Residual strain measurement in bonded composite repairs for aging aircraft by embedded Fiber Bragg Grating sensors

U. Ben-Simon*, I. Kressel, Y. Botsev, A. K. Green, G. Ghilaf, N. Gorbatov, M. Tur, S. Gali

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Embedded Fiber-Bragg-Grating sensors are used for tracking the initiation of structural bonding and measuring the residual strains, during the curing process, of bonded composite patches used for aging aircraft structural repairs. FBG reading are shown to have direct correlation with the residual strains that are important in assessing the long-term durability of the repaired structure under fatigue load spectrum.

Original languageEnglish
Title of host publicationEWOFS 2007 Proceedings
Subtitle of host publicationThird European Workshop on Optical Fibre Sensors
DOIs
StatePublished - 2007
EventEWOFS 2007: Third European Workshop on Optical Fibre Sensors - Napoli, Italy
Duration: 4 Jul 20076 Jul 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6619
ISSN (Print)0277-786X

Conference

ConferenceEWOFS 2007: Third European Workshop on Optical Fibre Sensors
Country/TerritoryItaly
CityNapoli
Period4/07/076/07/07

Keywords

  • Bonded repairs
  • Fiber Bragg grating
  • Health monitoring
  • Residual strains
  • Smart patch

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