STP570

    Radiation Damage and Fatigue Evaluation of Reactor End Fittings

    Published: Jan 1975


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    Abstract

    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.

    Keywords:

    radiation, fracture properties, stresses, radiation effects


    Author Information:

    Mukherjee, B
    Engineer, Fracture Mechanics, Hydro Research, Toronto, Ontario


    Paper ID: STP33682S

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP33682S


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