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- Article name
- Carbon nanotubes to reinforce fiber composites upon epoxy matrices
- Authors
- DVORETSKIIY A. E., , advoretsky@kompozit-mv.ru, Joint-stock company "Kompozit", Korolev, Moscow region, Russia
DEMICHEV V. I., , info@kompozit-mv.ru, JSC "Composite", Korolyov, Moscow region, Russia
SHUMOV A. E., , a-shumov@yandex.ru, Khrunichev State Research and Production Space Center, Moscow, Russia
KRESTININ A. V., , kresti@icp.ac.ru, Institute of Problems of Chemical Physics, RAS, Chernogolovka, Moscow region, Russia
ALEXANDROV N. G., , ang57@bk.ru, Khrunichev State Research and Production Space Center, Moscow, Russia
- Keywords
- fiber composites / epoxy matrix / single-wall carbon nanotubes / nanocomposites
- Year
- 2017 Issue 3 Pages 34 - 47
- Code EDN
- Code DOI
- Abstract
- The upper limit for nanocomposite elastic modulus has been estimated for 1D-, 2D-, and 3D-homogeneous distribution of nanotubes in a polymer matrix. It is shown that the best experimental data on the epoxy matrix reinforcement by adding single-walled carbon nanotubes (SWCNT) are close to the upper limits for nanocomposite modulus reinforcement. It is shown that these results cannot be achieved in case nanotubes act in the matrix independently. The conclusion is made that nanotubes form a continuous reinforcing mesh inside the epoxy matrix. The effect the authors have found earlier for reinforcing fiber composites prepared by a prepreg technology using ENFB-binder added with SWCNT-nanomodifier of a very-low concentration (~ 0.008 %) was explained. This is because the extremely thin layers of the SWCNT/epoxy nanocomposites of high nanotube concentration are formed between composite layers. Using a unidirectional layer of the carbon-fiber composite the obtained results were compared to ones presented by Nanocyl S. A. Beldgim (EPOCYL™ NCR2HM-01 nanomodifier).
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