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Study and elaboration of composites with embedded fiber optic sensors for structural health monitoring applications

Project description :

Today, composite structures have gained much ground compared to metallic materials. Composite materials have the particularity of having similar mechanical properties, or more in some cases, to metallic materials, all of which offer a structure in the end that will be very light. However, composite materials may have several defects in their manufacture or be damaged during their use. This implies and requires very precise and constant control. However, conventional techniques are used to evaluate the integrity of composite structures only at the time of inspection and do not allow continuous monitoring of composite health. It also does not offer any advantages in terms of ergonomics and weight when been integrated with the composite structures.
The main purpose of our project is to develop composite materials embedded with Bragg and/or Long Period Grating (LPG) fiber optic sensors to control and monitor their health in real time. To do this we will try to achieve and design a system for monitoring and analyzing the integrity and health of composite structures. Our system we want to achieve is based on the use of Bragg and/or LPG fiber optic sensors. These sensors, which we also want to carry out, will be integrated inside the composite structure during its manufacture. In another approach we also plan to use them as a patch on the surface of the composite structures.