Influence of Biaxial Stress on Magnetic Behavior of Dual-Phase Steel - Experiments and Modeling
Résumé
Online magnetic NDE of DP steels is made on bands submitted to high multiaxial stress. Extraction of microstructural information from the measurement requires separating the effect of stress and microstructure. Coupled magneto-mechanical mi-cromagnetic modeling is relevant for that purpose. In this paper, magnetic behavior of DP steel under biaxial stress is carried out and compared to the modeling. It is shown that the discrepancies observed between experiments and model can be explained by the 2D assumption.
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