STP520

    Kinetic Deformation Criteria of Cyclic Fracture at High Temperature

    Published: Jan 1973


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    Abstract

    A strain range partitioning method for the analysis of failure by the interaction of creep and fatigue is proposed. A conception is made of the onesided deformation (mean strain) to account for part of the creep damage; the time (and temperature) dependent behavior of the strain to failure is used to modify the common low-temperature low-cycle fatigue equations. Data from 18Cr, 8Ni stainless steel are used as a basis for demonstrating the method. A conventional linear damage summation technique is used for comparison with the results of the proposed method.

    Keywords:

    fatigue (materials), cyclic loads, fatigue tests, creep rupture, strength, creep tests, failure, damage, stresses, strains


    Author Information:

    Serensen, SV
    Mechanical Engineering Research Institute, Moscow-Centre,

    Schneiderovitch, RM
    Mechanical Engineering Research Institute, Moscow-Centre,

    Gusenkov, AP
    Mechanical Engineering Research Institute, Moscow-Centre,


    Paper ID: STP38878S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP38878S


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