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Density and Viscosity of ternary Al-Cu-Si liquid alloys

Kobatake, Hidekazu and Schmitz, Julianna and Brillo, Jürgen (2014) Density and Viscosity of ternary Al-Cu-Si liquid alloys. Journal of Materials Science, 49, pp. 3541-3549. Springer. DOI: 10.1007/s10853-014-8072-z. ISSN 0022-2461.

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Densities and viscosities of ternary Al–Cu–Si liquid alloys have been investigated over a wide temperature and composition range. Density was measured using electromagnetic levitation as a container-less technique, while viscosity was measured by means of a high-temperature oscillating cup viscometer. In this ternary system, binary interaction parameters as well as a third (ternary) interaction parameter need to be taken into account for the excess volume to describe the liquid densities. The temperature dependences of the viscosities are well described by the Arrhenius law. A maximum of the activation energy of viscous flow is found in that compositional range in which intermetallic phases exist in the solid state.

Document Type:Article
Title:Density and Viscosity of ternary Al-Cu-Si liquid alloys
AuthorsInstitution or Email of Authors
Kobatake, HidekazuDLR, Institut für Materialphysik im Weltraum
Schmitz, JuliannaDLR, Institut für Materialphysik im Weltraum
Brillo, JürgenDLR, Institut für Materialphysik im Weltraum
Date:February 2014
Journal or Publication Title:Journal of Materials Science
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 3541-3549
Keywords:Density, Liquid metal, viscosity
HGF - Research field:other
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:no assignement
DLR - Program:no assignment
DLR - Research theme (Project):other
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space > Leitungsbereich MP
Deposited By: Hidekazu Kobatake
Deposited On:24 Feb 2014 09:28
Last Modified:24 Feb 2014 09:28

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