Damage detection in composite materials by FBGs

Jose Manuel Menendez; Pedro Munoz; J. M. Pintado; Alfredo Guemes

doi:10.1117/12.566707

9 June 2004 Damage detection in composite materials by FBGs

Jose Manuel Menendez, Pedro Munoz, J. M. Pintado, Alfredo Guemes

Proceedings Volume 5502, Second European Workshop on Optical Fibre Sensors; (2004) https://doi.org/10.1117/12.566707
Event: Second European Workshop on Optical Fibre Sensors, 2004, Santander, Spain

Abstract

Embedded fiber Bragg gratings (FBGs) are sensitive to changes of near strain fields in a composite host monolithic structure, typical of aircraft airframes. FBGs have been embedded in different configurations (a typical position is the skin -- stiffener interface in a monolithic structure) for detecting events associated to damage occurrence. Thus, it is possible to think in FBGs not only as strain sensors, in a classical load monitoring configuration, but as a part of a structural health monitoring (SHM) system in composite structures dimensioned following damage tolerance criteria.

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Jose Manuel Menendez, Pedro Munoz, J. M. Pintado, and Alfredo Guemes "Damage detection in composite materials by FBGs", Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); https://doi.org/10.1117/12.566707

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