4.3 Article

Surface tension and density of oxygen-free liquid aluminum at high temperature

Journal

INTERNATIONAL JOURNAL OF THERMOPHYSICS
Volume 24, Issue 1, Pages 277-286

Publisher

SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/A:1022466319501

Keywords

aluminum; density; high temperature; image analysis; levitation; surface tension

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New values of densities rho and surface tensions sigma of liquid aluminum obtained in the range 1600 to 2360 K by contactless techniques in neutral gases are reported. Conditions for oxygen-free aluminum are fulfilled which allow determination of the surface tension of aluminum. Extrapolation to the melting point, T-m = 933 K, confirms the value of sigma(T= 933 K) = 1.05 N.m(-1).

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