STP520

    Low-Cycle Fatigue with Combined Thermal and Strain Cycling

    Published: Jan 1973


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    Abstract

    Test data are reported for both isothermal and nonisothermal strain cycling of a nickel-base superalloy in the temperature range from 1100 to 1700 F. The mechanical strain range for all tests was held constant while the mean strain, holdtime, and thermal cycling was varied. The results are discussed in terms of energy criterion for fatigue life.

    Keywords:

    fatigue (materials), isothermal treatment, superalloys, nickel containing alloys, thermal cycling tests, fatigue life, strain tests


    Author Information:

    Lindholm, US
    Director and senior research engineer, Southwest Research Institute, San Antonio, Tex.

    Davidson, DL
    Director and senior research engineer, Southwest Research Institute, San Antonio, Tex.


    Paper ID: STP38863S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP38863S


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