Elsevier

Thermochimica Acta

Volume 218, 3 May 1993, Pages 445-453
Thermochimica Acta

Surface tension measurements on levitated aspherical liquid nickel drops

https://doi.org/10.1016/0040-6031(93)80443-EGet rights and content

Abstract

An improved method for measuring the surface tension of liquid metals is presented. Surface oscillations of an electromagnetically levitated liquid nickel droplet are observed by a high speed video camera and digital image processing is used to evaluate the obtained spectra. Identification of the oscillation modes increases the precision of measurements significantly. In our experiments on Nickel we found a very good reproducibility and a decrease of surface tension with increasing temperature.

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