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Temperature-dependent modelling of magnetic ageing of FeSi electrical steels

Article dans une revue avec comité de lecture
Auteur
HELBLING, H.
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
TOTO JAMIL, Meryeme
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
ccDUMONT, Myriam
211915 Mechanics surfaces and materials processing [MSMP]
BENABOU, Abdelkader
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
ccCLENET, Stephane
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

URI
http://hdl.handle.net/10985/23007
DOI
10.1016/j.jmmm.2022.170051
Date
2022-12
Journal
Journal of Magnetism and Magnetic Materials

Résumé

This paper deals with the temperature-dependent modelling of iron losses in the context of magnetic ageing of electricals steel used in high power electrical machines. First, two electrical steel sheet grades were heat treated at three temperatures in order to study the ageing effect evolution as a function of temperature. Results show a significant increase in iron losses for both steel grades. Then, considering the link between the macroscopic magnetic properties evolution (effect) and the microscopic precipitation (cause), the Johnson – Mehl – Avrami – Kolmogorov (JMAK) law describing the kinetics of precipitation was applied to model the time evolution of magnetic ageing. By coupling this model with the Arrhenius’ law, a model is developed to be able to predict the ageing for several temperature levels.

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Cette publication figure dans le(s) laboratoire(s) suivant(s)

  • Laboratoire d'Electrotechnique et d'Electronique de Puissance (L2EP) de Lille
  • Laboratoire Mechanics, Surfaces and Materials Processing (MSMP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Application of the JMAK precipitation law in iron loss modelling to account for magnetic ageing effect 
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