Defect detection in conducting materials using eddy current testing techniques

Lorentz force eddy current testing (LET) is a novel nondestructive testing technique which can be applied preferably to the identification of internal defects in nonmagnetic moving conductors. The LET is compared (similar testing conditions) with the classical eddy current testing (ECT). Numerical F...

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Bibliographic Details
Published in:Serbian journal of electrical engineering 2014, Vol.11 (4), p.535-549
Main Authors: Brauer, Hartmut, Ziolkowski, Marek, Toepfer, Hannes
Format: Article
Language:English
Subjects:
eddy current testing
Lorentz force
Nondestructive evaluation
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Description
Summary:Lorentz force eddy current testing (LET) is a novel nondestructive testing technique which can be applied preferably to the identification of internal defects in nonmagnetic moving conductors. The LET is compared (similar testing conditions) with the classical eddy current testing (ECT). Numerical FEM simulations have been performed to analyze the measurements as well as the identification of internal defects in nonmagnetic conductors. The results are compared with measurements to test the feasibility of defect identification. Finally, the use of LET measurements to estimate of the electrical conductors under test are described as well. nema
ISSN:1451-4869
2217-7183
DOI:10.2298/SJEE1404535B