NDT.net - June 2000, Vol. 5 No. 06

Experimental Enhancements of LLW Dispersion Data Acquisition and Implementation Challenges to NDE of Composites

Yoseph Bar-Cohen
Shyh-Shiuh Lih
Jet Propulsion Laboratory, Caltech, MS 82-105, 4800 Oak Grove Dr., Pasadena, CA 91109-8099
818-394-2610, fax 818-393-4057
Corresponding Author Contact:
Email: yosi@jpl.nasa.gov, Web: http://ndeaa.jpl.nasa.gov




Leaky Lamp Wave Phenomenon

Rapid LLW Dispersion Data Acquisition

Optimal Adjustment of Transducers' Height

Dispersion Curve with Enhanced mode Identification

Issues Affecting the Transition of LLW to Practical Use




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  8. Mal, A. K., and Y. Bar-Cohen, "Ultrasonic Characterization of Composite Laminates," Proceedings of the Joint ASME and SE meeting, AMD-Vol. 90, A. K. Mal and T.C.T. Ting (Eds.), ASME, NY, (1988), pp. 1-16.
  9. Mal, A. K., C. -C. Yin, and Y. Bar-Cohen, "Ultrasonic NDE of Cracked Composite Laminates," Composites Engineering, Pergamon Press, Vol. 1, No. 2, (1991), pp. 85-101.
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