Abstract
Amorphous FeSiNbBCu alloy ribbons were bombarded by Ar ion with different time, the phase structure and crystallization kinetics of amorphous alloys after ion bombardment were evaluated by XRD and differential scanning calorimetry (DSC), respectively. The apparent activation energy of the first crystallization process dropped from 378.6 kJ/mol for the raw amorphous ribbon to 305.1 kJ/mol for the sample after ion-bombardment, ion-bombardment has no obvious effect on the apparent activation energy of the second crystallization process. Ion-bombardment has an important effect on the crystallization mechanism of the first crystallization of amorphous alloys. Ion-bombardment will lead to the structure relaxation and induce crystallization of amorphous alloys, which then has an important effect on the nucleation and growth mechanism of the initial stage of the first crystallization process.
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