Abstract
The compressional-wave ultrasonic transducer is the heart of ultrasonic NDE inspection systems. New piezoelectric ceramics, have been developed with very high electromechanical coupling (kt>70%) and have been used for transmission and reception of ultrasonic waves. This paper discusses ways to improve the signal-to-noise ratio (i.e. efficiency) of >30 MHz transducers (i.e. selection of materials, selection of diameter etc.) Application of the transducers developed to inspect creep-failed siliconized-SiC ceramics are discussed.
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N.D. Patel, J. Van den Andel, and P.S. Nicholson, Review of Progress in Quantitative Nondestructive Evaluation, edited by D.O. Thompson and D.E Chimenti (Plenum Press, New York, 1987), pp. 663–670.
N.D. Patel, A. Gryzmek and P.S. Nicholson, to be published.
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© 1989 Springer Science+Business Media New York
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Patel, N.D., Nicholson, P.S. (1989). High Efficiency-High Frequency Transducers for Ceramic Inspection. In: Thompson, D.O., Chimenti, D.E. (eds) Review of Progress in Quantitative Nondestructive Evaluation. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0817-1_109
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DOI: https://doi.org/10.1007/978-1-4613-0817-1_109
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4612-8097-2
Online ISBN: 978-1-4613-0817-1
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