Simulated lightning strike investigation of CFRP comprising a novel polyaniline/phenol based electrically conductive resin matrix

Traditional carbon fiber reinforced plastics (CFRPs) have been reported to exhibit lower electrical conductivity in the through-thickness direction, and have since paved the path for developing new resin systems to improve the through-thickness electrical conductivity and functionality of CFRP lamin...

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Bibliographic Details
Published in:Composites science and technology 2021-09, Vol.214 (C), p.108971, Article 108971
Main Authors: Zhou, Yu, Raghu, Swathi N.V., Kumar, Vipin, Okada, Takao, Yokozeki, Tomohiro
Format: Article
Language:English
Subjects:
Carbon fiber reinforced plastics
Electrical resistivity
Electrically conductive CFRP
Fiber reinforced plastics
Fiber reinforced polymers
Flexural strength
Laminates
Lightning strike protection
Lightning strikes
Lightning suppression
Phenols
Polyaniline
Polyanilines
Resins
Studies
Thickness
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Summary:Traditional carbon fiber reinforced plastics (CFRPs) have been reported to exhibit lower electrical conductivity in the through-thickness direction, and have since paved the path for developing new resin systems to improve the through-thickness electrical conductivity and functionality of CFRP laminates. This study designs and investigates a novel Polyaniline (PANI)/Phenol resin, which possesses high electrical conductivity and mechanical strength. The CFRP manufactured by this PANI/Phenol resin with an addition of up to (~23.30%) phenol resulted in 0.6 S/cm through-thickness conductivity and demonstrated flexural strength and modulus values of 477 MPa and 59.2 GPa, respectively. We further evaluate the effectiveness of lightning strike protection of PANI/Phenol-based conductive CFRP laminates with a simulated lightning strike test. In essence, this research reports on PANI/Phenol-based CFRP's effectiveness as a material for lightning suppression without applying traditional metal-based lightning strike protection (LSP) systems. [Display omitted]
ISSN:0266-3538
1879-1050
DOI:10.1016/j.compscitech.2021.108971