Inductive Probe for Flaw Detection in non-Magnetic Metallic Plates Using Eddy Currents

This paper describes the design of an inductive sensor and its application to detect the presence of structural flaws inside electrically conducting nonmagnetic plates. The principle of operation is based on the measurement of the induced voltages in two sensing coils. These voltages are related to...

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Bibliographic Details
Published in2008 IEEE Instrumentation and Measurement Technology Conference pp. 1447 - 1451
Main Authors Ribeiro, A.L., Ramos, H.G.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2008
Subjects
Calibration
Coils
Conducting materials
Eddy currents
Electromagnetic non-destructive evaluation
Frequency
inductive sensors
Magnetic materials
Magnetic sensors
Probes
Shape
Voltage
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ISBN9781424415403
1424415403
ISSN1091-5281
DOI10.1109/IMTC.2008.4547270

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Summary:This paper describes the design of an inductive sensor and its application to detect the presence of structural flaws inside electrically conducting nonmagnetic plates. The principle of operation is based on the measurement of the induced voltages in two sensing coils. These voltages are related to the eddy currents that are generated inside the plates with perturbations due to the electrical conductivity inhomogeneities. The modeling work aims at determining the optimum operating frequencies and the resulting signal magnitudes.
ISBN:9781424415403
1424415403
ISSN:1091-5281
DOI:10.1109/IMTC.2008.4547270