Impact of Microstructure Upon Soft Magnetic Properties of Cobalt-Doped Metallic Glasses

Abstract

Microstructure and magnetic properties of the (Fe x Co 1 ) 76 Mo 8 Cu 1 B 15 amorphous metallic alloys (x = 3, 6, and 9) are investigated by macroscopic magnetic measurements as well as a local probe technique. The microstructure of alloys is described using the findings from Mössbauer spectrometry. Study of magnetic characteristics was aimed at obtaining optimal initial parameters for simulation process in choke cores. The results obtained from numerical analysis of choke cores, i.e., core losses and winding losses were compared with the same parameters obtained for commercial materials such as FINEMET and Fe-3.2% Si alloys. Analysis of the magnetic properties shows that the investigated material can be applied in highly sensitive electrical devices.

Microstructure and Magnetic Properties of NANOPERM-Type Soft Magnetic Material

“…Amorphous and especially nanocrystalline Fe-based alloys, due to their excellent soft magnetic properties, have already become one of the most promising material for many electric applications [1][2][3]. These types of alloys are usually produced by partial crystallization of metastable, amorphous, rapidly quenched ribbons in which controlled annealing process leads to the nucleation of α-Fe nanograins embedded in amorphous matrix.…”