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Influence of microstructure on the enhancement of soft magnetic character and the induced anisotropy of field annealed HITPERM-type alloys.

Opened Access Influence of microstructure on the enhancement of soft magnetic character and the induced anisotropy of field annealed HITPERM-type alloys.

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Autor: 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: 2015
Publicado en: Journal of Applied Physics, 117 (17A301)
Tipo de documento: Artículo
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 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.
Tamaño: 975.9Kb
Formato: PDF

URI: http://hdl.handle.net/11441/33670

DOI: http://dx.doi.org/10.1063/1.4906173

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