Volume 35, Issue 4 (July 2007)

    Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils

    (Received 5 March 2006; accepted 17 January 2007)

    Published Online: 2007

    CODEN: JTEOAD

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    Abstract

    Details are provided for a new experimental approach to study the fully-reversed strain controlled low-cycle fatigue (LCF) behavior of thin metallic foils. To illustrate the technique the fatigue life of an Ni-base superalloy foil was studied at room temperature and 500°C. The fatigue tests were performed at a loading frequency of 2.2 Hz. For a strain amplitude of 1.5 % the fatigue life ranged from 649 and 754 cycles at room temperature and between 227 and 340 cycles at 500°C. In addition to metallic foils, the technique can be used to study the fully-reversed bending of other materials such as optical fibers.


    Author Information:

    Yang, D.

    Composites and Advanced Materials Engineering Laboratory, Georgia Institute of Technology, School of Aerospace Engineering, Atlanta,

    Holmes, J. W.
    Composites and Advanced Materials Engineering Laboratory, Georgia Institute of Technology, School of Aerospace Engineering, Atlanta,


    Stock #: JTE100524

    ISSN: 0090-3973

    DOI: 10.1520/JTE100524

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    Author
    Title Experimental Technique for Fully-Reversedqa Low-Cycle Fatigue Testing of Thin Metallic Foils
    Symposium , 0000-00-00
    Committee E08