Paper Titles
Role of α-SiAlON Nuclei Addition on the Rod-Like Y-Sm α-SiAlON Formation
p.101
Vacuum Heat Treatment of MgO -Densified Pressureless Sintered Silicon Nitride Ceramics
p.107
The Intergranular Oxynitride Microstructure in Silicon Nitride Based Ceramics
p.113
Influence of Type of Cations on Intergranular Phase Crystallisation of SiAlON Ceramics
p.119
Silicon Nitride – Carbon Nanotube Composites
p.123
Particle -Reinforced SiAlONs for Cutting Tools
p.129
ZrO2-TiN Composites
p.135
Effect of Fibre Heat-Treatment on Nicalon SiC Fibre Reinforced β-SiAlON Matrix Composites
p.141
Corrosion Resistance of β-SiAlON-Based Ceramics Against Molten Steel
p.147

Silicon Nitride – Carbon Nanotube Composites

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Abstract:

Multiwall carbon nanotube reinforced silicon nitride composites have been prepared by hot isostatic pressing. A manufacturing process has been worked out to avoid the damage of nanotubes during sintering. This method provides their preservation even in severe circumstances at temperature 1700°C and gas pressure 20 MPa. As shown by scanning and transmission electron microscopy after low and high pressure processing, carbon nanotubes have good adherence to the silicon nitride grains. Moreover, carbon nanotubes have been found to be located not only at grain surfaces, but in several cases they are well integrated with the silicon nitride grains. Composites with higher strengths can be obtained by increasing the nitrogen gas pressure.

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Periodical:

Materials Science Forum (Volume 554)

Pages:

123-128

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.554.123

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Online since:

August 2007

Authors:

Csaba Balázsi, Zsolt Czigány, Ferenc Wéber, Zoltán Kónya, Zófia Vértesy, László Péter Biró, Imre Kiricsi, Péter Arató

Keywords:

Carbon Nanotube (CN), Composite

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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