HSIN-JAY WUFoo, Wei-JianWei-JianFooGierlotka, WojciechWojciechGierlotkaChen, Sinn-WenSinn-WenChenSnyder, G. JeffreyG. JeffreySnyder2024-09-182024-09-182013https://www.scopus.com/record/display.uri?eid=2-s2.0-84881138689&origin=resultslisthttps://scholars.lib.ntu.edu.tw/handle/123456789/721184Ag-Pb-Te is an important system in thermoelectric applications. Various Ag-Pb-Te alloys are prepared and their microstructures are examined. The liquidus projection of ternary Ag-Pb-Te system is determined both by experimental investigations and Calphad calculations, and the results are in good agreement. There are eight primary solidification phases, Ag, γ-Ag2Te, β-Ag2Te, Ag1.9Te, Ag 5Te3, Te, PbTe and Pb, including a miscibility gap extended from the Ag-Te side. A ternary-eutectic reaction, L = PbTe + Te + Ag5Te3, was determined with a liquid composition of Ag-4.3at%Pb-62.6at%Te at 337 C. A nanoscale microstructure containing a dotted PbTe and a lamellar matrix of Ag5Te3 and Te phases results from the ternary eutectic reaction. The solidification paths of selective ternary Ag-Pb-Te alloys are calculated using the Scheil model with the optimized interaction parameters obtained in this study, and the results are consistent with the experimental observations. © 2013 Elsevier B.V. All rights reserved.Computer modeling and simulationMicrostructureSolidificationThermoelectric effectsjournal article10.1016/j.matchemphys.2013.05.0722-s2.0-84881138689