Multifunctional fiber optic sensors for cure and temperature monitoring

P. A. Crosby; C. Doyle; Christopher J. Tuck; Mandeep Singh; Gerard Franklyn Fernando

doi:10.1117/12.349724

31 May 1999 Multifunctional fiber optic sensors for cure and temperature monitoring

P. A. Crosby; C. Doyle; Christopher J. Tuck; Mandeep Singh; Gerard Franklyn Fernando

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Proceedings Volume 3670, Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (1999) https://doi.org/10.1117/12.349724
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

The processing of advanced fiber reinforced composites requires accurate data on the temperature and chemical composition of the resin system as a function of time. This paper reports on a preliminary study to evaluate two multi- functional sensor arrangements to facilitate in-situ chemical and temperature monitoring in epoxy resin-based thermosets. Sensor arrangements evaluated for chemical analysis include evanescent wave and transmission-based near-infrared spectroscopy; and for temperature monitoring optical fiber Bragg gratings. A comparative analysis was undertaken to ascertain the relative merits of each sensor configuration.

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P. A. Crosby, P. A. Crosby, C. Doyle, C. Doyle, Christopher J. Tuck, Christopher J. Tuck, Mandeep Singh, Mandeep Singh, Gerard Franklyn Fernando, Gerard Franklyn Fernando, } "Multifunctional fiber optic sensors for cure and temperature monitoring", Proc. SPIE 3670, Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (31 May 1999); doi: 10.1117/12.349724; https://doi.org/10.1117/12.349724

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