Artículo
Influence of microstructure on the enhancement of soft magnetic character and the induced anisotropy of field annealed HITPERM-type alloys
Autor/es | Blázquez Gámez, Javier Sebastián
Marcin, Jozef Varga, Melinda Franco García, Victorino Conde Amiano, Alejandro Škorvánek, Ivan |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2015 |
Fecha de depósito | 2016-02-01 |
Publicado en |
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Resumen | Hitperm-type rapidly quenched ribbons were submitted to field annealing, both longitudinal field
(LF) and transversal field (TF) to the axis of the ribbon. LF annealing yields a reduction of
the magnetic anisotropy and ... Hitperm-type rapidly quenched ribbons were submitted to field annealing, both longitudinal field (LF) and transversal field (TF) to the axis of the ribbon. LF annealing yields a reduction of the magnetic anisotropy and results can be explained in the frame of random anisotropy model. A coercivity of 3 A/m is obtained for Fe 39 Co 39 Nb 6 B 15 Cu 1 alloy. The addition of Cu to these Nb-containing Hitperm-type alloys is a key factor to refine the microstructure in order to reach this very low coercivity value. TF annealing produces samples with sheared hysteresis loops suitable for sensor and high frequency applications. |
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