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Title: Polyaniline-based all-polymeric adhesive layer: An effective lightning strike protection technology for high residual mechanical strength of CFRPs

Abstract

Carbon fiber reinforced plastics (CFRPs) are vulnerable to lightning strikes due to their low electrical conductivity and low heat resistance. A lightning strike can damage CFRP structure catastrophically. Most common lightning strike protection (LSP) technology, consists of expanded metal foils/films on top of composite structures. This technology possesses disadvantages such as increased weight, galvanic corrosion, expensive integration and repair costs. In the present study, authors introduce a novel, easy to apply and all-polymeric LSP material. A doped intrinsic conductive polymer i.e. Polyaniline (PANI) dispersed in a thermosetting cross-linking polymer divinylbenzene (DVB) has been used to prepare an adhesive layer of 0.25–0.4 mm thickness. CFRP structure coated with PANI-based LSP layer, when tested against simulated lightning impulse current of 100 kA, demonstrated effective dissipation of the current, rendering almost 100% safety to the CFRP structure. PANI showed the capability to create a 3-D conductive network due to its self-assembling property, which makes it superior compared to its counterpart carbon/metal nano-filler based LSP technologies. Almost 100% residual strength of PANI-LSP protected CFRPs is reported in this work.

Authors:
ORCiD logo [1];  [2];  [3]; ORCiD logo [3];  [4];  [4];  [5];  [6]
  1. Univ. of Tokyo (Japan). Dept. of Aeronautics and Astronautics; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)
  2. Univ. of Tokyo (Japan). Dept. of Aeronautics and Astronautics
  3. Japan Aerospace Exploration Agency, Tokyo (Japan)
  4. Yamagata Univ., Yamagata (Japan). Dept. of Organic Device Engineering
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)
  6. Tokyo Univ. of Agriculture and Technology, Tokyo (Japan). Dept. of Mechanical Systems Engineering
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1494880
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Composites Science and Technology
Additional Journal Information:
Journal Volume: 172; Journal Issue: C; Journal ID: ISSN 0266-3538
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; Polyaniline; CFRP; Adhesive; Lightning Strike Protection; Multifunctional Composites

Citation Formats

Kumar, Vipin, Yokozeki, Tomohiro, Okada, Takao, Hirano, Yoshiyasu, Goto, Teruya, Takahashi, Tatsuhiro, Hassen, Ahmed Arabi, and Ogasawara, Toshio. Polyaniline-based all-polymeric adhesive layer: An effective lightning strike protection technology for high residual mechanical strength of CFRPs. United States: N. p., 2019. Web. doi:10.1016/j.compscitech.2019.01.006.
Kumar, Vipin, Yokozeki, Tomohiro, Okada, Takao, Hirano, Yoshiyasu, Goto, Teruya, Takahashi, Tatsuhiro, Hassen, Ahmed Arabi, & Ogasawara, Toshio. Polyaniline-based all-polymeric adhesive layer: An effective lightning strike protection technology for high residual mechanical strength of CFRPs. United States. doi:10.1016/j.compscitech.2019.01.006.
Kumar, Vipin, Yokozeki, Tomohiro, Okada, Takao, Hirano, Yoshiyasu, Goto, Teruya, Takahashi, Tatsuhiro, Hassen, Ahmed Arabi, and Ogasawara, Toshio. Wed . "Polyaniline-based all-polymeric adhesive layer: An effective lightning strike protection technology for high residual mechanical strength of CFRPs". United States. doi:10.1016/j.compscitech.2019.01.006.
@article{osti_1494880,
title = {Polyaniline-based all-polymeric adhesive layer: An effective lightning strike protection technology for high residual mechanical strength of CFRPs},
author = {Kumar, Vipin and Yokozeki, Tomohiro and Okada, Takao and Hirano, Yoshiyasu and Goto, Teruya and Takahashi, Tatsuhiro and Hassen, Ahmed Arabi and Ogasawara, Toshio},
abstractNote = {Carbon fiber reinforced plastics (CFRPs) are vulnerable to lightning strikes due to their low electrical conductivity and low heat resistance. A lightning strike can damage CFRP structure catastrophically. Most common lightning strike protection (LSP) technology, consists of expanded metal foils/films on top of composite structures. This technology possesses disadvantages such as increased weight, galvanic corrosion, expensive integration and repair costs. In the present study, authors introduce a novel, easy to apply and all-polymeric LSP material. A doped intrinsic conductive polymer i.e. Polyaniline (PANI) dispersed in a thermosetting cross-linking polymer divinylbenzene (DVB) has been used to prepare an adhesive layer of 0.25–0.4 mm thickness. CFRP structure coated with PANI-based LSP layer, when tested against simulated lightning impulse current of 100 kA, demonstrated effective dissipation of the current, rendering almost 100% safety to the CFRP structure. PANI showed the capability to create a 3-D conductive network due to its self-assembling property, which makes it superior compared to its counterpart carbon/metal nano-filler based LSP technologies. Almost 100% residual strength of PANI-LSP protected CFRPs is reported in this work.},
doi = {10.1016/j.compscitech.2019.01.006},
journal = {Composites Science and Technology},
number = C,
volume = 172,
place = {United States},
year = {2019},
month = {1}
}

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This content will become publicly available on January 9, 2020
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