Brillo, J. and Brooks, R. and Egry, Ivan and Quested, P. (2008) Density and viscosity of liquid ternary Al-Cu-Ag alloys. High Temperatures-High Pressures, 37, pp. 371-381.
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In this paper, we report on density and viscosity measurements of liquid Al-Cu-Ag alloys. The densities have been measured on electromagnetically levitated samples by a shadowgraph technique. The viscosities were obtained by means of an oscillating cup viscometer where a suspended crucible containing the liquid sample performs torsinal oscillations damped by the viscosity of the liquid. It was found that the density is a linear function of temperature for all investigated compositions. The concentration dependence of the molar volume exhibits a negative excess volume. The measured viscosities can be describes as a function of temperature by an Arrhenius law, yielding an activation energy for the viscous flow. The viscosity and its apparent activation energy exhibit both a maximum at a certain composition.
|Title:||Density and viscosity of liquid ternary Al-Cu-Ag alloys|
|Journal or Publication Title:||High Temperatures-High Pressures|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 371-381|
|Keywords:||Al-Cu-Ag alloys, Density, Electromagentic levitation, Excess volume, Viscosity, Oscillating cup viscometry|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W FR - Forschung unter Weltraumbedingungen (old)|
|DLR - Research area:||Space|
|DLR - Program:||W FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||W - Vorhaben Materialwissenschaftliche Forschung (old)|
|Institutes and Institutions:||Institute of Materials Physics in Space > Institute of Space Simulation > Center for Solidification of Undercooled Melts (ZEUS)|
|Deposited By:||Ingeborg Parpart|
|Deposited On:||26 Jan 2009|
|Last Modified:||21 Jun 2010 14:49|
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