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Surface tension of liquid Ti with adsorbed oxygen and a simple associate model for its prediction

Brillo, Jürgen and Wessing, Johanna and Kobatake, Hidekazu and Fukuyama, Hiroyuki (2020) Surface tension of liquid Ti with adsorbed oxygen and a simple associate model for its prediction. High Temperatures-High Pressures, 49, pp. 89-105. Old City Publishing. ISSN 0018-1544

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Abstract

Surface tensions of electromagnetically levitated liquid Ti-samples were measured under the influence of oxygen. For this purpose, Ti-O samples were prepared by adding different amounts of TiO 2 powder to pure Ti. The surface tension was found to strongly depend on the bulk oxygen mole fraction determined by chemical analysis. The results could be described by a simple model presented in the pres- ent work. In this model the Butler equation is applied and the formation of TiO2 - associates are taken into account. Non-ideal interactions between titanium and the associates also need to be taken into account. Good agreement with the experimental data is evident and also with a dif- ferent model developed earlier by us.

Item URL in elib:https://elib.dlr.de/134039/
Document Type:Article
Title:Surface tension of liquid Ti with adsorbed oxygen and a simple associate model for its prediction
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Brillo, JürgenJuergen.Brillo (at) dlr.deUNSPECIFIED
Wessing, JohannaJohanna.Wessing (at) dlr.deUNSPECIFIED
Kobatake, HidekazuHidekazu.Kobatake (at) dlr.deUNSPECIFIED
Fukuyama, Hiroyukihiroyuki.fukuyama.b6 (at) tohoku.ac.jpUNSPECIFIED
Date:2020
Journal or Publication Title:High Temperatures-High Pressures
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:49
Page Range:pp. 89-105
Publisher:Old City Publishing
ISSN:0018-1544
Status:Published
Keywords:Electromagnetic levitation, liquid titanium, modelling, oxygen, surface tension 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):Vorhaben Nutzerzentrum Forschung unter Weltraumbedingungen
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Physics in Space
Deposited By: Brillo, Dr.rer.nat. Jürgen
Deposited On:10 Feb 2020 07:21
Last Modified:10 Feb 2020 07:21

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