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Proceedings Paper

Self-sensing composites: in-situ cure monitoring
Author(s): Liwei Wang; Shoaib Malik; Dee Harris; Gerard F. Fernando
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Paper Abstract

The term self-sensing composites is used to describe the case where the reinforcing glass fibres in advanced fibre reinforced composites are used as the sensors for chemical process monitoring (cure monitoring). This paper presents conclusive evidence to demonstrate that reinforcing E-glass fibres can be used for in-situ cure monitoring. The cure behaviour of an epoxy/amine resin system was compared using evanescent wave spectroscopy via the reinforcing E-glass fibre and conventional Fourier transform infrared spectroscopy. This paper also reports for the first time that evanescent wave spectroscopy via E-glass fibres can be used to detect the presence of silane coupling agents. Preliminary results indicated that the cure kinetics on the E-glass fibre surface, as observed using evanescent wave spectroscopy, were influenced by the silane coupling agent.

Paper Details

Date Published: 1 November 2007
PDF: 8 pages
Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231F (1 November 2007); doi: 10.1117/12.779399
Show Author Affiliations
Liwei Wang, Univ. of Birmingham (United Kingdom)
Shoaib Malik, Univ. of Birmingham (United Kingdom)
Dee Harris, Univ. of Birmingham (United Kingdom)
Gerard F. Fernando, Univ. of Birmingham (United Kingdom)

Published in SPIE Proceedings Vol. 6423:
International Conference on Smart Materials and Nanotechnology in Engineering
Shanyi Du; Jinsong Leng; Anand K. Asundi, Editor(s)

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