Surface Characterization of Zirconia After Reaction with Water

Surface Characterization of Zirconia After Reaction with Water

Ultrafine ZrO2, Y2O3, and TZP (ZrO2+‐3 mol% Y2O3) powders were reacted with water under various conditions; hydration of their particle surfaces was investigated by measuring electrophoretic mobilities. The mobilities were independent of pH after the reaction at 250° to 300°C for 240 h, indicating t...

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Veröffentlicht in:Journal of the American Ceramic Society 1987-09, Vol.70 (9), p.C-212-C-213
Hauptverfasser: Kagawa, Masahiro, Omori, Mamoru, Syono, Yasuihiko, Imamura, Yoko, Usui, Shinnosuke
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Technical ceramics
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Zusammenfassung:Ultrafine ZrO2, Y2O3, and TZP (ZrO2+‐3 mol% Y2O3) powders were reacted with water under various conditions; hydration of their particle surfaces was investigated by measuring electrophoretic mobilities. The mobilities were independent of pH after the reaction at 250° to 300°C for 240 h, indicating that the surface is not hydrated. Refluxing of the powders in water for 170 h brought about a pH dependence of mobility, indicating hydration of the surface.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1987.tb05744.x