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Fabrication of Si3 N4-TiN Nanocomposites via Various Routes

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Abstract:

Si3N4-based composite powders have been synthesized by vapor phase and liquid phase processes. Nano-sized Si3N4-TiN composite particles were formed by the vapor phase method, in which TiN nanocrystallites were included in amorphous Si3N4 particles. The composite powder was also formed by the liquid phase method, where Si and Ti complex imide powders were prepared in an organic solvent and decomposed by heating. Si3N4-TiN nanocomposites were fabricated by hot pressing of the composite powders. The Si3N4-TiN composites were also fabricated by in-situ process from amorphous Si3N4 and Y2O3-TiO2-AlN additive. In all processes, rod-like Si3N4 grain growth was stimulated by TiN inclusion.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

191-194

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.191

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Online since:

August 2006

Authors:

Junichi Hojo, Hironori Kugimoto, Masato Uehara, Naoya Enomoto

Keywords:

Composite Powders, In Situ Process, Nanocomposite, Titanium Nitride

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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