Electric Current Analysis of Addressable Conducting Network for Damage Monitoring

Abstract

As delamination cracks are usually invisible, it is difficult to identify delamination cracks within carbon-fiber reinforced polymer (CFRP)composite laminates. The difficulties in finding laminate damage by visual inspection raises the need of monitoring methods that use electric resistance changes within the laminates. The method adopts conductive carbon fibers as sensors as well as mechanical reinforcements, that is, in a sense self-sensing. In the present study, the new analysis method is extended to a new electric current arrangement that is used for the addressable conducting network (ACN). The addressable conducting network adopts grid type electrodes mounted on the both sides of the target CFRP laminate in orthogonal direction.

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Document Details

Document Type
Technical Report
Publication Date
Mar 05, 2018
Accession Number
AD1057186

Entities

People

  • Akira Todoroki

Organizations

  • Tokyo Institute of Technology

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force Research Laboratories
  • Carbon Fiber Reinforced Polymer
  • Carbon Fibers
  • Composite Materials
  • Current Density
  • Delamination
  • Electric Current
  • Electrical Conductivity
  • Equations
  • Fiber Reinforced Polymers
  • Grids
  • Laminates
  • Lead Wires
  • Materials
  • Materials Laboratories
  • Three Dimensional
  • Voltage

Readers

  • Computer Networking
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Reinforced Composite Materials