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Surface tension of binary Al–Si liquid alloys

Kobatake, Hidekazu and Brillo, Jürgen and Julianna, Schmitz and Pierre-Yves, Pichon (2015) Surface tension of binary Al–Si liquid alloys. Journal of Materials Science, 50 (9), pp. 3351-3360. Springer. DOI: 10.1007/s10853-015-8883-6 ISBN 0022 2461 ISSN 0022-2461

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Official URL: http://link.springer.com/journal/volumesAndIssues/10853


In the present study, the surface tensions of pure liquid Al, Si, and liquid Al–Si alloys were systematically investigated by means of the oscillating drop method in combination with electromagnetic levitation. Prior to the measurement, the ambient oxygen partial pressure in the chamber was measured using an yttriumstabilized zirconia oxygen sensor to estimate the surface oxygen partial pressure based on the thermodynamic assesssment. Under the experimental Ar gas with oxygen partial pressure of 10–1 Pa, the oxygen-reduced surfaces of pure liquid Al and Si can be obtained. However, the surface tensions of alloys in Al-rich composition are strongly affected by the oxygen adsorption under the same oxygen partial pressure. With the increasing Si concentration, the surface tension of the alloy approaches to the values of the oxygen-reduced surface.

Item URL in elib:https://elib.dlr.de/95644/
Document Type:Article
Title:Surface tension of binary Al–Si liquid alloys
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kobatake, HidekazuDLR, Institut für Materialphysik im WeltraumUNSPECIFIED
Brillo, JürgenInstitut für Materialphysik im Weltraum DLR KölnUNSPECIFIED
Julianna, SchmitzDLR, Institut für Materialphysik im WeltraumUNSPECIFIED
Pierre-Yves, PichonDLR, Institut für Materialphysik im WeltraumUNSPECIFIED
Date:2 March 2015
Journal or Publication Title:Journal of Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s10853-015-8883-6
Page Range:pp. 3351-3360
ISBN:0022 2461
Keywords:Levitation, liquid alloy, thermophysical property
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Vorhaben Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space > Leitungsbereich MP
Deposited By: Kobatake, Hidekazu
Deposited On:19 Mar 2015 08:17
Last Modified:06 Sep 2019 15:27

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