The paper proposes a novel 4-quarter probe for Eddy Current (EC) nondestructive testing on conductive materials. The innovative aspect consists of the possibility to detect small superficial and buried defects with arbitrary orientation. The EC induced in the conductive plate is rotated by means of an amplitude modulation of two currents that generate two orthogonal magnetic fields in order to obtain a suitable detection of arbitrary oriented cracks. The probe performance is evaluated by means of Finite Element Analysis in the simulation environment of the software COMSOL Multiphysics. The goodness of the proposed probe was analyzed considering a defect with a length of 5 mm, height of 1 mm and thickness of 0.1 mm, positioned at different depths in an aluminum plate, showing good detection capabilities.

A Novel multi-excitation ECT probe for deep defects with any orientation / Carere, Federico; Bernieri, Andrea; Ferrigno, Luigi; Laracca, Marco; Sangiovanni, Silvia. - (2023), pp. 519-524. (Intervento presentato al convegno 2023 IEEE 10th International Workshop on Metrology for AeroSpace (MetroAeroSpace) tenutosi a Milan; Italy) [10.1109/MetroAeroSpace57412.2023.10189952].

A Novel multi-excitation ECT probe for deep defects with any orientation

Carere, Federico
;
Laracca, Marco;Sangiovanni, Silvia
2023

Abstract

The paper proposes a novel 4-quarter probe for Eddy Current (EC) nondestructive testing on conductive materials. The innovative aspect consists of the possibility to detect small superficial and buried defects with arbitrary orientation. The EC induced in the conductive plate is rotated by means of an amplitude modulation of two currents that generate two orthogonal magnetic fields in order to obtain a suitable detection of arbitrary oriented cracks. The probe performance is evaluated by means of Finite Element Analysis in the simulation environment of the software COMSOL Multiphysics. The goodness of the proposed probe was analyzed considering a defect with a length of 5 mm, height of 1 mm and thickness of 0.1 mm, positioned at different depths in an aluminum plate, showing good detection capabilities.
2023
2023 IEEE 10th International Workshop on Metrology for AeroSpace (MetroAeroSpace)
eddy current testing; rotating magnetic field; rotating eddy current; finite element method; any orientation defect
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
A Novel multi-excitation ECT probe for deep defects with any orientation / Carere, Federico; Bernieri, Andrea; Ferrigno, Luigi; Laracca, Marco; Sangiovanni, Silvia. - (2023), pp. 519-524. (Intervento presentato al convegno 2023 IEEE 10th International Workshop on Metrology for AeroSpace (MetroAeroSpace) tenutosi a Milan; Italy) [10.1109/MetroAeroSpace57412.2023.10189952].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1695776
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