Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 58, Issue 19, Pages 8131-8139Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.9b00956
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Funding
- National Sciences and Engineering Research Council of Canada (NSERC) [PGSD2-504550-2017, USRA-526502-2018]
- Canada Foundation for Innovation (CFI)
- Canada Research Chairs (CRC)
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This work explores the morphological, mechanical, fracture, dynamic mechanical, and thermal characteristics of epoxy nanocomposites using carbon nanofibers (CNFs), graphene nanoplatelets (GNPs), and a hybrid combination of CNFs/GNPs as fillers. These composites were processed with and without the use of surfactants. The addition of surfactant alone to neat epoxy reduced the fracture toughness, elongation at break, and the glass transition temperature. CNFs were found to significantly counteract the effect of surfactants to increase the fracture toughness and glass transition of the surfactant processed composites as compared to control. Dynamic mechanical analysis showed a marked increase in the damping, above neat epoxy, of all the nanocomposites.
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