Abstract

The crystallization process of Co78Si9B13 metallic glass starts at 648 K and as a result of this the ϵ-Co(Si) phase with needle morphology is formed. The second stage of the crystallization follows after annealing at 773 K and as a consequence of this the main phases: α-Co(Si) and (Co,Si)3B, (Co,Si)2B are created. Crystallites of the α-Co(Si) phase have layer morphology. The coercivity increases after the both stages of the crystallization.

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