Crystalaliquid interfacial free energy and thermophysical properties of pure liquid Ti using electrostatic levitation: Hypercooling limit, specific heat, total hemispherical emissivity, density, and interfacial free energy

Thermophysical properties of liquid Ti are measured by a newly developed electrostatic levitation. In this study, we measure a hypercooling limit (IThyp), specific heat (Cp), total hemispherical emissivity (ImT), and density (I) of liquid Ti. The IThyp of the liquid Ti is 341 K. The Cp of the liquid...

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Bibliographic Details
Published inThe Journal of chemical thermodynamics Vol. 63; pp. 1 - 6
Main Authors Lee, Geun, Jeon, Sangho, Park, Cheolmin, Kang, Dong-Hee
Format Journal Article
LanguageEnglish
Published 01.08.2013
Subjects
Density
Electrostatics
Emissivity
Free energy
Liquids
Specific heat
Thermophysical properties
Titanium
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Summary:Thermophysical properties of liquid Ti are measured by a newly developed electrostatic levitation. In this study, we measure a hypercooling limit (IThyp), specific heat (Cp), total hemispherical emissivity (ImT), and density (I) of liquid Ti. The IThyp of the liquid Ti is 341 K. The Cp of the liquid Ti shows very weak temperature dependence during supercooling. The ImT and I of the liquid Ti are given by 0.329 and I(T) (g/cm3) = (4.16 a 2.36) ADT 10a4 (T a Tm). Finally, the interfacial free energy is estimated with the measured thermophysical parameters. The interfacial free energy is 0.164 J/m2, and Turnbullas coefficient is 0.48.
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ISSN:0021-9614
DOI:10.1016/j.jct.2013.03.012