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Magnetic field influence on nanocrystallization process of FeCoSiBCuNb alloys

✍ Scribed by Marín, Pilar ;López, Miguel ;Ruiz-González, Luisa ;Cortés Gil, Raquel ;González-Calbet, Jose María ;Hernando, Antonio

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
727 KB
Volume
203
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

We report the influence of magnetic field in the first stages of nanocrystallization process of FeCoSiBCuNb alloys. Amorphous ribbons have been annealed under longitudinal magnetic field. Depending on annealing temperature and magnetic field intensity, we observe the formation of different microstructures. In particular, when annealing at a temperature corresponding to the first stages of nanocrystallization process in the presence of magnetic field, an alignment of grains associated to grain growth related with a decrease of amorphous percentage has been obtained for certain intensities of applied magnetic field. Sample microstructure has been observed by means of TEM and the influence of microstructure in magnetic behaviour has been analysed by means of magnetization and coercivity field evolution with measuring temperature. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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