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1 December 1991 Damage detection in woven-composite materials using embedded fiber-optic sensors
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Abstract
This paper presents our preliminary results on the use of fiber optic sensors for impact detection on Kevlar-epoxy panels. Interfero-polarimetric measurements have been performed by using two different kinds of polarization-maintaining optical fibers. The sensitivity of the fibers to internal process stresses and to external impact stresses is discussed with respect to the coating nature. The effect of an over-coating on the fiber sensitivity is also reported. Impact-induced delaminations have been observed and the optical response has been adjusted by using an appropriate over-coating.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philippe Bonniau, Jean Chazelas, Jerome Lecuellet, Francois Gendre, Marc J. Turpin, Jean-Pierre Le Pesant, and Michele Brevignon "Damage detection in woven-composite materials using embedded fiber-optic sensors", Proc. SPIE 1588, Fiber Optic Smart Structures and Skins IV, (1 December 1991); https://doi.org/10.1117/12.50164
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