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The liquid AlCu4TiMg alloy: thermophysical and thermodynamic properties
Yuriy Plevachuk, Vasyl Sklyarchuk, Gernot Pottlacher, Thomas Leitner, Peter Švec Sr., Peter Švec, Lubomir Orovcik, Marta Dufanets, Andriy Yakymovych
In this study, some structure-sensitive thermophysical properties, namely, thermal conductivity, thermoelectric power, density and surface tension of liquid AlCu4TiMg alloy, as one of the most promising cast alloys to fabricate components for cars, aircraft and other complex engineering products, were investigated. Thermoelectric power was measured in a wide temperature range by the four-point contact method. Thermal conductivity was investigated by the steady-state concentric cylinder method. The oscillating drop technique combined with electromagnetic levitation was used for density and surface tension studies. The results obtained are compared with experimental and calculated data from literature for pure aluminum.
Keywords: AlCu4TiMg, density, microstructure, surface tension, thermal conductivity, thermoelectric power
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