Chemical process monitoring and the detection of moisture ingress in composites - art. no. 69330R

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It is generally appreciated that the ingress of moisture in composites can have adverse effects on matrix-dominated properties such as the glass transition temperature and compressive mechanical properties. Moisture ingress in composites can also lead to swelling and blistering. A number of excellent studies have been reported on the detection, modelling and effects of moisture ingress on the properties of thermosetting resins (matrix) and composites. However, it is generally taken for granted that the quality of the resin and the processing conditions used to cross-link the resin are identical. Given the recent advances in the design and deployment of optical-fibre sensors in composites, it is now possible to use the same sensor to facilitate in-situ cure monitoring and structural health monitoring (after processing).


Original languageEnglish
Pages (from-to)R9330-R9330
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 1 Jan 2008


  • self-sensing fibers, thermosets, moisture ingress, FTIR spectroscopy, process monitoring, fiber optic chemical sensors