Crystallization Kinetics and Magnetic Properties of Fe<sub>40</sub>Ni<sub>40</sub>B<sub>20</sub> Bulk Metallic Glass
- 1 LASEA, Department of Chemistry, University of Badji Mokhtar, Annaba, Algeria
- 2 LASEA, Department of Chemistry, University of Badji Mokhtar, Annaba, Algeria；University of 08 mai 1945 Guelma, Guelma, Algeria；Università di Torino, Via P. Giuria 9, Torino, Italy
- 3 Università di Torino, Via P. Giuria 9, Torino, Italy
Abstract
Fe - based b ulk 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 Fe 40 Ni 40 B 20 (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 Fe 40 Ni 40 B 20 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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