Liquid phase transition of Sn50Bi50 hypereutectic alloy and its thermodynamic and kinetic aspects

In this paper, the thermodynamic and kinetic characteristics of liquid phase transition (LPT) were investigated using conductivity method and DSC method. The results showed that the first-order liquid phase transition was completed in Sn50Bi50 melt and controlled by temperature and the concentration of the substrate. The nature of transition was the broken of residual SnSn covalent bonds and the release of free electrons. The Kissinger method, Ozawa method and Doyle method are suitable for the investigation of LPT. In addition, a facile strategy was established for investigating the thermodynamic and kinetic characteristics of the LPT.