Abstract
Solidification of molten zinc chloride was studied both experimentally and theoretically. By isothermal thermal analysis the time needed for the melt to crystallize at a given temperature ranging between 453 and 553 K was determined and the data obtained were compared with those of a calculated TTT curve. The extremum coordinates (temperature TN, time tN) of the curve, critical cooling rate vCR, interfacial energy σ, and an additional parameter of kinetics barrier for nucleation ɛ were determined as TN=508 K, tN=7.29 s, vCR=11.38 K s−1, σ=0.11956 J m−2 and ɛ=0.5712. By non-isothermal method the critical cooling rate of glass formation was determined as 1.25 K s−1.
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