Carbon nanofiber-network sensor films for strain measurement in composites

Nguyen Quang Nguyen, Sangyoon Lee, Nikhil Gupta

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A carbon nanofiber-based sensor film is designed and calibrated for force measurement. The sensor is designed for use in structural health monitoring of composite materials. The sensing scheme is based on creating a network of carbon nanofibers on the surface of the composite material. In the experimental scheme a patch of nanofiber reinforced epoxy resin film is developed and adhesively bonded to the laminate. The extension of the sensor film due to the applied force leads to a change in the connectivity of carbon nanofibers in the film, resulting in the change in the resistance of the network. Results show that such sensing schemes have high sensitivity and repeatability. Use of nanofibers can provide a low cost and more efficient alternative to other sensor films that rely on carbon nanotubes.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III
Pages53-59
Number of pages7
Volume1129
StatePublished - 2009
EventMaterials and Devices for Smart Systems III - 2008 MRS Fall Meeting - Boston, MA, United States
Duration: Dec 1 2008Dec 4 2008

Other

OtherMaterials and Devices for Smart Systems III - 2008 MRS Fall Meeting
CountryUnited States
CityBoston, MA
Period12/1/0812/4/08

Fingerprint

Carbon nanofibers
strain measurement
Strain measurement
Sensor networks
composite materials
carbon
sensors
Composite materials
Sensors
Nanofibers
Epoxy Resins
Carbon Nanotubes
structural health monitoring
Force measurement
Structural health monitoring
epoxy resins
Epoxy resins
laminates
Laminates
Carbon nanotubes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Nguyen, N. Q., Lee, S., & Gupta, N. (2009). Carbon nanofiber-network sensor films for strain measurement in composites. In Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III (Vol. 1129, pp. 53-59)

Carbon nanofiber-network sensor films for strain measurement in composites. / Nguyen, Nguyen Quang; Lee, Sangyoon; Gupta, Nikhil.

Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III. Vol. 1129 2009. p. 53-59.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nguyen, NQ, Lee, S & Gupta, N 2009, Carbon nanofiber-network sensor films for strain measurement in composites. in Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III. vol. 1129, pp. 53-59, Materials and Devices for Smart Systems III - 2008 MRS Fall Meeting, Boston, MA, United States, 12/1/08.
Nguyen NQ, Lee S, Gupta N. Carbon nanofiber-network sensor films for strain measurement in composites. In Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III. Vol. 1129. 2009. p. 53-59
Nguyen, Nguyen Quang ; Lee, Sangyoon ; Gupta, Nikhil. / Carbon nanofiber-network sensor films for strain measurement in composites. Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III. Vol. 1129 2009. pp. 53-59
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