A method of local magnetic loss determination in punched ferromagnetic strips

The paper deals with results of measurement and numerical modelling of temperature increases at ferromagnetic strip heated by induced currents. The temperature rises are analysed both for transient and steady state. The ferromagnetic material used was subjected to mechanical punching. In the paper i...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2014-04, Vol.355, p.282-288
Main Authors: Gmyrek, Z., Strąkowska, M., Więcek, B.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Fe and its alloys
Ferromagnetic material
Ferromagnetic materials
Ferromagnetism
Magnetic loss
Magnetic properties and materials
Magnetism
Mathematical models
Physics
Punching
Punching process
Steady state
Strip
Studies of specific magnetic materials
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Summary:The paper deals with results of measurement and numerical modelling of temperature increases at ferromagnetic strip heated by induced currents. The temperature rises are analysed both for transient and steady state. The ferromagnetic material used was subjected to mechanical punching. In the paper it is shown that magnetic losses at ferromagnetic material along the punched edge are several times larger than those in “green” material. •We model heating process of soft ferromagnetic material subjected for punching.•We examine changes in magnetic loss density distribution.•We report a magnetic loss density in damaged (punched) part of ferromagnetic material and compare it with density in non-destructed part of material.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2013.12.035