Effect of Particle Size Distribution and Sedimentation Behaviour on Electrophoretic Deposition of Ceramic Suspensions

Abstract:

By systematic interaction of sedimentation and electrical field in electrophoretic deposition the particle size distribution of the deposited green body can be influenced. This can be employed for producing coatings with a very smooth surface by deposition of only the nanosized fraction of a conventional powder with broad or non-monomodal size distribution, thus avoiding preceding classification. In this paper, the preparation of stabilised slurries is described focussing on the criteria particle size distribution, zeta-potential and sedimentation behaviour. The effectiveness of the interaction of sedimentation and electrophoretic deposition is to be shown.

• Periodical: Key Engineering Materials (Volume 314)
• Pages: 69-74
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.314.69
• Online since: July 2006
• Authors: Sylvia Bonnas, Jan Tabellion, Jürgen Haußelt
• Keywords: Electrophoretic Deposition (EPD), Particle Size Distribution (PSD), Sedimentation

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