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16 April 2001 Mechanical strength of an optical fiber after exposure to syntactic foam precursors
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Optical fibers are being widely studied for use as embedded sensors in composite materials. Appropriately chosen sensors can monitor parameters such as strain and temperature, either during curing or over the product life cycle for continuous health monitoring. In this work, the host material is a syntactic foam that polymerizes at high temperatures, rather than a laminated composite material. The objective of this work is to report on the mechanical strength of an optical fiber after exposure to the temperatures encountered during syntactic foam production, and after exposure to the precursors of the syntactic foam. These parameters are expected to affect the mechanical reliability of the sensor after foam polymerization is complete, during the articles’ life cycle. Results show two regions on a Weibull plot, possibly due to the testing procedure. Importantly, the fiber strength is higher than the anticipated load to failure for a fiber embedded in a syntactic foam, as required to achieve the desired failure mechanism.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Daphne Benderly, Orna Breuer, Y. Gabai, S. Shitrit, Z. Glikman, and Moti Leibowitz "Mechanical strength of an optical fiber after exposure to syntactic foam precursors", Proc. SPIE 4215, Optical Fiber and Fiber Component Mechanical Reliability and Testing, (16 April 2001);

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