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Experimental determination of interfacial energies for Ag2Al solid solution in the CuAl2--Ag2Al system |
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| Authors: | Ocak Y Akbulut S Keslioglu K Marasll Na Cadlrll E Kaya H |
| Affiliation: | [1]Department of Physics, Faculty of Arts and Sciences, Erciyes University, Kayseri 38039, Turkey [2]Department of Physics, Institute of Science and Technology, Ereiyes University, Kayseri 38039, Turkey [3]Department of Physics, Faculty of Arts and Sciences, Nigde University, Nigde, Turkey [4]Department of Science Education, Education Faculty, Erciyes University, Kayseri 38039, Turkey |
| Abstract: | The equilibrated grain boundary groove shapes of solidsolution Ag2Al in equilibrium with an Al--Cu--Ag liquid were observed froma quenched sample with a radial heat flow apparatus. TheGibbs--Thomson coefficient, solid--liquid interfacial energy andgrain boundary energy of the solid solution Ag2Al have beendetermined from the observed grain boundary groove shapes. Thethermal conductivity of the solid phase and the thermal conductivityratio of the liquid phase to solid phase for Ag2Al--28.3at the %CuAl2 alloy at the melting temperature have also beenmeasured with a radial heat flow apparatus and Bridgman type growthapparatus, separately. |
| Keywords: | solid--liquid interfaces metalsand alloys surface energy thermal conductivity |
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