NDLI: Multi-frequency ECT method for defect depth estimation

Content Provider	IEEE Xplore Digital Library
Author	Bernieri, A. Betta, G. Ferrigno, L. Laracca, M.
Copyright Year	2012
Description	Author affiliation: Dept. of Automation Electromagnetism Information Engineering and Industrial Mathematics, University of Cassino, Cassino (FR), Italy (Bernieri, A.; Betta, G.; Ferrigno, L.; Laracca, M.)
Abstract	Scientific research on non-destructive testing is constantly looking for new solutions, about sensors and digital signal processing techniques, to improve the detection and characterization of defects in materials. The authors have engaged this particular line of research with particular reference to non-destructive testing applied to the conductive material through the use of eddy currents. After the realization of a novel instrument based on a Giant Magneto-Resistance probe, in this paper they propose the use of a suitable multi-frequency approach to improve reliability and accuracy in the defect estimation. Key features of the proposed instrument are the capability to detect, locate, and characterize thin defects as superficial and sub-superficial cracks. A number of tests carried out both in simulation and real environments show the goodness of the proposal.
Starting Page	1
Ending Page	6
File Size	1321613
Page Count	6
File Format	PDF
ISBN	9781457717246
e-ISBN	9781457717253
DOI	10.1109/SAS.2012.6166304
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-02-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils defect depth estimation GMR sensor Materials Skin Magnetic fields Probes Eddy currents multifrequency eddy current testing
Content Type	Text
Resource Type	Article

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