Using multi-axis fiber grating strain sensors to measure transverse strain and transverse strain gradients in composite materials with complex weave structures

Catherine A. Black; Eric Udd; Whitten L. Schulz; Stephen T. Kreger; Marley Kunzler; Tad Taylor; Ross W. Lumsden; Dirk Heider; Zhicheng Yu

doi:10.1117/12.472613

27 June 2002 Using multi-axis fiber grating strain sensors to measure transverse strain and transverse strain gradients in composite materials with complex weave structures

Catherine A. Black, Eric Udd, Whitten L. Schulz, Stephen T. Kreger, Marley Kunzler, Tad Taylor, Ross W. Lumsden, Dirk Heider, Zhicheng Yu

Author Affiliations +

Proceedings Volume 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems; (2002) https://doi.org/10.1117/12.472613
Event: SPIE's 9th Annual International Symposium on Smart Structures and Materials, 2002, San Diego, California, United States

Abstract

Multi-axis fiber grating strain sensors have been used to quantitatively measure axial strain and temperature; transverse strain and transverse strain gradients in composite weave structures. 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.

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Catherine A. Black, Eric Udd, Whitten L. Schulz, Stephen T. Kreger, Marley Kunzler, Tad Taylor, Ross W. Lumsden, Dirk Heider, and Zhicheng Yu "Using multi-axis fiber grating strain sensors to measure transverse strain and transverse strain gradients in composite materials with complex weave structures", Proc. SPIE 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems, (27 June 2002); https://doi.org/10.1117/12.472613

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