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1 December 1990 Acoustic emission detection for composite damage assessment using embedded ordinary single-mode fiber optic interferometric sensors
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Proceedings Volume 1370, Fiber Optic Smart Structures and Skins III; (1990) https://doi.org/10.1117/12.24861
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States
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.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kexing Liu, Suzanne M. Ferguson, Keith McEwen, Edward Tapanes, and Raymond M. Measures "Acoustic emission detection for composite damage assessment using embedded ordinary single-mode fiber optic interferometric sensors", Proc. SPIE 1370, Fiber Optic Smart Structures and Skins III, (1 December 1990); https://doi.org/10.1117/12.24861
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