Preparation of Si3N4 composites with single wall carbon nanotube and exfoliated graphite

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Silicon nitride based composites with 3wt% of single wall carbon nanotubes and exfoliated graphite have been prepared. Optimisation of the manufacturing processes has been conducted to preserve the carbon nanotubes and exfoliated graphite in composites and to avoid damaging during high temperature processing. The first results show that carbon nanotubes and exfoliated graphite have a good contact to the surface of silicon nitride grains. In the case of increase of sintering pressure an increase of bending strength was achieved. It was found that microstructure features achieved by properly designed sintering parameters are the main responsible factors for the strength improvements.

Original languageEnglish
Pages (from-to)409-414
Number of pages6
JournalMaterials Science Forum
Volume589
DOIs
Publication statusPublished - 2008

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Carbon Nanotubes
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Carbon nanotubes
graphite
carbon nanotubes
Silicon nitride
silicon nitrides
preparation
composite materials
sintering
Composite materials
Sintering
flexural strength
Bending strength
manufacturing
microstructure
Microstructure
optimization
Processing
silicon nitride

Keywords

  • Exfoliated graphite
  • Mechanical properties
  • Silicon nitride
  • Singlewall carbon nanotubes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

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title = "Preparation of Si3N4 composites with single wall carbon nanotube and exfoliated graphite",
abstract = "Silicon nitride based composites with 3wt{\%} of single wall carbon nanotubes and exfoliated graphite have been prepared. Optimisation of the manufacturing processes has been conducted to preserve the carbon nanotubes and exfoliated graphite in composites and to avoid damaging during high temperature processing. The first results show that carbon nanotubes and exfoliated graphite have a good contact to the surface of silicon nitride grains. In the case of increase of sintering pressure an increase of bending strength was achieved. It was found that microstructure features achieved by properly designed sintering parameters are the main responsible factors for the strength improvements.",
keywords = "Exfoliated graphite, Mechanical properties, Silicon nitride, Singlewall carbon nanotubes",
author = "O. Koszor and F. W{\'e}ber and Z. V{\'e}rtesy and Z. Horv{\'a}th and Z. K{\'o}nya and L. B{\'i}r{\'o} and I. Kiricsi and P. Arat{\'o} and C. Bal{\'a}zsi",
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language = "English",
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TY - JOUR

T1 - Preparation of Si3N4 composites with single wall carbon nanotube and exfoliated graphite

AU - Koszor, O.

AU - Wéber, F.

AU - Vértesy, Z.

AU - Horváth, Z.

AU - Kónya, Z.

AU - Bíró, L.

AU - Kiricsi, I.

AU - Arató, P.

AU - Balázsi, C.

PY - 2008

Y1 - 2008

N2 - Silicon nitride based composites with 3wt% of single wall carbon nanotubes and exfoliated graphite have been prepared. Optimisation of the manufacturing processes has been conducted to preserve the carbon nanotubes and exfoliated graphite in composites and to avoid damaging during high temperature processing. The first results show that carbon nanotubes and exfoliated graphite have a good contact to the surface of silicon nitride grains. In the case of increase of sintering pressure an increase of bending strength was achieved. It was found that microstructure features achieved by properly designed sintering parameters are the main responsible factors for the strength improvements.

AB - Silicon nitride based composites with 3wt% of single wall carbon nanotubes and exfoliated graphite have been prepared. Optimisation of the manufacturing processes has been conducted to preserve the carbon nanotubes and exfoliated graphite in composites and to avoid damaging during high temperature processing. The first results show that carbon nanotubes and exfoliated graphite have a good contact to the surface of silicon nitride grains. In the case of increase of sintering pressure an increase of bending strength was achieved. It was found that microstructure features achieved by properly designed sintering parameters are the main responsible factors for the strength improvements.

KW - Exfoliated graphite

KW - Mechanical properties

KW - Silicon nitride

KW - Singlewall carbon nanotubes

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