Dynamic magnetoelastic properties of the Fe80Si10B10 amorphous alloy subjected to crystallization annealing

Dynamic magnetoelastic properties of the Fe80Si10B10 amorphous alloy have been investigated by the method of double electromagnetoacoustic transformation (EMAT) depending on the temperature of crystallization annealing. The anomalous changes in the differential magnetostriction and damping and velocity of ultrasound revealed in the region of surface crystallization are similar to changes in the parameters of the double EMAT in the Fe73.7Cu1.0Nb3.2Si12.7B9.4 finemet, although some distinctions have been observed.