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  4. Silicon nitride-Nd2O3/Al2O3 powders prepared by precipitation of the oxide additives
 
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1994
Conference Paper
Titel

Silicon nitride-Nd2O3/Al2O3 powders prepared by precipitation of the oxide additives

Alternative
Siliciumnitrid-Nd2O3/Al2O3 Pulver, hergestellt durch Fällung der oxidischen Additive
Abstract
Silicon nitride-Nd2O3/Al2O3 powder mixtures were prepared by in-situ precipitation of the sintering additives as hydroxides from an aqueous nitrate solution. It is shown that the surface charge characteristics of these powders are determined by the oxide additive layer. TEM studies verify the precipitation of nanosized oxide particles on Si3N4. The influence of organic additives on the surface charge properties of the suspended powder is discussed with respect to the preparation and the processing of aqueous slurries.
Author(s)
Richter, H.J.
Hermel, W.
Hauptwerk
Silicon Nitride 1993. International Conference on Silicon Nitride-Based Ceramics. Proceedings
Konferenz
International Conference on Silicon Nitride-Based Ceramics 1993
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DOI
10.4028/www.scientific.net/KEM.89-91.693
Language
English
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Fraunhofer-Institut fĂĽr Keramische Technologien und Systeme IKTS
Tags
  • Fällung

  • Oberflächenladung

  • Oberflächenmodifizier...

  • oxide additives

  • oxidische Additive

  • precipitation

  • processing

  • Siliciumnitrid

  • silicon nitride

  • surface charge

  • surface modification

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