Abstract
The microstructures and kinetics with heating for an amorphous Fe78B13Si9 alloy were studied by X-ray diffraction, transmission electron microscopy, differential thermal analysis and differential scanning calorimetry. The first crystallization takes place by the simultaneous formation of α-(Fe,Si) and Fe3B having the shapes of dendrite and spherulite, respectively. Metastable Fe3B then transformed into a stable phase of Fe2B at a higher temperature. The activation energy for crystallization and the Avrami exponent were determined. It was found that crystallization behaviour in Fe78B13Si9 is controlled by nucleation rather than growth.
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Bang, J.Y., Lee, R.Y. Crystallization of the metallic glass Fe78B13Si9 . J Mater Sci 26, 4961–4965 (1991). https://doi.org/10.1007/BF00549877
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DOI: https://doi.org/10.1007/BF00549877