The formation range, magnetic properties and thermal stability for Fe-Zr-B amorphous alloys have been examined. The combination of zirconium and boron as glass formation elements is extremely effective both in expanding the formation range and increasing stability against crystallization for Fe-based amorphous alloys. Both the Curie temperature and saturation magnetization at room temperature decrease with increasing Zr content. Magnetostriction for the present alloys is smaller than that of metal-metalloid alloys possessing the same magnitude of saturation magnetization. There is no variation in coersive force on isothermal aging at 150℃ for time up to 10^4 minutes.
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Ohnuma et al. (1980) studied this question.
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