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Experimental study of the liquid/liquid interfacial tension in immiscible Al–Bi system

  • Ivan Kaban , Walter Hoyer EMAIL logo and Markus Merkwitz
Published/Copyright: January 25, 2022
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Abstract

The liquid/liquid interfacial tension in the demixing Al –Bi system has been measured between the monotectic temperature (Tm ≈ 657 °C) and 940 °C. The interfacial tension equals 56.7 ± 3.5 mJ/m2 at 660 °C and it decreases with increasing temperature. It is shown that the interfacial tension is proportional to (1 – T/Tc)δ, where T is the absolute temperature and Tc is the critical temperature. The critical-point exponent δ determined from the experimental data is ≈ 1.3.


Prof. W. Hoyer Technische Universität Chemnitz Institut für Physik D-09107 Chemnitz, Germany Tel.: +49 371 531 8208 Fax: +49 371 531 3555

  1. Funding for this research was provided by the Deutsche Forschungsgemeinschaft under grant HO 1688/8-1 in the frame of Schwerpunktprogramm 1120 “Phasenumwandlungen in mehrkomponentigen Schmelzen”.

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Received: 2003-01-27
Published Online: 2022-01-25

© 2003 Carl Hanser Verlag, München

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