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Surface tension measurements of refractory liquids using the modified drop weight method

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Abstract

Liquid surface tension measurements using the sessile drop, pendant drop and drop weight methods are discussed. These measurements refer to high temperature materials which melt at temperatures greater than 2000° C. The liquid surface tension of copper was determined to be 1212 dyn/cm at its melting point, and that of Al2O3 to be 600 dyn/cm at its melting point. Discussion is presented giving preference to the drop weight method.

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Authors and Affiliations

  1. Technical Staffs Division, Corning Glass Works, Corning, New York, USA

    R. N. McNally, H. C. Yeh & N. Balasubramanian (Ph.D candidate)

  2. School of Mining and Metallurgy, Columbia University, New York, NY, USA

    N. Balasubramanian (Ph.D candidate)

Authors
  1. R. N. McNally
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  2. H. C. Yeh
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  3. N. Balasubramanian
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employed at the Corning Glass Works during the summer of 1966.

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McNally, R.N., Yeh, H.C. & Balasubramanian, N. Surface tension measurements of refractory liquids using the modified drop weight method. J Mater Sci 3, 136–138 (1968). https://doi.org/10.1007/BF00585480

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  • DOI: https://doi.org/10.1007/BF00585480

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