Modeling Density Contributions in Preceramic Polymer/Ceramic Powder Systems

Modeling Density Contributions in Preceramic Polymer/Ceramic Powder Systems

A model is presented that examines the mixing of ceramic powders with preceramic polymer binders that are converted to ceramic material on pyrolysis. Such polymer/powder systems, which have applications in the compaction of both SiC and Si3N4 powders, can be effective in increasing the green density...

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Veröffentlicht in:J. Am. Ceram. Soc.; (United States) 1986-05, Vol.69 (5), p.C-106-C-108
Hauptverfasser: Schwartz, K. B., Rowcliffe, D.J.
Format: Artikel
Sprache:eng
Schlagworte:
360201 - Ceramics, Cermets, & Refractories- Preparation & Fabrication
Applied sciences
Building materials. Ceramics. Glasses
CARBIDES
CARBON COMPOUNDS
CERAMICS
Chemical industry and chemicals
CHEMICAL REACTIONS
COMPACTING
DECOMPOSITION
DENSITY
Exact sciences and technology
MATERIALS SCIENCE
MECHANICAL PROPERTIES
NITRIDES
NITROGEN COMPOUNDS
PHYSICAL PROPERTIES
PNICTIDES
POLYMERS
POWDERS
PYROLYSIS
Refractory products
SILICON CARBIDES
SILICON COMPOUNDS
SILICON NITRIDES
Special refractories
THERMOCHEMICAL PROCESSES
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Beschreibung
Zusammenfassung:A model is presented that examines the mixing of ceramic powders with preceramic polymer binders that are converted to ceramic material on pyrolysis. Such polymer/powder systems, which have applications in the compaction of both SiC and Si3N4 powders, can be effective in increasing the green density of die‐pressed bodies. This model examines the relative importance of various physical parameters of the components of the system in maximizing the green density of the resulting pyrolyzed body.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1986.tb04782.x