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Monitoring of cure-induced strain of an epoxy resin by fiber Bragg grating sensor

Journal of applied polymer science, 2008-01, Vol.107 (2), p.719-725 [Peer Reviewed Journal]

Copyright © 2007 Wiley Periodicals, Inc. ;2009 INIST-CNRS ;ISSN: 0021-8995 ;EISSN: 1097-4628 ;DOI: 10.1002/app.27096 ;CODEN: JAPNAB

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  • Title:
    Monitoring of cure-induced strain of an epoxy resin by fiber Bragg grating sensor
  • Author: Harsch, Margit ; Karger-Kocsis, József ; Herzog, Florian
  • Subjects: Applied sciences ; Chemical properties ; curing of polymers ; Exact sciences and technology ; fibers ; Polymer industry, paints, wood ; Properties and testing ; resins ; sensors ; strain ; Technology of polymers
  • Is Part Of: Journal of applied polymer science, 2008-01, Vol.107 (2), p.719-725
  • Description: In this study, we present a method to detect cure-induced strain in an epoxy resin (EP) with a Fiber Bragg Grating (FBG) sensor. By embedding the optical fiber into the EP resin the characteristics during isothermal cure (gel point, vitrification) could be precisely detected due to changes in the fiber strain. In a follow up dynamic temperature scan the coefficient of thermal expansion and the glass transition temperature (Tg) of the fully cured EP were determined by the FBG sensor technique. All results obtained by the fiber optical method showed a very good agreement with those deduced by independent techniques, viz. rheological measurements, differential scanning calorimetry, and thermomechanical analysis. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2008
  • Publisher: Hoboken: Wiley Subscription Services, Inc., A Wiley Company
  • Language: English
  • Identifier: ISSN: 0021-8995
    EISSN: 1097-4628
    DOI: 10.1002/app.27096
    CODEN: JAPNAB
  • Source: Alma/SFX Local Collection
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