Study On Temperature Dependence Of Resistivity In Liquid Alloy

Liquid-liquid structural change has become a common concern in liquid physics these years, which enriches the phenomenology in liquid physics and shed light on the structure and property of liquid materials. However, the essence of this phenomenon is still seldom known.The measurement of electrical resistivity has already been successfully applied in investigating the electrical properties and testifying anomalous change in some binary alloys. In this paper, we carry on investigation of the temperature dependence of electrical resistivity (p-T) and structure analysis of liquid In-Sn, Sn-Sb and Pb-Zn alloy.First, we introduce the electricity behavior of In-Sn alloy in cooling process based on the former investigation of liquid structure in heating process. The reversibility of the structure change is mainly investigated in this chapter. Study mainly focuses on the reversibility of such temperature-induced liquid-liquid discontinuous transition.Second, chapter four mainly gives the investigation of p-T in Sn-Sb alloys. Temperature-induced structure change is believed to occur in some compositions of liquid Sn-Sb alloys, which may due to the remaining covalent and heterogeneous bonds and different bonding ability between Sn and Sb atoms.Also, the electricity of liquid Pb-Zn alloy is measured. This alloy is characterized by its low gasifacating temperature. Results show that no discontinuous structure transition occurs in Pb-Zn alloy with low percentage zinc.