STP570

    Spectral Effects in Neutron and Charged Particle Irradiations

    Published: Jan 1975


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    Abstract

    This paper addresses the problem of the dependence of radiation damage in metals on the type and energy of the incident particle. The calculation and use of displacement and point defect production as energy dependent measures of exposure are described. A brief review is given of the quasiempirical, energy dependent damage function approach to determining the damaging effectiveness of different neutron spectra; included is a summary of derived effective damage functions and their dependence on or contribution to an understanding of damage mechanisms. Lastly, swelling rates of Type 316 stainless steel irradiated by neutrons, nickel ions, protons, and electrons are shown to correlate qualitatively with mobile vacancy production rates as deduced from computer modeling.

    Keywords:

    radiation, irradiation, radiation damage, nuclear reactors, fast neutrons, protons, ions, electrons, stainless steels, swelling, voids, simulation


    Author Information:

    Doran, DG
    Fellow, advanced scientist, and fellow, Hanford Engineering Development Laboratory, Westinghouse Hanford Company, Richland, Wash.

    Simons, RL
    Fellow, advanced scientist, and fellow, Hanford Engineering Development Laboratory, Westinghouse Hanford Company, Richland, Wash.

    McElroy, WN
    Fellow, advanced scientist, and fellow, Hanford Engineering Development Laboratory, Westinghouse Hanford Company, Richland, Wash.


    Paper ID: STP33693S

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP33693S


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