Characterization of defects in carbon fiber-reinforced plastics by inverse heat conduction analysis using transfer matrix between layers

Mayu Muramatsu, Shogo Nakasumi, Yoshihisa Harada

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study, inverse analyses of the defects in carbon fiber-reinforced plastics (CFRPs) are performed using the transfer matrix approach. The material properties used in the calculation were obtained on the basis of mixture laws for epoxy resin and carbon fibers. The accuracy of the inverse analysis was confirmed by calculations employing numerical models of CFRP plates with PAN-based and pitch-based carbon fibers containing defects. The inverse analysis was conducted based on the temperature distribution of CFRP laminates with PAN-based carbon fibers, which was obtained by infrared measurements. The analyses successfully estimated the positions of defects, and the effectiveness of the transfer matrix method for CFRPs was demonstrated through the inverse analysis.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalAdvanced Composite Materials
DOIs
Publication statusAccepted/In press - 2016 Feb 21
Externally publishedYes

Fingerprint

Carbon fiber reinforced plastics
Heat conduction
Carbon fibers
Defects
Plastic laminates
Epoxy Resins
Transfer matrix method
Epoxy resins
Numerical models
Materials properties
Temperature distribution
Infrared radiation
carbon fiber reinforced plastic
carbon fiber

Keywords

  • carbon fiber-reinforced plastic
  • defect
  • heat conduction
  • inverse analysis
  • transfer matrix

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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AU - Muramatsu, Mayu

AU - Nakasumi, Shogo

AU - Harada, Yoshihisa

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AB - In this study, inverse analyses of the defects in carbon fiber-reinforced plastics (CFRPs) are performed using the transfer matrix approach. The material properties used in the calculation were obtained on the basis of mixture laws for epoxy resin and carbon fibers. The accuracy of the inverse analysis was confirmed by calculations employing numerical models of CFRP plates with PAN-based and pitch-based carbon fibers containing defects. The inverse analysis was conducted based on the temperature distribution of CFRP laminates with PAN-based carbon fibers, which was obtained by infrared measurements. The analyses successfully estimated the positions of defects, and the effectiveness of the transfer matrix method for CFRPs was demonstrated through the inverse analysis.

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