Effect of embedded fiber optics on the mechanical properties of a composite host material

Michael W. Holl; Steven Boyd

doi:10.1117/12.148464

23 July 1993 Effect of embedded fiber optics on the mechanical properties of a composite host material

Michael W. Holl, Steven Boyd

Proceedings Volume 1916, Smart Structures and Materials 1993: Smart Materials; (1993) https://doi.org/10.1117/12.148464
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States

Abstract

The effects of embedded fiber optics (FO) on the mechanical properties of a graphite/epoxy composite host material were studied. Optical fibers 125 micrometers and 240 micrometers in diameter were embedded in AS4/3501-6 graphite/epoxy, and the static performance of the material was evaluated. FO were placed in the midplane of the specimens both parallel and perpendicular to the loading direction. The mechanical tests included O degree(s) compression, 90 degree(s) tension, (0, +/- 45, 90)_S tension, and first ply failure of (O₂, 90₂)_S specimens. Microstructural analysis of the fracture surfaces showed little influence of the FO on crack initiation or propagation. Test results showed no distinct influence of the FO on failure strength or modulus, but did open questions on the coupled effects of processing history, FO embedment, and failure strength.

Citation Download Citation

Michael W. Holl and Steven Boyd "Effect of embedded fiber optics on the mechanical properties of a composite host material", Proc. SPIE 1916, Smart Structures and Materials 1993: Smart Materials, (23 July 1993); https://doi.org/10.1117/12.148464

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