Experimental characterization of interfacial adhesion of an optical fiber embedded in a composite material

V. Chean (1) , R. Matadi Boumbimba (1) , R. El Abdi (1) , J. C. Sangleboeuf (2) , Pascal Casari (3) , M. Drissi Habti (4)

1 LARMAUR - LAboratoire de Recherche en Mécanique Appliquée
2 LMS - Laboratoire de mécanique des solides
3 GeM - Institut de Recherche en Génie Civil et Mécanique
4 IFSTTAR - Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux

The efficiency of an optical sensor embedded in a composite structure strongly depends on the interfacial adhesion between the optical fiber coating and the surrounding solid material. The present paper reports on the study of the interfacial adhesion of an optical fiber embedded in a composite material. A simple system composed of optical fibers embedded in an epoxy vinylester resin was first studied to evaluate the influence of embedded length, curing temperature and curing time. Pull-out tests on optical fibers bonded in epoxy vinylester/glass fiber composite material were carried out to measure the effect of glass concentration on the fiber bonding. The pull-out results showed no effect of both embedded length and curing temperature. However, an increase of the interfacial debonding stress is reported with increased curing time. For the optical fiber/composite system, a linear evolution of interfacial debonding stress with increasing glass fiber concentration is reported. (C) 2012 Elsevier Ltd. All rights reserved.

Mots clés: Optical fiber; Epoxy vinylester; Glass fibers; Composites; Interfacial adhesion; Smart composite materials; Pullout

Domaines: Mécanique [physics.med-ph]

V. Chean, R. Matadi Boumbimba, R. El Abdi, J. C. Sangleboeuf, Pascal Casari, et al.. Experimental characterization of interfacial adhesion of an optical fiber embedded in a composite material. International Journal of Adhesion and Adhesives, 2013, 41, pp.144-151. ⟨10.1016/j.ijadhadh.2012.11.006⟩. ⟨hal-00830320⟩