Development of CNT-Silicon Nitrides with Improved Mechanical and Electrical Properties

Abstract:

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This work is focusing on exploring preparing processes to tailor the microstructure of carbon nanotube (CNT) reinforced silicon nitride-based ceramic composites. Samples with different porosity’s and different amount (1, 3 or 5 wt%) of carbon nanotubes have been prepared by using gas pressure sintering or hot isostatic pressing. In comparison, composites with 1wt%, 5wt% or 10wt% carbon black and graphite have been manufactured. We measured the room temperature mechanical and electrical properties, examined the micro and nano structure by X-ray diffraction and electron microscopy. It was found that it is possible to develop CNT-silicon nitride composite for applications where a decent electric conductivity and good mechanical properties are required.

Info:

Periodical:

Edited by:

P. VINCENZINI

Pages:

1723-1728

DOI:

10.4028/www.scientific.net/AST.45.1723

Citation:

C. Balázsi et al., "Development of CNT-Silicon Nitrides with Improved Mechanical and Electrical Properties", Advances in Science and Technology, Vol. 45, pp. 1723-1728, 2006

Online since:

October 2006

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$35.00

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