Abstract

A method of calculating the thermal activation free energy (thermodynamic barrier) and diffusion activation free energy for crystallization of an amorphous alloy is proposed. In the calculation the solid-liquid surface free energies given in the present study are employed. An example of its application is made to the amorphous Fe 80− x Ni x P 14B 6 alloy and it is quantitatively shown that the crystallization of this alloy system is a diffusion-controlled process.

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