Experimental investigation and thermodynamic prediction of the Bi-Sb-Zn phase diagram
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Phase diagram of the ternary Bi-Sb-Zn system was investigated experimentally by DTA and SEM-EDS methods and analytically by CALPHAD method. The liquidus projection, invariant equilibria, several vertical sections and isothermal section at 300 degrees C were predicted using COST 531 thermodynamic database. Phase transition temperatures of alloys along three predicted vertical sections of the Bi-Sb-Zn ternary system with molar ratio Bi:Sb = 1, Bi:Zn = 1 and Sb:Zn = 1, were measured by differential thermal analysis (DTA). Predicted isothermal section at 300 degrees C was compared with the results of the scanning electron microscope (SEM) with energy dispersive spectrometry (EDS) analysis from this work.
Keywords:Bi-Sb-Zn ternary system / Phase diagram / Thermal analysis / Thermodynamic prediction
Source:Materials Chemistry and Physics, 2010, 122, 1, 108-113
- Elsevier Science Sa, Lausanne