Enhanced through-thickness electrical conductivity and lightning strike damage response of interleaved vertically aligned short carbon fiber composites

Through-thickness electrical conductivity of carbon fiber reinforced polymers (CFRPs) is a key characteristic that determines the severity of lighting strike-induced damage. Carbon Fibers (CFs) are inherently electrically conductive and therefore provide high conductivity in the direction of the fib...

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Bibliographic Details
Published in:Composites. Part B, Engineering Engineering, 2023-03, Vol.253, p.110535, Article 110535
Main Authors: Kumar, Vipin, Lin, Wenhua, Wang, Yeqing, Spencer, Ryan, Saha, Subhabhrata, Park, Chanyeop, Yeole, Pritesh, Hmeidat, Nadim S., Herring, Cliff, Rencheck, Mitchell L., Pokkalla, Deepak Kumar, Hassen, Ahmed A., Theodore, Merlin, Vaidya, Uday, Kunc, Vlastimil
Format: Article
Language:English
Subjects:
Carbon fiber epoxy composites
Damage tolerance
ENGINEERING
Lightning strike
Residual strength
Vertically aligned short fiber composites
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Summary:Through-thickness electrical conductivity of carbon fiber reinforced polymers (CFRPs) is a key characteristic that determines the severity of lighting strike-induced damage. Carbon Fibers (CFs) are inherently electrically conductive and therefore provide high conductivity in the direction of the fiber orientation. However, electrical conductivities through the thickness and orthogonal to the CF orientation in CFRPs are governed by the insulating polymer matrix present between CFs. In this work, through the thickness alignment of short CFs in between layers of CFRP laminates is demonstrated to improve the through-thickness electrical conductivity. Composites with interleaved vertically aligned short CF fibers (
ISSN:1359-8368
1879-1069
DOI:10.1016/j.compositesb.2023.110535