Identification of crack depths from eddy current testing signal

Identification of crack depths from eddy current testing signal

This paper demonstrates the identification of crack depths using signals obtained from eddy current testing (ECT). The identification method is based on finite elements with the pre-computed unflawed database approach and a meshless crack representation technique, and parameter estimation in nonline...

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Veröffentlicht in:IEEE transactions on magnetics 1998-09, Vol.34 (5), p.2893-2896
Hauptverfasser: Fukutomi, H., Huang, H., Takagi, T., Tani, J.
Format: Artikel
Sprache:eng
Schlagworte:
Cross-disciplinary physics: materials science
rheology
Eddy current testing
Eddy currents
Electrical capacitance tomography
Exact sciences and technology
Finite element methods
Integral equations
Laboratories
Magnetic domains
Magnetic materials
Materials science
Materials testing
Nondestructive testing: electromagnetic testing, eddy-current testing
Physics
Signal processing
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Beschreibung
Zusammenfassung:This paper demonstrates the identification of crack depths using signals obtained from eddy current testing (ECT). The identification method is based on finite elements with the pre-computed unflawed database approach and a meshless crack representation technique, and parameter estimation in nonlinear problems. Four different cracks are estimated by using laboratory data.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.717674