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
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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.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Catherine A. Black, Catherine A. Black, Eric Udd, Eric Udd, Whitten L. Schulz, Whitten L. Schulz, Stephen T. Kreger, Stephen T. Kreger, Marley Kunzler, Marley Kunzler, Tad Taylor, Tad Taylor, Ross W. Lumsden, Ross W. Lumsden, Dirk Heider, Dirk Heider, Zhicheng Yu, 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); doi: 10.1117/12.472613; https://doi.org/10.1117/12.472613
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