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Experimental determination of solid-liquid interfacial energy for solid Sn in the Sn-Mg system |
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| Authors: | Fatma Meydaneri,Buket Saatç iMehmet Ö zdemir |
| Affiliation: | a Department of Metallurgy and Materials Science Engineering, Faculty of Engineering, Karabük University, 78050 Karabük, Turkey b Department of Physics, Faculty of Arts and Sciences, Erciyes University, 38039 Kayseri, Turkey c Department of Chemistry, Faculty of Arts and Sciences, Erciyes University, 38039 Kayseri, Turkey |
| Abstract: | The equilibrated grain boundary groove shapes for solid Sn in equilibrium with the Sn-9 at.% Mg eutectic liquid were directly observed annealing a sample at the eutectic temperature for about 5 days with a radial heat flow apparatus. The thermal conductivities of the solid phase, κS, and the liquid phase, κL, for the groove shapes were measured. From the observed grain boundary groove shapes, the Gibbs-Thomson coefficient, the solid-liquid interfacial energy and grain boundary energy for solid Sn in equilibrium with the Sn-9 at.% Mg eutectic liquid have been determined to be (7.35 ± 0.36) × 10−8 Km, (136.41 ± 13.64) × 10−3 J m−2 and (230.95 ± 25.40) × 10−3 J m−2, respectively. |
| Keywords: | Sn-Mg alloy Gibbs-Thomson coefficient Interface energy Grain boundary energy |
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