Engineered nanostructures for multifunctional single-walled carbon nanotube reinforced silicon nitride nanocomposites

Erica L. Corral, Joseph Cesarano, Amit Shyam, Edgar Lara-Curzio, Nelson Bell, John Stuecker, Nicola Perry, Matthew Di Prima, Zuhair Munir, Javier Garay, Enrique V. Barrera

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Colloidal processing was used to make highly dispersed aqueous composite suspensions containing single-wall carbon nanotubes (SWNTs) and Si 3N4 particles. The SWNTs and Si3N4 particles were stabilized into composite suspensions using a cationic surfactant at low pH values. Bulk nanocomposites containing 1.0, 2.0, and 6.0 vol% SWNTs were successfully fabricated using rapid prototyping. The survival of SWNTs was detected, using Raman spectroscopy, after high-temperature sintering, up to 1800°C. The nanocomposites have densities up to 97% of the composite theoretical density. The engineered nanostructures reveal an increase in grindability and damage tolerance behavior over the monolithic ceramic. We also observed toughening mechanisms such as SWNT crack bridging and pull-out, indicating that SWNTs have the potential to serve as toughening agents in ceramics. Increased fracture toughness values over the monolithic Si 3N4 were observed for the 2.0-vol% SWNT-Si 3N4 nanocomposite when a given sintered microstructure was present. We report here the effects of colloidal processing on mechanical behavior of SWNT reinforced nonoxide ceramic nanocomposites.

Original languageEnglish
Pages (from-to)3129-3137
Number of pages9
JournalJournal of the American Ceramic Society
Volume91
Issue number10
DOIs
Publication statusPublished - Oct 2008
Externally publishedYes

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Carbon Nanotubes
Single-walled carbon nanotubes (SWCN)
Silicon nitride
Nanostructures
Carbon nanotubes
Nanocomposites
Toughening
Suspensions
Composite materials
Damage tolerance
silicon nitride
Cationic surfactants
Rapid prototyping
Processing
Raman spectroscopy
Fracture toughness
Sintering
Cracks
Microstructure

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Engineered nanostructures for multifunctional single-walled carbon nanotube reinforced silicon nitride nanocomposites. / Corral, Erica L.; Cesarano, Joseph; Shyam, Amit; Lara-Curzio, Edgar; Bell, Nelson; Stuecker, John; Perry, Nicola; Di Prima, Matthew; Munir, Zuhair; Garay, Javier; Barrera, Enrique V.

In: Journal of the American Ceramic Society, Vol. 91, No. 10, 10.2008, p. 3129-3137.

Research output: Contribution to journalArticle

Corral, EL, Cesarano, J, Shyam, A, Lara-Curzio, E, Bell, N, Stuecker, J, Perry, N, Di Prima, M, Munir, Z, Garay, J & Barrera, EV 2008, 'Engineered nanostructures for multifunctional single-walled carbon nanotube reinforced silicon nitride nanocomposites', Journal of the American Ceramic Society, vol. 91, no. 10, pp. 3129-3137. https://doi.org/10.1111/j.1551-2916.2008.02533.x
Corral, Erica L. ; Cesarano, Joseph ; Shyam, Amit ; Lara-Curzio, Edgar ; Bell, Nelson ; Stuecker, John ; Perry, Nicola ; Di Prima, Matthew ; Munir, Zuhair ; Garay, Javier ; Barrera, Enrique V. / Engineered nanostructures for multifunctional single-walled carbon nanotube reinforced silicon nitride nanocomposites. In: Journal of the American Ceramic Society. 2008 ; Vol. 91, No. 10. pp. 3129-3137.
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