DocumentCode
1515398
Title
Crack detection and recognition using an eddy current differential probe
Author
Chady, T. ; Enokizono, M. ; Sikora, R.
Author_Institution
Fac. of Eng., Oita Univ., Japan
Volume
35
Issue
3
fYear
1999
fDate
5/1/1999 12:00:00 AM
Firstpage
1849
Lastpage
1852
Abstract
This paper proposes a new eddy current differential sensor and a system for multi-frequency testing of conducting plates. Precise crack imaging was achieved by the use of spectrograms obtained from an eddy-current probe multi-frequency response and application of a neural network. Results of experiments with test specimens made of SUS304 showing very good sensitivity and spatial resolution are presented. The possibility of detection of an opposite side 20% crack was also confirmed
Keywords
crack detection; eddy current testing; image recognition; mechanical engineering computing; neural nets; SUS304; conducting plates; crack detection; crack recognition; eddy current differential probe; eddy current testing; flaw reconstruction; multi-frequency response; multi-frequency testing; neural network; opposite side 20% crack detection; precise crack imaging; sensitivity; spatial resolution; Coils; Eddy current testing; Eddy currents; IIR filters; Neural networks; Probes; Sensor systems; Signal processing; Signal processing algorithms; Spectrogram;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/20.767393
Filename
767393
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