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    Volume 32, Issue 3

    Characteristics of Macrodeformation Behavior of the Cycling Failure Specimens of a Fe-Cr-Ni Alloy Under In-phase and Out-of-phase Thermomechanical Fatigue

    (Received 19 February 2003; accepted 16 December 2003)

    Published Online: 01 May 2004

    CODEN: JTEVAB

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    Abstract

    Characteristics of macrodeformation behavior of the cycling failure specimens of a Fe-Ni-Cr alloy were studied under in-phase and out-of-phase synchronization of thermal cycling with mechanical cycling. Varied hysteresis loops characterize different cycling hardening behavior under in-phase and out-of-phase thermomechanical fatigue (TMF). Out-of-phase caused stronger hardening and severe asymmetry of cycling stress leading to a shorter failure life. Meanwhile thermomechanical cycling weakening hardening behavior occurred in the higher temperature region in each cycling. Asymmetry of the configuration change of the specimen is evident under Out-of-phase.

    Author Information:

    He, Q

    Qian, Y
    Northern Jiaotong University, Beijing,


    Stock #: JTE11898

    ISSN:0090-3973

    DOI: 10.1520/JTE11898

    Author
    Title Characteristics of Macrodeformation Behavior of the Cycling Failure Specimens of a Fe-Cr-Ni Alloy Under In-phase and Out-of-phase Thermomechanical Fatigue
    Symposium ,
    Committee E28