SYMPOSIA PAPER Published: 01 January 1994

Irradiation Creep due to SIPA Under Cascade Damage Conditions


This paper derives the relationships between void swelling and irradiation creep due to SIPA and SIG under cascade damage conditions in an irradiated pressurized tube. It is found that at low swelling rates irradiation creep is a major contribution to the total diametral strain rate of the tube, whereas at high swelling rate the creep becomes a minor contribution. The anisotropy of the corresponding dislocation structure is also predicted to decline as the swelling rate increases. The theoretical predictions are found to agree very well with experimental results.

Author Information

Woo, CH
Reactor Materials Research Branch, Whiteshell Laboratories, Pinawa, Manitoba, Canada
Garner, FA
Pacific Northwest Laboratory, Richland, WA, U.S.A.
Holt, RA
Reactor Materials Research Branch, Chalk River Laboratories, Chalk River, Ontario, Canada
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Developed by Committee: E10
Pages: 27–37
DOI: 10.1520/STP23925S
ISBN-EB: 978-0-8031-5262-5
ISBN-13: 978-0-8031-1488-3