Carbon nanofiber-network sensor films for strain measurement in composites

Nguyen Quang Nguyen; Sangyoon Lee; Nikhil Gupta

Carbon nanofiber-network sensor films for strain measurement in composites

Nguyen Quang Nguyen, Sangyoon Lee, Nikhil Gupta

Mechanical and Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English (US)
Title of host publication	Materials Research Society Symposium Proceedings - Materials and Devices for Smart Systems III
Pages	53-59
Number of pages	7
State	Published - 2009
Event	Materials and Devices for Smart Systems III - 2008 MRS Fall Meeting - Boston, MA, United States Duration: Dec 1 2008 → Dec 4 2008

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1129
ISSN (Print)	0272-9172

Other

Other	Materials and Devices for Smart Systems III - 2008 MRS Fall Meeting
Country/Territory	United States
City	Boston, MA
Period	12/1/08 → 12/4/08

ASJC Scopus subject areas

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

Cite this

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. 2009. p. 53-59 (Materials Research Society Symposium Proceedings; Vol. 1129).

Research output: Chapter in Book/Report/Conference proceeding › Conference 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. Materials Research Society Symposium Proceedings, vol. 1129, pp. 53-59, Materials and Devices for Smart Systems III - 2008 MRS Fall Meeting, Boston, MA, United States, 12/1/08.

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AB - 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.

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Carbon nanofiber-network sensor films for strain measurement in composites

Abstract

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ASJC Scopus subject areas

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