Contribution to Nondestructive Testing Study Using Lorentz Force

The Lorentz force is a new technique used recently for nondestructive testing (NDT) of conducting materials. Several scientific works have focused on the use of Lorentz force generated by translation motion. In our study, we propose an analysis of defects using Lorentz force in the case of rotation...

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Bibliographic Details
Published inRussian journal of nondestructive testing Vol. 57; no. 9; pp. 814 - 822
Main Authors Cherifi, L., Kansab, A., Zaoui, A., Feliachi, M.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2021
Springer Nature B.V
MAIK Nauka/Interperiodica
Subjects
Aluminum
Characterization and Evaluation of Materials
Chemistry and Materials Science
Current distribution
Electromagnetic Methods
Electromagnetism
Engineering Sciences
Finite element method
Lorentz force
Materials Science
Metal sheets
Nondestructive testing
Permanent magnets
Structural Materials
Torque
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Summary:The Lorentz force is a new technique used recently for nondestructive testing (NDT) of conducting materials. Several scientific works have focused on the use of Lorentz force generated by translation motion. In our study, we propose an analysis of defects using Lorentz force in the case of rotation motion. Our method is based on a rotational relative motion between an aluminum sheet and a permanent magnet. The tested object is subject to a torque due to Lorentz force. The presence of a defect disturbs the measured torque. We suggest a calculus of this torque using a voluminal discretization of the specimen using current distribution adjacent to the defect. The result will be compared to a finite element simulation using the COMSOL software.
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ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830921090035