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Magnetic Properties of SMC Cores Produced at a Low Compacting Temperature

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Jakubas A., Gębara P., Seme S., Gnatowski A., Chwastek K.
Acta Physica Polonica A
|
2017
|
vol. 131
|
issue 5
1289-1293
EN
Soft magnetic composites are readily used in the design of electromagnetic converters and electrical machines. In the paper, the magnetic properties of "home-made" cores made of iron powder and suspense polyvinyl chloride are examined. Samples were prepared by hot pressing of a PVC/Fe powder mixture with a different ratio of constituent components. Phase composition was investigated using an X-ray diffractometer and the presence of α-Fe was detected. Measurements of magnetic permeability revealed its allometric decrease with an increase of PVC content in composite. For the description of magnetization curves the phenomenological Jiles-Atherton model is used. The results of simulations are in a qualitative agreement with experiment.
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