Volume 2, Issue 2 (February 2005)

    Creep-Fatigue Behavior in High Strength Copper Alloys

    (Received 11 June 2004; accepted 11 October 2004)

    Published Online: 2005

    CODEN: JAIOAD

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    Abstract

    Copper alloys are found to experience a stress relaxation during holds at maximum tension and maximum compression during cyclic loading patterns. This stress relaxation response has an effect on fatigue life by reducing the numbers of cycles to failure, particularly in the high cycle fatigue, long life regime. The stress relaxation behavior is found even for room temperature loading conditions, well below the temperature regime normally associated with creep and stress relaxation. It is suggested that the creep and stress relaxation deformation modes during hold periods is predominantly through primary creep process.


    Author Information:

    Li, M
    Postdoctoral Research Associate, Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, TN

    Stubbins, JF
    Professor and Head, Plasma and Radiological Engineering, University of Illinois at Urbana-Champaign, 214 Nuclear Engineering Laboratory, Urbana, IL


    Stock #: JAI12380

    ISSN: 1546-962X

    DOI: 10.1520/JAI12380

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    Author
    Title Creep-Fatigue Behavior in High Strength Copper Alloys
    Symposium Effects of Radiation on Materials: 22nd International Symposium, 2004-06-10
    Committee E10