Magnetic Hysteresis Cycle Measurements With a New Needle Probe Setup

Different magnetic needle probe setups are presented, and their strengths and weaknesses are investigated. A new configuration, combining the advantages of the other setups, is presented. Finite element (FE) simulations are implemented to explore the effect of the excitation yokes and residual stres...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2025, Vol.74, p.1-11
Main Authors: Fagan, Patrick, Abderahmane, Abdellahi, Domenjoud, Mathieu, Daniel, Laurent
Format: Article
Language:English
Subjects:
Coils
Induction measurement
Magnetic field measurement
Magnetic flux
Magnetic hysteresis
material characterization
Measurement uncertainty
Needles
nondestructive testing
Probes
Surface impedance
Voltage measurement
Wrapping
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Description
Summary:Different magnetic needle probe setups are presented, and their strengths and weaknesses are investigated. A new configuration, combining the advantages of the other setups, is presented. Finite element (FE) simulations are implemented to explore the effect of the excitation yokes and residual stresses on the magnetic flux symmetry. The error sources affecting the accuracy of the experimental measurements are analyzed and quantified. Solutions to minimize these errors are also proposed. By minimizing error sources, the obtained experimental measurements closely follow the reference hysteresis loop obtained from a wrapping coil in the unidirectional case. The proposed measurement device notably provides enhanced accuracy for surface measurements when wrapping coils are not implementable.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2024.3502799