Analysis of the plastic deformation influence on hysteresis loop in non oriented electrical steel

This paper discusses about the effect of plastic deformation on the energy dissipated by hysteresis, remanent induction and coercive field in non oriented electrical steel. Magnetic characterization was performed under quasi-static regime at 5 mHz for various maximum induction values. The results sh...

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Veröffentlicht in:Tecnologia em Metalurgia, Materiais e Mineracao Materiais e Mineracao, 2011-01, Vol.20110718, p.2080-2088
Hauptverfasser: Junior, Daniel Luiz Rodrigues, Da Silveira, Joao Ricardo Filipini, Landgraf, Fernando Jose Gomes, Nishikawa, Thomas Seiji Pascoto
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Nishikawa, Thomas Seiji Pascoto
description This paper discusses about the effect of plastic deformation on the energy dissipated by hysteresis, remanent induction and coercive field in non oriented electrical steel. Magnetic characterization was performed under quasi-static regime at 5 mHz for various maximum induction values. The results showed that both the energy dissipated and coercive field varied linearly with the square root of the true deformation. The hysteresis loss subdivision indicated beside that domain walls pinning by dislocations, residual stress also contribute to energy dissipation. The remanent induction decreased with the evolution of plastic deformation.
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subjects Coercive force
Dissipation
Electrical steels
Evolution
Magnetic induction
Plastic deformation
Residual stress
Subdivisions
title Analysis of the plastic deformation influence on hysteresis loop in non oriented electrical steel
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