Volume 1, Issue 10 (November 2004)

    Load History in Fatigue: Effect of Strain Amplitude and Loading Path

    (Received 30 April 2002; accepted 4 March 2003)

    Published Online: 2004

    CODEN: JAIOAD

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    Abstract

    The low-cycle fatigue behavior of a duplex stainless steel, 60% α - 40 % γ, is studied under tension-compression/torsion loading at room temperature and under strain control. It is shown that the duplex stainless steel has an isotropic behavior under cyclic proportional loading. The loading path induces an extra-hardening on cyclic hardening of duplex stainless steel but lower than that on austenitic stainless steels. The effect of loading history is studied in terms of strain amplitude, mean strain, and loading path. It is shown that only histories in strain amplitude and loading path have an effect on the stabilized stress.


    Author Information:

    Aubin, V
    Assistant Professors, and Professor, Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq Cedex,

    Quaegebeur, P
    Assistant Professors, and Professor, Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq Cedex,

    Degallaix, S
    Assistant Professors, and Professor, Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq Cedex,


    Stock #: JAI19066

    ISSN: 1546-962X

    DOI: 10.1520/JAI19066

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    Author
    Title Load History in Fatigue: Effect of Strain Amplitude and Loading Path
    Symposium Fatigue Testing and Analysis Under Variable Amplitude Loading Conditions, 2002-05-31
    Committee E08