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Microstructural Evidence of Interactions in Si3N4/Polysilazane Systems

Published online by Cambridge University Press:  25 February 2011

Kenneth B. Schwartz  and
Yigal D. Blum
Yigal D. Blum
Affiliation:
SRI International, 333 Ravenswood Avenue, Menlo Park, CA 94025
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Abstract

Compression molded bodies fabricated from commercial Si3N4 powder using a polysilazane precursor to Si3N4 as a preceramic binder have been characterized. The process has been partially optimized and can produce green bodies with densities approaching 75% theoretical and considerable mechanical strength. Microstructural development during binder pyrolysis and high-temperature treatment indicate significant interactions and bonding between the commercial powder and the polymer-derived material.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 121: Symposium H – Better Ceramics Through Chemistry III , 1988 , 483
Copyright
Copyright © Materials Research Society 1988

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References

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