Volume 21, Issue 1 (January 1993)

    Time-Domain Ultrasonic NDE of the Wave Velocity of a Sub-Half-Wavelength Elastic Layer

    (Received 16 September 1991; accepted 21 January 1992)

    CODEN: JTEOAD

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    Abstract

    The purpose of this paper is to report a new technique for ultrasonic NDE of the wavespeed of a sub-half-wavelength layer (given its thickness) using only the time-domain information. The new technique was applied to aluminum plates with h λ ranging from 0.082 to 2.0 where h and λ are the plate thickness and the nominal wavelength, respectively. A satisfactory compatison between the measured values and the nominal value was observed.


    Author Information:

    Kinra, VK
    Professor and associate director, and associate research professor, Center for Mechanics of Composites, Department of Aerospace Engineering, Texas A & M University, College Station, TX

    Zhu, C
    Professor and associate director, and associate research professor, Center for Mechanics of Composites, Department of Aerospace Engineering, Texas A & M University, College Station, TX


    Stock #: JTE11738J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11738J

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    Author
    Title Time-Domain Ultrasonic NDE of the Wave Velocity of a Sub-Half-Wavelength Elastic Layer
    Symposium , 0000-00-00
    Committee E07