Volume 14, Issue 5 (September 1986)

    A Microcomputer-Based System for the High-Speed Compression Test by the Split Hopkinson Pressure Bar Technique

    (Received 14 January 1985; accepted 6 March 1986)

    CODEN: JTEOAD

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    Abstract

    A microcomputer-based system has been developed for the high-speed compression test by the split Hopkinson pressure bar technique. The present test system enables one to obtain reliable dynamic stress-strain data for materials for a very short period. The range of strain rates achieved by the test system is approximately 102 to 2 × 103 s−1 depending on the strength of the material and the impact velocity of a striker bar. The accuracy of the entire test system is checked directly by comparing the static and dynamic test results for a strain-rate insensitive material. Test results are presented for tough pitch copper and two aluminum alloys.


    Author Information:

    Yokoyama, T
    Research Associate and Professor, Osaka University, Suita, Osaka,

    Kishida, K
    Research Associate and Professor, Osaka University, Suita, Osaka,


    Stock #: JTE10335J

    ISSN: 0090-3973

    DOI: 10.1520/JTE10335J

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    Author
    Title A Microcomputer-Based System for the High-Speed Compression Test by the Split Hopkinson Pressure Bar Technique
    Symposium , 0000-00-00
    Committee D30