy-clad fuel elements containing UO/sub 2/ pellets separated by thin graphite disks have been irradiated to maximum burnups of 800 MWh/kg U (33 000 MWd/tonne U) at a linear power range of 30 to 70 kW/m. Fission gas release and sheath strains were lower than experienced for conventional fuel under comparable conditions because of the lower bulk average fuel temperatures in disk elements. The irradiated disk elements also showed good internal stability, tolerance to power ramping, and acceptable defect behavior.
- Research Organization:
- Atomic Energy of Canada Limited - Research Company,
- OSTI ID:
- 5962943
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 71:2; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220200* -- Nuclear Reactor Technology-- Components & Accessories
ACTINIDE COMPOUNDS
ALLOYS
BURNUP
CARBON
CHALCOGENIDES
ELEMENTAL MINERALS
ELEMENTS
FISSION PRODUCT RELEASE
FUEL ELEMENTS
FUEL PELLETS
FUEL-CLADDING INTERACTIONS
GRAPHITE
IRRADIATION
MATERIALS TESTING
MINERALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PELLETS
PERFORMANCE
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
REACTOR COMPONENTS
SPACERS
STRAINS
TESTING
TIN ALLOYS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS
220200* -- Nuclear Reactor Technology-- Components & Accessories
ACTINIDE COMPOUNDS
ALLOYS
BURNUP
CARBON
CHALCOGENIDES
ELEMENTAL MINERALS
ELEMENTS
FISSION PRODUCT RELEASE
FUEL ELEMENTS
FUEL PELLETS
FUEL-CLADDING INTERACTIONS
GRAPHITE
IRRADIATION
MATERIALS TESTING
MINERALS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PELLETS
PERFORMANCE
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
REACTOR COMPONENTS
SPACERS
STRAINS
TESTING
TIN ALLOYS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS