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Surface tension measurements of liquid metals by the oscillating drop technique

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Abstract

An improved method for measuring the surface tension of liquid metals is proposed. Surface oscillations of an electromagnetically levitated liquid metal droplet are observed by a video camera and digital image processing is used to evaluate the spectrum of oscillations. A discussion of the theoretical background and a description of the experimental apparatus are presented. In addition, preliminary results on an FeNi sample, and an outlook for future experiments, including the measurement of viscosity, are given.

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  1. Institute for Space Simulation, German Aerospace Research Establishment, 5000, Köln-90, FRG

    I. Egry

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  1. I. Egry
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Egry, I. Surface tension measurements of liquid metals by the oscillating drop technique. J Mater Sci 26, 2997–3003 (1991). https://doi.org/10.1007/BF01124834

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  • DOI: https://doi.org/10.1007/BF01124834

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