Title :
Preisach model study of the connection between magnetic and microstructural properties of soft magnetic materials
Author :
Basso, V. ; Berlotti, G. ; Infortuna, A. ; Pasquale, M.
Author_Institution :
IEN Galileo Ferraris & GNSM-INFM, Torino, Italy
fDate :
11/1/1995 12:00:00 AM
Abstract :
The application of Preisach modelling to the study of the microstructure-hysteresis interplay in soft magnetic materials is reviewed. It is shown that mean-field effects are mainly due to the change of the total domain wall surface energy along the hysteresis loop. The reconstruction of the Preisach distribution from a proper set of experimental data is discussed and the microstructural evolution of the reconstructed distribution in partially crystallized FeCoB amorphous alloys is presented. Finally, the problem of dynamic hysteresis effects in rapidly-quenched 6.5% SiFe alloys is discussed in the frame of a recently proposed dynamic generalization of the Preisach model
Keywords :
amorphous magnetic materials; boron alloys; cobalt alloys; crystal microstructure; ferromagnetic materials; iron alloys; magnetic domain walls; magnetic hysteresis; soft magnetic materials; FeCoB; Preisach model; dynamic generalization; dynamic hysteresis effects; hysteresis loop; magnetic properties; mean-field effects; microstructural properties; microstructure-hysteresis interplay; partially crystallized FeCoB amorphous alloys; reconstructed distribution; soft magnetic materials; total domain wall surface energy; Amorphous magnetic materials; Amorphous materials; Crystal microstructure; Crystallization; Magnetic domain walls; Magnetic hysteresis; Magnetic materials; Magnetic properties; Magnetization; Soft magnetic materials;
Journal_Title :
Magnetics, IEEE Transactions on
