SYMPOSIA PAPER Published: 01 January 1975
STP33682S

Radiation Damage and Fatigue Evaluation of Reactor End Fittings

Source

Linear elastic fracture mechanics has been used to perform a fatigue evaluation of a Canadian Deuterium Uranium (CANDU) reactor end fitting. An initial hypothetical flaw shape was assumed at a critical part of the end fitting. The effect of residual stress on the fatigue crack growth was accounted for through a growth rate model which had both range of stress intensity and maximum stress intensity as its parameters. The analysis showed that the fatigue crack growth during the estimated life of a reactor is so small that it is nearly negligible.

Author Information

Mukherjee, B
Fracture Mechanics, Hydro Research, Toronto, Ontario, Canada
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Details
Developed by Committee: E10
Pages: 117–125
DOI: 10.1520/STP33682S
ISBN-EB: 978-0-8031-4653-2
ISBN-13: 978-0-8031-0539-3