Self-sensing composites: in-situ cure monitoring

Liwei Wang; Shoaib Malik; Dee Harris; Gerard F. Fernando

doi:10.1117/12.779399

1 November 2007 Self-sensing composites: in-situ cure monitoring

Liwei Wang, Shoaib Malik, Dee Harris, Gerard F. Fernando

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64231F (2007) https://doi.org/10.1117/12.779399
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

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.

Citation Download Citation

Liwei Wang, Shoaib Malik, Dee Harris, and Gerard F. Fernando "Self-sensing composites: in-situ cure monitoring", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231F (1 November 2007); https://doi.org/10.1117/12.779399

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