Curie temperatures and crystallization behavior of amorphous Fe81−xNixZr7B12 (x=10, 20, 30, 40, 50, 60) alloys

Abstract Curie temperature, crystal structure and crystallization behavior of amorphous alloys with the stoichiometry Fe 81− x Ni x Zr 7 B 12 ( x =10–60) have been studied by X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and AC-magnetization (TMAG) measurements as functions of temperature. The thermal stability of long-range magnetic order, T C vs. Ni content in as-quenched amorphous alloys exhibits maximum at 352 °C for x =40. The primary crystallization has been detected during annealing at the first crystallization stage of all ribbons investigated.