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Proceedings Paper

Investigation of structural properties of carbon-epoxy composites using fiber Bragg gratings
Author(s): Joseph Grant; Raj K. Kaul; Scott L. Taylor; Kurt V. Jackson; Albert J. Osei; Anup Sharma
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Paper Abstract

Fiber Bragg-gratings are embedded in carbon-epoxy laminates as well as bonded on the surface of composite wound pressure vessel. Structural properties of such composites are investigated. The measurements include stress-strain relation in laminates and Poisson's ratio 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 cylinders fabricated out of carbon-epoxy composites and longitudinal and hoop strain on the surface is measured.

Paper Details

Date Published: 17 February 2003
PDF: 9 pages
Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); doi: 10.1117/12.473813
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)
Kurt V. Jackson, NASA Marshall Space Flight Ctr. (United States)
Albert J. Osei, Oakwood College (United States)
Anup Sharma, Alabama A&M Univ. (United States)

Published in SPIE Proceedings Vol. 4833:
Applications of Photonic Technology 5
Roger A. Lessard; George A. Lampropoulos; Gregory W. Schinn, Editor(s)

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