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Thermodynamic Properties and Melting Behavior of Bi–Sn–Zn Alloys |
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| Authors: | Christoph Luef Aloke Paul Jiri Vizdal Ales Kroupa Alexander Kodentsov Herbert Ipser |
| Institution: | Institut für Anorganische Chemie – Materialchemie, Universit?t Wien, 1090, Wien, Austria Department of Chemical Engineering and Chemistry, Laboratory of Materials and Interface Chemistry, Eindhoven University of Technology, 5600, MB Eindhoven, The Netherlands Metallurgy Department, Indian Institute of Science, 560012, Bangalore, India Institute of Physics of Materials, Academy of Sciences of the Czech Republic, 61662, Brno, Czech Republic |
| Abstract: | Summary. The partial and integral enthalpies of mixing of liquid Bi–Sn–Zn alloys were determined at 500°C by a drop calorimetric technique using a Calvet-type microcalorimeter. The ternary interaction parameters in the Bi–Sn–Zn system were fitted using the Redlich-Kister-Muggianu model for substitutional solutions, and isoenthalpy curves of the integral molar enthalpy of mixing at 500°C were constructed. Furthermore, a DSC technique was used to determine the liquidus temperatures in three sections (3, 5, and 7 at.% Zn) as well as the invariant reaction temperature of the ternary eutectic L ⇄ (Bi) + (Sn) + (Zn). The ternary eutectic reaction was found at 135°C. |
| Keywords: | , Alloys, Calorimetry, Thermochemistry, Enthalpy of mixing, Liquidus temperatures, |
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