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Experimental investigation and thermodynamic calculation of the Bi-Ga-Sn phase equilibria |
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| Authors: | Dragan Manasijevi? Duško Mini? Iwao Katayama Desimir Petkovi? |
| Institution: | a University of Belgrade, Technical Faculty, VJ 12, 19210 Bor, Serbia b University of Pristina, Faculty of Technical Sciences, 38220 Kosovska Mitrovica, Serbia c Research Institute for Ubiquitous Energy Devices, Advanced Industrial Science and Technology, Ikeda, Osaka, Japan d Department of Chemistry, Faculty of Science, Masaryk University, 61137 Brno, Czech Republic |
| Abstract: | Binary thermodynamic data, successfully used for phase diagram calculations of binary systems Bi-Ga, Bi-Sn, and Ga-Sn, were used for prediction of phase equilibria in ternary Bi-Ga-Sn system. The thermodynamic functions, such as enthalpy of formation and activity, were calculated using the Redlich-Kister-Muggianu model and compared with experimental data reported in the literature. The liquidus surface, invariant equilibria and three vertical sections with molar ratio Ga:Sn=1, Bi:Sn=1 and Bi:Ga=1 of the Bi-Ga-Sn ternary system were calculated by the CALPHAD method. Alloys, situated along three calculated vertical sections, were investigated by Differential Scanning Calorimetry (DSC). The experimentally determined phase transition temperatures were compared with calculation results and good mutual agreement was noticed. |
| Keywords: | A Alloys D Phase equilibria D Thermodynamic properties |
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