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Noncontact surface tension measurement by drop rotation

Rhim, Won-Kyu and Ishikawa, Takehiko (2001) Noncontact surface tension measurement by drop rotation. Review of Scientific Instruments, 72 (9). pp. 3572-3575. ISSN 0034-6748.

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Validity of the surface tension measurement technique that was proposed by Elleman et al. was experimentally verified. The technique was based on Brown and Scriven's work on the shape evolution of rotating drops. Molten tin and aluminum drops were levitated in high vacuum by the electrostatic levitator and rotated by applying a rotating magnetic field. This technique offers an alternative technique for those liquids where the drop oscillation technique cannot be used. As a demonstration, the technique was applied to a glass-forming alloy (Zr41.2Ti13.8Cu12.5Ni10.0Be22.5) and its surface tension was measured down to the lower temperature where the drop oscillation technique could not be applied due to its high viscosity.

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Additional Information:©2001 American Institute of Physics. (Received 7 March 2001; accepted 4 June 2001) The authors would like to acknowledge Dr. Paul-François Paradis for his help in the data taking process and Daniel Barber for his technical support. One of the authors (T. I.) would like to thank NASDA of Japan for the support it provided during his one year stay at JPL. This work was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.
Subject Keywords:drops; surface tension measurement; rotation; liquid metals
Issue or Number:9
Record Number:CaltechAUTHORS:RHIrsi01
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1393
Deposited By: Archive Administrator
Deposited On:14 Jan 2006
Last Modified:02 Oct 2019 22:43

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