Crystallization Kinetics and Magnetic Properties of Fe40Ni40B20 Bulk Metallic Glass

Abstract

Fe-based bulk metallic glasses (BMGs) have been extensively studied due to their potential technological applications and their interesting physical properties such as a low modulus of elasticity, high yielding stress and good magnetic properties. In the present work, the bulk metallic glass (BMG) formation of Fe40Ni40B20 (numbers indicate at %) with a ribbon form was fabricated by the single roller melt-spinning method. Rapid solidification leads to a fully amorphous structure for all compositions. The thermal properties associated with crystallization temperature of the glassy samples were measured using differential scanning calorimetry (DSC) at a heating rate of 10/mn. The microstructure and constituent phase of the alloy composite have been analyzed by using X-ray diffractometry (XRD). The effect of high temperature on the isothermal crystallization of Fe40Ni40B20 ribbon was investigated by HTX-ray diffraction. In addition, these ribbon glasses also exhibit good soft magnetic properties with M-H curvature measured under the magnetic fields between –1 kOe and 1 kOe.

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Chakri, N. , Bendjemil, B. and Baricco, M. (2014) Crystallization Kinetics and Magnetic Properties of Fe40Ni40B20 Bulk Metallic Glass. Advances in Chemical Engineering and Science, 4, 36-38. doi: 10.4236/aces.2014.41005.

Conflicts of Interest

The authors declare no conflicts of interest.

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