STP426: Creep of Annealed Type 304 Stainless Steel During Irradiation and Its Engineering Significance

    Williams, J. A.
    Engineers, Battelle Memorial Institute, Richland, Wash

    Carter, J. W.
    Engineers, Battelle Memorial Institute, Richland, Wash

    Pages: 12    Published: Jan 1967


    Abstract

    Annealed Type 304 stainless steel creep properties during neutron irradiation have been determined in the temperature range of 500 to 750 C and in the stress range of 10,000 to 30,000 psi. The minimum creep rates determined for creep during irradiation are essentially the same as those for unirradiated annealed Type 304 stainless steel. Creep rates are correlatable with the Arrhenius equation and the Larson-Miller parameter. Although little difference in creep rates was observed, significant reductions in creep-rupture time and creep-strain were observed. The data lend itself to parametric correlations of rupture time. In-reactor and ex-reactor creep-rupture strains are found to have different temperature dependence.

    Keywords:

    creep, steels, stainless steels, irradiation, radiation effects, neutrons, Arrhenius equation, Larson-Miller parameter, creep-rupture, high temperature, ductility, activation energy


    Paper ID: STP41322S

    Committee/Subcommittee: E10.07

    DOI: 10.1520/STP41322S


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