Monitoring of advanced composite weave structures using multi-axis fiber grating strain sensors

Katy Davol; Eric Udd; Stephen T. Kreger; Marley Kunzler; Marty Laylor; Dirk Heider; Zhicheng Yu

doi:10.1117/12.544457

20 November 2003 Monitoring of advanced composite weave structures using multi-axis fiber grating strain sensors

Katy Davol, Eric Udd, Stephen T. Kreger, Marley Kunzler, Marty Laylor, Dirk Heider, Zhicheng Yu

Proceedings Volume 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop; (2003) https://doi.org/10.1117/12.544457
Event: Sixth Pacific Northwest Fiber Optic Sensor Workshop, 2003, Troutdale, OR, United States

Abstract

The feasibility of using multi-axis fiber grating strain sensors to monitor transverse strain and transverse strain gradients to complex, woven composite structures has been evaluated. This paper overviews the multi-axis fiber optic grating strain sensors and how they can be applied to measuring multidimensional strain fields interior to composite parts with complex composite weave structures. Experimental results are given for the case of a bi-axially woven composite coupon as well as for an E-glass/epoxy composite sample.

Citation Download Citation

Katy Davol, Eric Udd, Stephen T. Kreger, Marley Kunzler, Marty Laylor, Dirk Heider, and Zhicheng Yu "Monitoring of advanced composite weave structures using multi-axis fiber grating strain sensors", Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); https://doi.org/10.1117/12.544457

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