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Electrophoretic deposition of titania nanoparticles: Wet density of deposits during EPD

Morteza Farrokhi-Rad, Taghi Shahrabi, Shirin Khanmohammadi
2014 Bulletin of Materials Science  
Electrophoretic deposition (EPD) of titania nanoparticles was performed at different voltages and times. The wet density of deposits was calculated according to the Archimedes' principle. The wet density as well as the electric field over the deposits increased with time and attained the plateau at longer times. The velocity at which particles attach to the deposit, strongly influences its wet density at initial times. However, the effect of electro-osmotic flow is dominant at longer times. The
more » ... t longer times. The coating with higher wet density had the higher corrosion resistance in Ringer's solution at 37⋅5 °C due to its closely packed and crack free microstructure.
doi:10.1007/s12034-014-0042-1 fatcat:wqi5khc27vgzhid66ih6gmmzga