It is found that these amorphous alloys have been transformed into crystalline phase with grain size of 20-40 nm after annealing at temperature from 450-550 • C for 30 min. Some new phases such as Fe 3 Si are observed and the lattice constant of α-Fe is shortened. These can not be explained by the previous theory about process of diffusion, nucleation and growth of the crystals.Instead, we explain the experimental results by the model of free volume and shearing deposition. If properly applied, shock wave treatment of amorphous alloys would be a promising method for synthesizing new crystalline phases of multicomponent systems.
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