Bulk and Surface Properties of Liquid Al-Li and Li-Zn Alloys |
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Authors: | Marcela Trybula Tomasz Gancarz Wladyslaw Gasior Alain Pasturel |
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Affiliation: | 1. Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Reymonta 25 St., 30-059, Krakow, Poland 2. Laboratoire de Science et Ingénierie des Matériaux et Procédés, UMR-CNRS-INPG-UFJ 5266, PHELMA-Grenoble-INP, Saint-Martin-d’Heres Cedex, France
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Abstract: | Physicochemical properties like density, surface tension, and viscosity of liquid binary Al-Li and Li-Zn alloys have been measured using draining crucible method. The experimentally measured surface-tension values have been compared to theoretical results based either on the Butler model or the compound formation model assuming the existence of the most favored A 1 B 2 and A 2 B 3 clusters. Several models for viscosity calculation have been also applied and discussed in confrontation with measured data. Finally, the clustering effects in the liquid Al-Li and Li-Zn alloys have been examined using two microscopic functions, i.e., the concentration fluctuation function in the long-wavelength limit and the Warren-Cowley short-range order parameter. |
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