Experimental determination of interfacial energy for solid Al in the Al-Sn-Mg eutectic system with Bridgman-type apparatus |
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Affiliation: | 1. Vocational School of Sivas, Sivas Cumhuriyet University, 58140 Sivas, Turkey;2. Department of Physics, Erciyes University, 38039 Kayseri, Turkey |
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Abstract: | The equilibrated grain boundary groove shape of solid Al in equilibrium with Al-Sn-Mg eutectic liquid was observed by using a Bridgman type directional solidification apparatus. The ratio of the thermal conductivity of the equilibrated liquid to the thermal conductivity of solid Al has been obtained as 0.91. In addition, the average Gibbs-Thomson coefficient, , the solid-liquid interfacial energy, and the grain boundary energy, , in the Al/Al-Sn-Mg system have been calculated from the measured grain boundary shapes. |
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Keywords: | Interfacial energy Gibbs-Thomson coefficient Al-Sn-Mg ternary alloys Grain boundary energy |
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