STP338

    Effect of Stress State on High-Temperature Low-Cycle Fatigue

    Published: Jan 1963


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    Abstract

    A study of the behavior of Inconel at 1500 F under realistic dynamic stress states has been made to evaluate critically the present criteria used to solve low-cycle fatigue problems and to demonstrate their applicability for the more complex situations. The relative agreement between the static complex stress-creep-rupture results and the low-cycle fatigue data is demonstrated. From the relationships developed for static complex stress-creep-rupture data, it is shown that the magnitudes of the effects of stress state and frequency on low-cycle fatigue can be determined.


    Author Information:

    Kennedy, C. R.
    operated for the U. S. Atomic Energy Commission by the Union Carbide Corp., Oak Ridge National Laboratory, Oak Ridge, Tenn.


    Paper ID: STP44462S

    Committee/Subcommittee: E08.06

    DOI: 10.1520/STP44462S


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