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This paper presents a modeling and experimental study using a multi-frequency electromagnetic (EM) sensor system, for non-destructive evaluation of rail decarburisation. The EM sensor is configured with a H-shaped ferrite core, which was excited with a multi-frequency waveform over the range of approximately 1–100kHz. Finite-element (FE) simulation was carried out to establish the link between the...
This paper presents a modeling and experimental study, based on a magnetic induction spectroscopy (MIS) technique, for non-destructive evaluation of rail decarburization. The inductive sensor contained an H-shaped ferrite core, which was excited with a multi-frequency waveform over the range of approximately 1 kHz to 100 kHz. Finite-element (FE) simulation was carried out to understand the link between...
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