Volume 6, Issue 4 (July 1978)

    Improvement of Sheet Metal Strength by Localized Thermal Shocks

    CODEN: JTEOAD

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    Abstract

    In two previous papers, the authors presented results of a new process of introducing beneficial residual stresses in a sheet metal strip containing a small circular hole by a single thermal shock applied over an annular region concentric with the hole. In this paper, it is shown that multiple thermal shocks over separate annular regions are considerably more advantageous in introducing such beneficial residual stresses in the same sheet metal and in permitting wider tolerances for such variables as locations, sizes of shock zones, and strengths of the shocks for desired degree of benefit.


    Author Information:

    Trasi, SR
    Research associate and professor, University of Manitoba, Winnipeg, Manitoba

    Hsu, TR
    Research associate and professor, University of Manitoba, Winnipeg, Manitoba


    Stock #: JTE10955J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10955J

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    Author
    Title Improvement of Sheet Metal Strength by Localized Thermal Shocks
    Symposium , 0000-00-00
    Committee E28