Dispersion of Carbon Nanotubes in Polysilazanes for the Preparation of Reinforced Si-C-N Composites

L. Fernandez; Y. Li; M. Burghard; Z. Burghard; P. Gerstel; Joachim Bill; Fritz Aldinger

doi:10.4028/www.scientific.net/KEM.403.231

Paper Titles

Passive Oxidation Behavior of ZrB₂-SiC Eutectic Composite Prepared by Arc Melting
p.217

Fabrication and Mechanical Properties of TiN Nanoparticle-Dispersed Si₃N₄ Ceramics from Si₃N₄-Nano TiO₂ Composite Particles Obtained by Mechanical Treatment
p.221

Spark Plasma Sintering of Silicon Nitride-Boron Carbide Composites
p.225

In Situ Synthesis and Mechanical Properties of TiN-Si₂N₂O-Si₃N₄ Composites
p.227

Dispersion of Carbon Nanotubes in Polysilazanes for the Preparation of Reinforced Si-C-N Composites
p.231

Reaction Bonded Silicon Nitride - Silicon Carbide and SiAlON - Silicon Carbide Refractories for Aluminium Smelting
p.235

Tribological Characteristics of Carbon Nano-Fiber Dispersed Silicon Nitride Based Composites in High-Temperature Fuel
p.239

Preparation of β SiAlON-cBN Composites by Spark Plasma Sintering
p.241

A Novel Approach for Preparing Electrically Conductive SiAlON-TiN Composites by Spark Plasma Sintering
p.243

HomeKey Engineering MaterialsKey Engineering Materials Vol. 403Dispersion of Carbon Nanotubes in Polysilazanes...

Dispersion of Carbon Nanotubes in Polysilazanes for the Preparation of Reinforced Si-C-N Composites

Abstract:

The present contribution reports two different approaches to achieve a good dispersion of single-walled carbon nanotubes (SWCNTs) in a precursor-derived Si-C-N matrix, which represents an important prerequisite for attaining a high-performance material. The first approach involves the use of SWCNTs covalently functionalized by disilazane groups, aiming at enhanced interfacial interaction between the nanotube surface and the matrix. Within the second approach, the effect of an electrical field applied in the cross-linking step during the nanocomposite synthesis was studied toward the task of dispersing and simultaneously aligning the SWCNTs in the Si-C-N matrix.

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Periodical:

Key Engineering Materials (Volume 403)

Pages:

231-234

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.403.231

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Online since:

December 2008

Authors:

L. Fernandez, Y. Li, M. Burghard, Z. Burghard, P. Gerstel, Joachim Bill, Fritz Aldinger

Keywords:

Nanocomposite, Polymer Derived Ceramics, Reinforcement, SWCNTs

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