Paper Title:
Throwing Power during Electrophoretic Deposition
  Abstract

The deposit can induce an extra potential drop near the electrode, depending on the suspension composition. This can result in a levelling off of the deposition rate in a constant-voltage deposition process. The magnitude of the extra voltage drop determines the uniformity of the deposit as function of the uniformity of the electric field present at the deposition electrode. It was experimentally proven that a uniform Al2O3 coating thickness was obtained in a non-homogeneous electrical field in ethanol with addition of HNO3, while the coating thickness varied uniformly with the E-field strength for a MEK with n-butylamine based suspension. The uniformity of the coating deposited from these suspensions was related to the measured potential drop over the deposit during electrophoretic deposition.

  Info
Periodical
Edited by
A.R. Boccaccini, O. Van der Biest and R. Clasen
Pages
187-194
DOI
10.4028/www.scientific.net/KEM.314.187
Citation
G. Anné, B. Neirinck, K. Vanmeensel, O. Van der Biest, J. Vleugels, "Throwing Power during Electrophoretic Deposition", Key Engineering Materials, Vol. 314, pp. 187-194, 2006
Online since
July 2006
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Price
$32.00
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