Abstract
A magnetostrictive sonar transducer operating at 1350 Hz is described. The device is a small double-ended piston containing three terfenoi rods in independent magnetic circuits. The paper presents detailed aspects of the design and a summary of test results. An important observation is the effect of heat on terfenoi, which causes changes in elastic modulus and hence resonant frequency. Experience with this device allows a course to be set for future studies, both into material properties and associated transducer designs.
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References
K.C.Pitman, A.Branwood, and A.R.Pierce, “Device Oriented Measurements of Terfenol Materials,” Proceedings of Second International Conference on Giant Magnetrostrictive and Amorphous Alloys for Sensors and Actuators. October 1988.
Mu-metal Alloys Publication TP11–576, Telecon Metals Ltd, Crawley, Sussex.
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© 1991 Springer-Verlag Berlin Heidelberg
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Steel, G.A., Oswin, J.R. (1991). A Magnetostrictive Transducer Design. In: Hamonic, B.F., Decarpigny, JN., Wilson, O.B. (eds) Power Transducers for Sonics and Ultrasonics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76271-0_13
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DOI: https://doi.org/10.1007/978-3-642-76271-0_13
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-76273-4
Online ISBN: 978-3-642-76271-0
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