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| Title: | Dispersion and reinforcing mechanism of carbon nanotubes in epoxy nanocomposites |
| Authors: | Bal, S |
| Keywords: | Carbon nanotubes
epoxy
flexural modulus
electrical conductivity
glass transition temperature |
| Issue Date: | 2010 |
| Publisher: | Indian Academy of Sciences |
| Citation: | Bulletin of Materials Science, Vol 33, No 1, P 27-31 |
| Abstract: | Carbon nanotube based epoxy composites have been fabricated at room temperature and refrigeration
process using sonication principle. Flexural moduli, electrical conductivity, glass transition temperature
of epoxy resin as well as nanocomposite samples have been determined. Distribution behaviour of carbon
nanotubes in the epoxy matrix was examined through scanning electron microscopy. Composite samples
showed better properties than resin samples due to strengthening effect of the filled nanotubes. Refrigerated
nanocomposites obtained increasing mechanical property because of better dispersion due to low temperature
settlement of polymers. Improvement of electrical conductivity was due to the fact that aggregated phases
form a conductive three-dimensional network throughout the whole sample. The increasing glass transition
temperature was indicative of restricting movement of polymer chains that ascribe strong interaction presented
between carbon nanotubes and epoxy chains tha... |
| Description: | Copyright for the published version belongs to Indian Academy of Sciences |
| URI: | http://www.ias.ac.in/matersci/index.html
http://hdl.handle.net/2080/1218 |
| Appears in Collections: | Journal Articles
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| sbal.pdf | | 604Kb | Adobe PDF | View/Open |
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