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Lightning Strike Damage of CF/Epoxy Composite Laminates with Conductive Polymer Layers

Conference ·
 [1];  [2];  [1];  [3];  [4];  [4]
  1. The University of Tokyo
  2. ORNL
  3. Japan Aerospace Exploration Agency (JAXA), Tokyo
  4. Tokyo University of Agriculture and Technology
Carbon fiber reinforced plastics (CFRPs) are prone to severe damages by lightning strikes due to their low electrical conductivity. Current lightning strike protection (LSP) technology generally consists of metal foils/films on the surface of composite airframe structures. The present work aims to introduce all polymeric conductive layer for LSP of CFRP structures. Intrinsic conductive polymer i.e. Polyaniline (PANI) is used to make a thermosetting polymer mixture. CFRPs coated with this electrically conductive, all polymeric layer was tested against simulated lighting strike. It has been shown that PANI-LSP specimens dissipated the lightning current effectively and provided enough residual mechanical properties of CFRPs.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
OSTI ID:
1545562
Country of Publication:
United States
Language:
English

References (10)

Electrical and thermal property enhancement of fiber-reinforced polymer laminate composites through controlled implementation of multi-walled carbon nanotubes journal November 2012
Development and characterization of CFRP using a polyaniline-based conductive thermoset matrix journal September 2015
Mechanical and electrical properties of PANI-based conductive thermosetting composites journal May 2015
Irreversible tunability of through-thickness electrical conductivity of polyaniline-based CFRP by de-doping journal November 2017
Lightning damage suppression in a carbon fiber-reinforced polymer with a polyaniline-based conductive thermoset matrix journal April 2016
Damage response of composites coated with conducting materials subjected to emulated lightning strikes journal February 2018
Scavenging phenomenon and improved electrical and mechanical properties of polyaniline–divinylbenzene composite in presence of MWCNT journal November 2017
Lightning strike protection of composites journal January 2014
Experimental study to assess the effect of carbon nanotube addition on the through-thickness electrical conductivity of CFRP laminates for aircraft applications journal July 2015
The enhancement effect of carbon-based nano-fillers/polyaniline hybrids on the through-thickness electric conductivity of carbon fiber reinforced polymer journal February 2018

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