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Effect of Y addition on Glass Forming Ability and Magnetic Properties in Fe-based Amorphous Ribbons

Authors
Kim, JihyeKim, SuminYim, Haein-Choi
Issue Date
Dec-2018
Publisher
KOREAN MAGNETICS SOC
Keywords
Fe-based; amorphous; glass forming ability; Y addition
Citation
JOURNAL OF MAGNETICS, v.23, no.4, pp.541 - 545
Journal Title
JOURNAL OF MAGNETICS
Volume
23
Number
4
Start Page
541
End Page
545
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/4145
DOI
10.4283/JMAG.2018.23.4.541
ISSN
1226-1750
Abstract
In the present study, the effect of Y addition on the glass forming ability and magnetic properties of [Fe0.75B0.20Si0.05](100-x)Y-x (x = 0, 1, 2, 3, 4) amorphous ribbons were investigated. The ribbons of 2 mm in width and 30 pm 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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