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Proceedings Paper

Structural health monitoring and impact detection for primary aircraft structures
Author(s): Eric Kosters; Thomas J. van Els
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Paper Abstract

The increasing use of thermoplastic carbon fiber-reinforced plastic (CFRP) materials in the aerospace industry for primary aircraft structures, such as wing leading-edge surfaces and fuselage sections, has led to rapid growth in the field of structural health monitoring (SHM). Impact, vibration, and load can all cause failure, such as delamination and matrix cracking, in composite materials. Moreover, the internal material damage can occur without being visible to the human eye, making inspection of and clear insight into structural integrity difficult using currently available evaluation methods. Here, we describe the detection of impact and its localization in materials and structures by high-speed interrogation of multiple-fiber Bragg grating (FBG) sensors mounted on a composite aircraft component.

Paper Details

Date Published: 20 April 2010
PDF: 6 pages
Proc. SPIE 7677, Fiber Optic Sensors and Applications VII, 76770C (20 April 2010); doi: 10.1117/12.853013
Show Author Affiliations
Eric Kosters, Technobis Fibre Technologies (Netherlands)
Thomas J. van Els, Technobis Fibre Technologies (Netherlands)

Published in SPIE Proceedings Vol. 7677:
Fiber Optic Sensors and Applications VII
Alexis Mendez; Henry H. Du; Anbo Wang; Eric Udd; Stephen J. Mihailov, Editor(s)

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