Volume 31, Issue 2 (March 2003)

    Fatigue-Creep Dynamic Strain Rate Map of a Fe-Ni-Cr Alloy with Coarse Branch Crystals

    (Received 26 April 2002; accepted 15 October 2002)

    CODEN: JTEOAD

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    Abstract

    The effect of branch crystals on fatigue-creep deformation behavior of a Fe-Ni-Cr casting alloy has been studied. The different orientations between the branch crystal boundaries and the loading axis played an important role in inducing the deformation process. The fatigue-creep dynamic strain rate curves could be classified into three interaction regions according to the differing stress dependence of the fatigue creep strain rate. A new characteristic strain rate map with three fatigue-creep interaction regions of a Fe-Ni-Cr casting alloy with different branch crystal orientations has been established to provide full information on deformation under a wide range of combinations of fatigue and creep stresses.


    Author Information:

    Fu, HQ
    Northern Jiaotong University, Beijing,

    Liang, CG
    Research Institute of Metal, University of Science and Technology Beijing, Beijing,

    Hua, ZS
    Research Institute of Metal, University of Science and Technology Beijing, Beijing,


    Stock #: JTE12415J

    ISSN: 0090-3973

    DOI: 10.1520/JTE12415J

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    Author
    Title Fatigue-Creep Dynamic Strain Rate Map of a Fe-Ni-Cr Alloy with Coarse Branch Crystals
    Symposium , 0000-00-00
    Committee E08