SYMPOSIA PAPER Published: 01 January 1982
STP37051S

Clad Failure Modeling

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The pellet-clad interaction phenomenon is the dominant present-day failure cause in Zirconium-clad uranium oxide fuel. A recently developed theory for this phenomenon is embodied in the SPEAR computer program. SPEAR's prediction of fuel failure is rooted both in mechanistic theory and in a large base of observational data. The prediction is found to be of high accuracy notwithstanding limitations in the accuracy of the mechanistic theory and the scope of the observational data base.

Author Information

Ballinger, R
Entropy Limited, Lincoln, Mass.
Christensen, R
Entropy Limited, Lincoln, Mass.
Eilbert, R
Entropy Limited, Lincoln, Mass.
Oldberg, S
Electric Power Research Institute, Palo Alto, Calif.
Rumble, E
Science Applications Inc., Palo Alto, Calif.
Was, G
University of Michigan, Ann Arbor, Mich.
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Details
Developed by Committee: B10
Pages: 129–145
DOI: 10.1520/STP37051S
ISBN-EB: 978-0-8031-4823-9
ISBN-13: 978-0-8031-0754-0