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Surface tension of liquid Al-Cu binary alloys.

Schmitz, Julianna and Brillo, Jürgen and Egry, Ivan and Schmid-Fetzer, Rainer (2009) Surface tension of liquid Al-Cu binary alloys. International Journal of Materials Research, 100 (11), pp. 1529-1535. Carl Hanser Verlag, München. DOI: 10.3139/146.110221. ISSN 1862-5282.

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Abstract

Surface tension data of liquid Al–Cu binary alloys have been measured contactlessly using the technique of electromagnetic levitation. A digital CMOS-camera (400 fps) recorded image sequences of the oscillating liquid sample and surface tensions were determined from analysis of the frequency spectra. Measurements were performed for samples covering the entire range of composition and precise data were obtained in a broad temperature range. It was found that the surface tensions can be described as linear functions of temperature with a negative slope. Moreover, they monotonically decrease with an increase in the aluminium concentration. The observed behaviour with respect to both temperature and concentration is in agreement with thermodynamic model calculations using the subregular solution approximation.

Document Type:Article
Title:Surface tension of liquid Al-Cu binary alloys.
Authors:
AuthorsInstitution or Email of Authors
Schmitz, JuliannaUNSPECIFIED
Brillo, JürgenUNSPECIFIED
Egry, IvanUNSPECIFIED
Schmid-Fetzer, RainerUNSPECIFIED
Date:November 2009
Journal or Publication Title:International Journal of Materials Research
Refereed publication:No
In Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:100
DOI:10.3139/146.110221
Page Range:pp. 1529-1535
Publisher:Carl Hanser Verlag, München
ISSN:1862-5282
Status:Published
Keywords:Al–Cu liquid binary alloys Butler equation Multilayer model Segregation Surface tension
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 Materialforschung unter Mikro-g (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Dr.rer.nat. Jürgen Brillo
Deposited On:08 Dec 2009 08:35
Last Modified:12 Dec 2013 20:47

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