摘要The kinetics of temperature-induced liquid--liquid structure transition (TI-LLST) process in Sn--(40wt%)Bi melt is investigated in isothermal and continuous heating experiments with electrical resistivity method. The time evolution pattern of the electrical resistivity suggested the transition mechanism of TI-LLST for Sn--(40wt%)Bi melt in accordance with the autocatalytic reaction model, which is an indication of nucleation-growth type. With the calculated reaction rate constant KT and apparent activation energy ΔE, we deduce the reason for the characteristics of TI-LLST. The present result may be beneficial for further understanding of the nature of TI-LLST.
Abstract：The kinetics of temperature-induced liquid--liquid structure transition (TI-LLST) process in Sn--(40wt%)Bi melt is investigated in isothermal and continuous heating experiments with electrical resistivity method. The time evolution pattern of the electrical resistivity suggested the transition mechanism of TI-LLST for Sn--(40wt%)Bi melt in accordance with the autocatalytic reaction model, which is an indication of nucleation-growth type. With the calculated reaction rate constant KT and apparent activation energy ΔE, we deduce the reason for the characteristics of TI-LLST. The present result may be beneficial for further understanding of the nature of TI-LLST.
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2008, Vol. 25 
