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A Simple Electromagnetic Analysis of Magnetic NDE Using a Double Rectangular Coil an a Hall Effect Sensor

Author(s): Laroussi Bettaieb | Hamid Kokabi | Michel Poloujadoff

Journal: Advanced Electromagnetics
ISSN 2119-0275

Volume: 1;
Issue: 3;
Start page: 79;
Date: 2012;
Original page

Keywords: Hall Effect | Eddy current

In this paper a simple analysis and measurement in eddy current NDE are presented. A Hall probe is associated to a double Printed Circuit Board PCB. The configurations examined involve the coil in air and the coil above aluminum plates, either with or without cracks of various depths. The agreement between experimental and theoretical results is very good, showing that a very simple model accurately describes the electromagnetic fields.
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