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Proceedings Paper

Using multi-axis fiber grating strain sensors to measure transverse strain and transverse strain gradients in composite materials with complex weave structures
Author(s): Catherine A. Black; Eric Udd; Whitten L. Schulz; Stephen T. Kreger; Marley Kunzler; Tad Taylor; Ross W. Lumsden; Dirk Heider; Zhicheng Yu
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Paper 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.

Paper Details

Date Published: 27 June 2002
PDF: 6 pages
Proc. SPIE 4694, Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems, (27 June 2002); doi: 10.1117/12.472613
Show Author Affiliations
Catherine A. Black, Blue Road Research (United States)
Eric Udd, Blue Road Research (United States)
Whitten L. Schulz, Blue Road Research (United States)
Stephen T. Kreger, Blue Road Research (United States)
Marley Kunzler, Blue Road Research (United States)
Tad Taylor, Blue Road Research (United States)
Ross W. Lumsden, Blue Road Research (United States)
Dirk Heider, Univ. of Delaware (United States)
Zhicheng Yu, Univ. of Delaware (United States)


Published in SPIE Proceedings Vol. 4694:
Smart Structures and Materials 2002: Smart Sensor Technology and Measurement Systems
Daniele Inaudi; Eric Udd, Editor(s)

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