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Book: Studies in Applied Electromagnetics and Mechanics 14, Electromagnetic Nondestructive Evaluation (II), Editors: R. Albanese, G. Rubinacci, T. Takagi and S.S. Udpa, IOS Press, Amsterdam (1998), ISBN: 90-5199-375-7, pp.146-151

IMPROVEMENT OF ECT PROBES BASED ON FLUXSET TYPE MAGNETIC FIELD SENSOR

Antal Gasparics(a) Csaba S. Daróczi(a), Gábor Vértesy(a), József Pávó(b)

(a) Research Institute for Materials Science, H-1525 Budapest, P.O. Box 49, Hungary
(b) Department of Electromagnetic Theory, Technical University of Budapest, H-1521 Budapest, Egry J. u. 18., Hungary

In this paper the results of the developments of fluxset based NDT ECT applications is presented. New geometry of fluxset sensor developed for increasing the operational frequency and the measurement frequency in ECT applications. For the improved sensor a new measuring electronics and digital data processing are developed based on a new operational principle. A novel measuring ECT head is examined, and the experimental results are presented.

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