31 May 1999 Multifunctional fiber optic sensors for cure and temperature monitoring
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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, C. Doyle, Christopher J. Tuck, Mandeep Singh, 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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