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Proceedings Paper

Acoustic emission detection for composite damage assessment using embedded ordinary single-mode fiber optic interferometric sensors
Author(s): Kexing Liu; Suzanne M. Ferguson; Keith McEwen; Edward Tapanes; Raymond M. Measures
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Paper Abstract

An interferometric fiber optic sensor using ordinary single-mode fibers is developed to detect acoustic emission (AE) for damage assessment of composite materials. This fiber sensor has been embedded in both graphite/epoxy and Kevlar/epoxy composite specimens and used to produce the fast direct correlation of acoustic emission with their concomitant forms of damage, such as matrix crack or material fiber rupture. Applications of the sensor for assessment of damage due to impact and out-of-plane loading are presented. Limitations of the sensor are also discussed.

Paper Details

Date Published: 1 December 1990
PDF: 8 pages
Proc. SPIE 1370, Fiber Optic Smart Structures and Skins III, (1 December 1990); doi: 10.1117/12.24861
Show Author Affiliations
Kexing Liu, Institute for Aerospace Studie (Canada)
Suzanne M. Ferguson, Institute for Aerospace Studie (Canada)
Keith McEwen, Institute for Aerospace Studie (Canada)
Edward Tapanes, Institute for Aerospace Studie (Canada)
Raymond M. Measures, Institute for Aerospace Studie (Canada)


Published in SPIE Proceedings Vol. 1370:
Fiber Optic Smart Structures and Skins III
Richard O. Claus; Eric Udd, Editor(s)

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