Abstract
The rate of cathodic electrophoretic deposition (EPD) of silicon monoxide particles was accelerated by using a sacrificial anode such as stainless steel or zinc in an acetone bath containing iodine. In contrast, the use of an inert anode such as Pt inhibited deposition. In the former cases, anodic dissolution or corrosion of the metal plate occurred due to the presence of iodide ions in the bath. The metal ions produced adsorbed onto surface hydroxyl groups of oxide particles together with protons. As a result, a positive suspension ζ-potential was achieved using the sacrificial anode. The electrophoretic deposition mechanisms are discussed briefly, and the utility of a sacrificial anode in EPD is demonstrated.
