Fission gas swelling and long range migration at low temperatures (LWBR Development Program)
Technical Report
·
OSTI ID:6747176
Fission gas behavior at temperatures below approximately 1100/sup 0/C is assumed to consist of gas bubble nucleation and coalescence through random motion of the bubbles and then complete bubble destruction by subsequent fission events. A model is proposed describing the gas behavior based on a modified form of Van der Waal's gas law for very small bubbles. A bubble is assumed to move inversely to the cube of its radius. Long range migration of gas bubbles to grain boundaries is also predicted and the swelling due to gas motion in the grain boundaries is calculated. (NSA 30: 12017)
- Research Organization:
- Bettis Atomic Power Lab., Pittsburgh, PA (USA)
- OSTI ID:
- 6747176
- Report Number(s):
- WAPD-TM-1124
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210500* -- Power Reactors
Breeding
BREEDER REACTORS
BUBBLE GROWTH
CRYSTAL STRUCTURE
ELEMENTS
FISSION PRODUCT RELEASE
FUEL ELEMENTS
FUEL PELLETS
LWBR TYPE REACTORS
MICROSTRUCTURE
NONMETALS
PELLETS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RARE GASES
REACTOR COMPONENTS
REACTORS
SWELLING
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210500* -- Power Reactors
Breeding
BREEDER REACTORS
BUBBLE GROWTH
CRYSTAL STRUCTURE
ELEMENTS
FISSION PRODUCT RELEASE
FUEL ELEMENTS
FUEL PELLETS
LWBR TYPE REACTORS
MICROSTRUCTURE
NONMETALS
PELLETS
PHYSICAL RADIATION EFFECTS
RADIATION EFFECTS
RARE GASES
REACTOR COMPONENTS
REACTORS
SWELLING
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS