Journal
JOURNAL OF APPLIED PHYSICS
Volume 114, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4826529
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Funding
- EU [FP7-266529 BY-NanoERA, PIRSES-2012-318617 FAEMCAR, FP7-PEOPLE-2013-IRSES-610875 NAmiceMC, BRFFI F12Lat-007]
- European Social Fund under the Global Grant measure (Lithuanian team)
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A comprehensive analysis of electrical, electromagnetic (EM), mechanical, and thermal properties of epoxy resin composites filled with 0.25-2.0wt. % of carbon additives characterized by high surface area, both nano-sized, like carbon nanotubes (CNTs) and carbon black (CBH), and micro-sized exfoliated graphite (EG), was performed. We found that the physical properties of both CNTs- and CBH-based epoxy resin composites increased all together with filler content and even more clearly for CBH than for CNTs. In the case of EG-based composites, good correlation between properties and filler amount was observed for concentrations below 1.5 wt. %. We conclude that CBH and, to a lower extent, EG could replace expensive CNTs for producing effective EM materials in microwave and low-frequency ranges, which are, in addition, mechanically and thermally stable. (C) 2013 AIP Publishing LLC.
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