Abstract
The paper presents the measurement results of the influence of the thermal annealing carried out in order to obtain better parameters of the amorphous cores. Amorphous alloys were examined in as quenched and annealed state. The results of investigation on influence of external stresses on magnetic characteristics of those cores have been done. First core was in as-quenched state, whereas others were annealed in 350 °C for one hour, annealed in 355 °C for one hour, and annealed in 360 °C for one hour. Presented results confirm the high magnetoelastic sensitivity of 2714A type amorphous alloy in as-quenched and annealed states in case of influence of compressive stresses from 0 MPa to 10 MPa. While in the case of tensile stress effect was negligible for stresses from 0 MPa to 3 MPa.
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