Electromagnetic Ultrasonic Transducers

  • T. J. Moran
Conference paper
Part of the Sagamore Army Materials Research Conference Proceedings book series (SAMC, volume 23)


Direct electromagnetic generation is a relatively recent addition to the list of techniques available for the generation of ultrasonic waves for nondestructive evaluation purposes. The history and physics of the generation technique will be discussed. In addition, transducer designs for the generation of various types of sound waves (longitudinal, shear and surface) will be presented. In particular, surface wave transducer designs will be shown to be very similar to those used in piezoelectric SAW devices. This similarity has been exploited to obtain EM transducers with signal processing capabilities similar to the piezoelectric devices. Other applications of these devices as well as possible directions of future research efforts will be discussed.


Rayleigh Wave Surface Acoustic Wave Static Magnetic Field Piezoelectric Transducer Bulk Wave 
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Copyright information

© Plenum Press, New York 1979

Authors and Affiliations

  • T. J. Moran
    • 1
  1. 1.Air Force Materials LaboratoryWright-Patterson AFBUSA

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