STP520

    Low-Cycle Fatigue Behavior of Zircaloy at 573 K

    Published: Jan 1973


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    Abstract

    The 573 K low-cycle fatigue behavior of Zircaloy-2 in various metallurgical states has been studied. Reduction in area as measured in tension tests was found to be a good parameter in determining fatigue life. Holdtimes in tension of 1 h or less did not affect the fatigue life but one of 5 h reduced it. An atmosphere containing iodine reduces the fatigue life under the conditions tested by 40 percent.

    Keywords:

    fatigue (materials), zircaloys, nuclear reactors, fatigue life, fatigue tests, iodine


    Author Information:

    Hosbons, RR
    Research engineer, Chalk River Nuclear Laboratories, Atomic Energy of Canada, Ltd., Chalk River, Ont.


    Paper ID: STP38864S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP38864S


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