Abstract
The crystallization kinetics of Fe83P17 amorphous alloy has been studied by Mössbauer spectroscopy and X-ray diffractometry. The samples were annealed isothermally at two different temperatures (315 °C and 325 °C). During isothermal annealing of the samples three phases were observed: crystalline Fe3P phase, crystalline α-Fe phase and the amorphous phase. The value of the Avrami exponent was found to be about 2.0 at each annealing temperature. This suggests that the growth rate of the crystals is controlled by volume diffusion and the nucleation rate decreases during crystallization. The activation energy obtained for the overall crystallization process was 193±43 kJ mol−1.
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Cserei, A., Kuzmann, E., Pöppl, L. et al. Study of the crystallization kinetics in amorphous Fe83P17 alloy. Journal of Radioanalytical and Nuclear Chemistry Letters 187, 33–45 (1994). https://doi.org/10.1007/BF02162632
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DOI: https://doi.org/10.1007/BF02162632