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Proceedings Paper

Distributed sensing of carbon-epoxy composites and filament wound pressure vessels using Fiber-Bragg gratings
Author(s): Joseph Grant; Raj K. Kaul; Scott L. Taylor; George Myer; Kurt V. Jackson; Anup Sharma
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Paper Abstract

Multiple Fiber Bragg-gratings are embedded in carbon-epoxy laminates as well as in composite wound pressure vessel. Structural properties of such composites are investigated. The measurements include stress-strain relation in laminates and Poisson’s ration in several specimens with varying orientation of the optical fiber Bragg-sensor with respect to the carbon fiber in an epoxy matrix. Additionally, fiber Bragg gratings are bonded on the surface of these laminates and cylinders fabricated out of carbon-epoxy composites and multiple points are monitored and compared for strain measurements at several locations.

Paper Details

Date Published: 14 November 2002
PDF: 9 pages
Proc. SPIE 4935, Smart Structures, Devices, and Systems, (14 November 2002); doi: 10.1117/12.469076
Show Author Affiliations
Joseph Grant, NASA Marshall Space Flight Ctr. (United States)
Raj K. Kaul, NASA Marshall Space Flight Ctr. (United States)
Scott L. Taylor, NASA Marshall Space Flight Ctr. (United States)
George Myer, NASA Marshall Space Flight Ctr. (United States)
Kurt V. Jackson, NASA Marshall Space Flight Ctr. (United States)
Anup Sharma, Alabama A&M Univ. (United States)

Published in SPIE Proceedings Vol. 4935:
Smart Structures, Devices, and Systems
Erol C. Harvey; Derek Abbott; Vijay K. Varadan, Editor(s)

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