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    The Effect of Frequency upon the Fatigue-Crack Growth of Type 304 Stainless Steel at 1000 F

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    The fatigue-crack growth rate of Type 304 stainless steel was studied at 1000 F with cyclic frequencies ranging over approximately 4 1/2 orders of magnitude. It was found that as frequency decreased, the fatigue-crack growth rate showed a significant increase, and the behavior could be characterized by an equation of the form da/dN = A(f)K]n, where the exponent n represents a constant for all of the frequencies studies.


    fatigue (materials), crack propagation, frequency, stresses, cracks, stress ratio, analytic geometries, stainless steels

    Author Information:

    James, LA
    Senior research engineer, Westinghouse Hanford Co., Richland, Wash.

    Committee/Subcommittee: E08.06

    DOI: 10.1520/STP34122S