Micromechanical characterization of single-walled carbon nanotube reinforced ethylidene norbornene nanocomposites for self-healing applications

Brahim Aissa, E. Haddad, W. Jamroz, S. Hassani, R. D. Farahani, P. G. Merle, D. Therriault

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We report on the fabrication of self-healing nanocomposite materials, consisting of single-walled carbon nanotube (SWCNT) reinforced 5-ethylidene-2-norbornene (5E2N) healing agent - reacted with ruthenium Grubbs catalyst - by means of ultrasonication, followed by a three-roll mixing mill process. The kinetics of the 5E2N ring opening metathesis polymerization (ROMP) was studied as a function of the reaction temperature and the SWCNT loads. Our results demonstrated that the ROMP reaction was still effective in a large temperature domain (1545°C), occurring at very short time scales (less than 1min at 40°C). On the other hand, the micro-indentation analysis performed on the SWCNT/5E2N nanocomposite material after its ROMP polymerization showed a clear increase in both the hardness and the Young modulus - up to nine times higher than that of the virgin polymer - when SWCNT loads range only from 0.1 to 2wt%. The approach demonstrated here opens new prospects for using carbon nanotube and healing agent nanocomposite materials for self-repair functionality, especially in a space environment.

Original languageEnglish
Article number105028
JournalSmart Materials and Structures
Volume21
Issue number10
DOIs
Publication statusPublished - Oct 2012
Externally publishedYes

Fingerprint

healing
Single-walled carbon nanotubes (SWCN)
Ring opening polymerization
Nanocomposites
nanocomposites
carbon nanotubes
metathesis
polymerization
Self-healing materials
rings
Carbon Nanotubes
Ruthenium
Indentation
aerospace environments
Carbon nanotubes
Polymers
Repair
indentation
Elastic moduli
Hardness

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Civil and Structural Engineering
  • Condensed Matter Physics
  • Mechanics of Materials
  • Materials Science(all)

Cite this

Micromechanical characterization of single-walled carbon nanotube reinforced ethylidene norbornene nanocomposites for self-healing applications. / Aissa, Brahim; Haddad, E.; Jamroz, W.; Hassani, S.; Farahani, R. D.; Merle, P. G.; Therriault, D.

In: Smart Materials and Structures, Vol. 21, No. 10, 105028, 10.2012.

Research output: Contribution to journalArticle

Aissa, Brahim ; Haddad, E. ; Jamroz, W. ; Hassani, S. ; Farahani, R. D. ; Merle, P. G. ; Therriault, D. / Micromechanical characterization of single-walled carbon nanotube reinforced ethylidene norbornene nanocomposites for self-healing applications. In: Smart Materials and Structures. 2012 ; Vol. 21, No. 10.
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