Influence of Washing on Zirconia Powder for Electrophoretic Deposition

The effects of powder washing on the colloidal stability and electrophoretic deposition rate of 3‐mol%‐Y2O3‐doped tetragonal‐ZrO2 powder from ethanol suspensions are shown experimentally. Simultaneous acoustic and electroacoustic measurements make it possible to determine independently particle size...

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Veröffentlicht in:	Journal of the American Ceramic Society 2001-03, Vol.84 (3), p.666-668
Hauptverfasser:	Hatton, Benjamin D., Sakka, Yoshio
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals deposition Exact sciences and technology Miscellaneous Technical ceramics washing zeta potential
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The effects of powder washing on the colloidal stability and electrophoretic deposition rate of 3‐mol%‐Y2O3‐doped tetragonal‐ZrO2 powder from ethanol suspensions are shown experimentally. Simultaneous acoustic and electroacoustic measurements make it possible to determine independently particle size and zeta‐potential in concentrated ethanol suspension. It is suggested that ionic (Na+) surface contamination, which is reduced by laundering cycles, is the cause of the low zeta‐potential and deposition rate of the as‐received powder.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/j.1151-2916.2001.tb00722.x