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Proceedings Paper

Nondestructive evaluation of composite materials using multi-axis fiber grating stain sensors
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Paper Abstract

Fiber optic sensors may be used to monitor strain and temperature in composite materials. These measurements can be useful in determining rate and degree of cure of composite. Multi-dimensional strain measurements enabled by fiber gratings written onto polarization maintaining optical fiber enable monitoring changes in transverse strain, transverse strain gradients, and shear strain internal to composites and adhesive joints. This paper provides a brief historical overview of the usage of fiber sensors to provide strain measurements in composite parts, leading eventually to multi-axis strain sensing.

Paper Details

Date Published: 20 November 2003
PDF: 10 pages
Proc. SPIE 5278, Sixth Pacific Northwest Fiber Optic Sensor Workshop, (20 November 2003); doi: 10.1117/12.544357
Show Author Affiliations
Eric Udd, Blue Road Research (United States)
Stephen T. Kreger, Blue Road Research (United States)
Sean G. Calvert, Blue Road Research (United States)
Marley Kunzler, Blue Road Research (United States)
Tad Taylor, Blue Road Research (United States)


Published in SPIE Proceedings Vol. 5278:
Sixth Pacific Northwest Fiber Optic Sensor Workshop
Eric Udd; Stephen T. Kreger; Jeff Bush, Editor(s)

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