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Surface tension measurements on liquid metals in microgravity

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Abstract

The results of surface tension measurements on liquid metals and alloys, performed in microgravity, are presented. Using electromagnetic levitation and the oscillating drop technique, the surface tension of gold, gold-copper, and zirconium-nickel was measured. We find excellent agreement with available results obtained on earth by the same technique, but only if the latter are corrected to account for gravity effects. This not only shows the necessity for the correction of surface tension data derived from earthbound oscillating drop experiments but also proves its correctness.

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Author notes

  1. Julian Szekely (Professor)

    Present address: Department of Materials Science and Engineering, Massachusetts Institute of Technology, 02139, Cambridge, MA

Authors and Affiliations

  1. the Institute for Space Simulation, German Aerospace Research Establishment, D-51170, Cologne, Germany

    Ivan Egry (Professor, GERD JACOBS, Graduate Research Assistant) & Georg Lohoefer (Research Scientist)

  2. The Gillette Company, 02127, Boston, MA

    Elliot Schwartz (Research Scientist)

  3. Dornier GmbH, D-88039, Friedrichshafen, Germany

    Petra Neuhaus (Research Scientist)

Authors
  1. Ivan Egry
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  2. Georg Lohoefer
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  3. Elliot Schwartz
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  4. Julian Szekely
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  5. Petra Neuhaus
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Egry, I., Lohoefer, G., Schwartz, E. et al. Surface tension measurements on liquid metals in microgravity. Metall Mater Trans B 29, 1031–1035 (1998). https://doi.org/10.1007/s11663-998-0071-5

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  • DOI: https://doi.org/10.1007/s11663-998-0071-5

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