Effect of Boron Additions on Glass Formation and Magnetic Properties of Fe-Co-Ti-Zr-B Amorphous Ribbons

• Journal title : Journal of Magnetics
• Volume 21, Issue 2,  2016, pp.164-167
• Publisher : The Korean Magnetics Society
• DOI : 10.4283/JMAG.2016.21.2.164
Title & Authors
Effect of Boron Additions on Glass Formation and Magnetic Properties of Fe-Co-Ti-Zr-B Amorphous Ribbons
Kim, Sumin; Han, Bo Kyeong; Choi-Yim, Haein;

Abstract
The effect of the B additions on glass formation and magnetic properties is reported for the $\small{Fe_{(87-x-y)}Co_yTi_7Zr_6B_x}$ (x = 2, 4, 6 and y = 35, 40) alloy system. The ribbon samples with the width of 2 mm for each composition were prepared by the melt spinning technique; furthermore, their phase information was obtained from X-ray diffraction. Glass formation and magnetic properties were measured using differential scanning calorimetry and vibrating sample magnetometer respectively. The $\small{Fe_{45}Co_{40}Ti_7Zr_6B_2}$ (x = 2 and y = 40) system has the nanocrystalline phase identified as $\small{{\alpha}-Fe}$, as well as the amorphous phase, whereas all other alloys are fully amorphous. It is associated with the role of B on the glass formation. The widest supercooled liquid region is obtained as 71 K at x = 4 (both y = 35 and 40). The saturation magnetization decreases with the increase of the amount of the B addition, and the highest value is 1.59 T as x = 2 and y = 35 for this alloy system.
Keywords
Language
English
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