Calphad-type assessment of the Sb–Sn–Zn ternary system |
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| Affiliation: | 1. Masaryk University, Faculty of Science, Department of Chemistry, Kamenice 5, Brno 62500, Czech Republic;2. Masaryk University, CEITEC MU, Brno, Czech Republic;3. Academy of Science, Institute of Physics of Materials, Brno, Czech Republic;1. Department of Physics, Indian Institute of Technology Bombay, 400076 Mumbai, India;2. Department of Physics, Indian Institute of Technology Patna, 800013 Patna, India;1. Xi''an University of Technology, Xi''an 710048, China;2. Shaanxi Province Key Laboratory of Electrical Materials and Infiltration Technology, Xi''an 710048, China;1. School of Materials and Engineerings, Southwest Petroleum University, Chengdu 610500, PR China;2. Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, PR China |
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| Abstract: | The ternary Sb–Sn–Zn phase diagram was investigated experimentally by scanning electron microscopy (SEM) and differential thermal analysis (DTA) of long-term annealed samples. The overall composition of each sample was measured by energy-dispersive X-ray spectroscopy (EDX). The experimental results, together with additional available literature data, were used to perform a CALPHAD-type thermodynamic assessment of this ternary system. Two calculated isothermal sections (250 and 350 °C), an isopleth (x(Sn)=17.57%) and the Zn activity in liquid ternary Sb–Sn–Zn alloys at 550 °C for the composition ratio Sn/Sb=1/3 and at 650 °C for the ratio Sn/Sb=9 are presented with experimental points superimposed. The liquidus projection for the ternary Sb–Sn–Zn system is also presented. The agreement between calculated and experimental results is reasonable. |
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| Keywords: | Sb–Sn–Zn system Thermodynamic assessment Solder alloys Phase diagram CALPHAD Sn-based alloys |
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