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Identification of Damage Types in Carbon Fiber Reinforced Plastic Laminates by a Novel Optical Fiber Acoustic Emission Sensor

Abstract : In this research, phase-shifted FBG (PS-FBG) sensor was employed to practical AE detection for carbon fiber reinforced plastic (CFRP) composite laminate. Firstly, we evaluated the characteristics of AE signals detected by this kind of sensor. Secondly, through the experiment and simulation concerning AE source orientation, quantitative information about the standard for discriminating the AE signals due to transverse cracks and delaminations was obtained. Finally, according to the standard, we identified the occurrence of those two damage types successfully in the actual AE detection under three point bending and tensile test.
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https://hal.inria.fr/hal-01021212
Contributor : Anne Jaigu <>
Submitted on : Wednesday, July 9, 2014 - 10:22:14 AM
Last modification on : Monday, May 17, 2021 - 12:00:04 PM
Long-term archiving on: : Thursday, October 9, 2014 - 11:22:45 AM

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Fengming Yu, Qi Wu, Yoji Okabe, Satoshi Kobayashi, Kazuya Saito. Identification of Damage Types in Carbon Fiber Reinforced Plastic Laminates by a Novel Optical Fiber Acoustic Emission Sensor. EWSHM - 7th European Workshop on Structural Health Monitoring, IFFSTTAR, Inria, Université de Nantes, Jul 2014, Nantes, France. ⟨hal-01021212⟩

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