20 April 2010 Structural health monitoring and impact detection for primary aircraft structures
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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.
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Eric Kosters, Eric Kosters, Thomas J. van Els, Thomas J. van Els, } "Structural health monitoring and impact detection for primary aircraft structures", Proc. SPIE 7677, Fiber Optic Sensors and Applications VII, 76770C (20 April 2010); doi: 10.1117/12.853013; https://doi.org/10.1117/12.853013
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