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Structural Self-Diagnosis for Damage in Carbon-Fiber Reinforced Composites

[+] Author Affiliations
Yves Ngabonziza, Regina Kuznetsova, Jackie Li, Benjamin Liaw, Feridun Delale

The City College of New York, New York, NY

Hale Ergun

Istanbul Technical University, Istanbul, Turkey

Paper No. SMASIS2008-365, pp. 27-31; 5 pages
doi:10.1115/SMASIS2008-365
From:
  • ASME 2008 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2
  • Ellicott City, Maryland, USA, October 28–30, 2008
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4332-1 | eISBN: 978-0-7918-3839-6
  • Copyright © 2008 by ASME

abstract

Composite structural self-diagnostic (CSSD) technology has been tested to detect the mechanical damages in carbon-fiber reinforced polymer-matrix composites. In order to characterize the self-sensing technique for damage detection, discrete electrodes were mounted on Double-Cantilever-Beam (DCB). Results on mechanical properties with corresponding electrical resistance changes of the CFRC specimens are presented in this paper. The lay-up configuration of the composite specimens is [06 /Teflon/06 ]T . In addition, acoustic emission was also used to corroborate the CSSD results.

Copyright © 2008 by ASME

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