The Cantilever Beam Method for Simulating Irradiation Creep and Growth

    Published: Jan 1990

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    The deflection of zirconium alloy cantilever beam specimens during irradiation with 100 keV neon ions can be correlated with creep and growth measurements performed on neutron irradiated specimens. The deflection of these cantilever beam specimens is measured by noting the shift in position of a laser beam reflected from a mirror attached to the free end of each specimen. The apparatus and method developed to make deflection measurements on specimens at elevated temperatures under vacuum in the target chamber of a mass separator is described. The physics of the technique is also described and applied to deflection versus ion fluence data obtained from flux cycling experiments on cold-worked and stress-relieved Zr-2.5 wt% Nb.


    neutron irradiation, ion simulation, irradiation growth, irradiation creep, flux cycling, cantilever beams, bending, zirconium alloys

    Author Information:

    Parsons, John R.
    Chalk River Nuclear Laboratories, Chalk River, Ontario

    Hoelke, Carl W.
    Chalk River Nuclear Laboratories, Chalk River, Ontario

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP49476S

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