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Surface Tension of Liquid Ag–Cu Binary Alloys

Brillo, J. and Lauletta, G. and Vaianella, L. and Arato, E. and Ricci, E. and Giuranno, D. and Novakovic, R. (2014) Surface Tension of Liquid Ag–Cu Binary Alloys. ISIJ International, 54 (9), pp. 2115-2119. Nippon Tekko Kyokai/Iron and Steel Institute of Japan. DOI: http://dx.doi.org/10.2355/isijinternational.54.2115 ISSN 0915-1559

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Abstract

Surface tension of liquid Ag–Cu binary alloys has been measured contactlessly using the technique of electromagnetic levitation in combination with the oscillating drop technique. The measurements were performed at temperatures above the melting point of alloys. The surface tension values were obtained from an analysis of the frequency spectra of droplet oscillations recorded with a CMOS-camera at 400 fps. The alloy samples covered the entire composition range. The surface tension data can be described by linear functions of temperature with negative slopes. The new experimental data were compared to the corresponding theoretical values calculated combining the Butler equation with the ideal and subregular solution models, respectively. The agreement with the experimentally obtained data is excellent for the isothermal surface tension and quite reasonable for their temperature coefficients.

Item URL in elib:https://elib.dlr.de/90650/
Document Type:Article
Title:Surface Tension of Liquid Ag–Cu Binary Alloys
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Brillo, J.MP-KPUNSPECIFIED
Lauletta, G.MP-KPUNSPECIFIED
Vaianella, L.MP-KPUNSPECIFIED
Arato, E.Uni-GenuaUNSPECIFIED
Ricci, E.CNR-IENIUNSPECIFIED
Giuranno, D.CNR-IENIUNSPECIFIED
Novakovic, R.CNR-IENIUNSPECIFIED
Date:2014
Journal or Publication Title:ISIJ International
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:54
DOI :http://dx.doi.org/10.2355/isijinternational.54.2115
Page Range:pp. 2115-2119
Publisher:Nippon Tekko Kyokai/Iron and Steel Institute of Japan
ISSN:0915-1559
Status:Published
Keywords:Ag–Cu liquid alloys butler equation electromagnetic levitation segregation surface tension.
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 > Scientific Experiments MP
Deposited By: Brillo, Dr.rer.nat. Jürgen
Deposited On:23 Sep 2014 15:03
Last Modified:08 Mar 2018 18:36

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