Interfacial tension and flotation characteristics of liquid metal-sodium flux systems

T. Utigard; J. M. Toguri; T. Nakamura

doi:10.1007/BF02655081

Interfacial tension and flotation characteristics of liquid metal-sodium flux systems

T. Utigard, J. M. Toguri, T. Nakamura

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Interfacial tensions between two liquid phases are discussed based on Dupre's and Good's equations. Thermodynamically, it is argued that the interfacial tension will always be less than the sum of the surface tensions of the two pure phases. The interfacial tensions between different metals and sodium fluxes were measured using the sessile drop technique combined with X-ray radiography. The metal-flux systems studied were Ag, Bi, Cu, Pb, and Sn with NaF, NaCl, Na₂CO₃, Na₃AlF₆, and Na₂OSiO₂. The interfacial tension decreased with temperature for all the systems studied. For a given flux, the highest value of the interfacial tension was obtained for the system with the largest value of the surface tension of the metal. The average value of Good's interaction parameter was 0.31 for metals and sodium fluxes. The lowest value of the interaction parameter was obtained when using cryolite as flux.

Original language	English
Pages (from-to)	339-346
Number of pages	8
Journal	Metallurgical Transactions B
Volume	17
Issue number	2
DOIs	https://doi.org/10.1007/BF02655081
Publication status	Published - 1986 Jun 1

ASJC Scopus subject areas

Engineering(all)

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Utigard, T., Toguri, J. M., & Nakamura, T. (1986). Interfacial tension and flotation characteristics of liquid metal-sodium flux systems. Metallurgical Transactions B, 17(2), 339-346. https://doi.org/10.1007/BF02655081

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