Abstract
In the present study, the effect of Y addition on the glass forming ability and magnetic properties of [FeSUB0.75/SUBBSUB0.20/SUBSiSUB0.05/SUB]SUB100-x/SUBYSUBx /SUB(x = 0, 1, 2, 3, 4) amorphous ribbons were investigated. The ribbons of 2 mm in width and 30 μm in thickness were obtained using the melt spinning technique. All ribbons were identified as fully amorphous by using X-ray diffraction. The thermal properties, including glass transition temperature, crystallization temperature, and supercooled liquid region, were measured by differential scanning calorimetry and thermomechanical analysis. The results showed that, with an increase of the Y content, the supercooled liquid region broadened, indicating an improvement of glass forming ability. The magnetic properties of the amorphous ribbons were measured by a vibrating sample magnetometer. In addition, it was confirmed that, with an increase of the Y content, coercivity tended to decrease.
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