Abstract
An alumina suspension containing 21 vol. % solids was made to flow through a needle at rates between 10-12–10-11 m3 s-1 and was subjected to electrostatic atomization at different applied voltages in the range 5–13 kV. The resulting modes of atomization were studied. The stable cone-jet mode was first obtained at 7 kV and 2.2×10-12 m3 s-1 and the effect of increasing flow rate and applied voltage on the jet diameter was investigated. Using a pointed ground electrode the alumina droplets produced by the jet in the stable cone-jet mode were printed according to a pre-determined architecture. Alumina relic diameters in the print were <35 μm.
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PACS
81.05.Je; 81.20.Ev; 81.20.Rg; 81.15.Pq; 47.27.Wg
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Jayasinghe, S., Edirisinghe, M. Electrostatic atomization of a ceramic suspension at pico-flow rates. Appl. Phys. A 80, 399–404 (2005). https://doi.org/10.1007/s00339-003-2324-0
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DOI: https://doi.org/10.1007/s00339-003-2324-0