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

Fengming Yu 1 Qi Wu 1 Yoji Okabe 1 Satoshi Kobayashi 2 Kazuya Saito 1
1 The University of Tokyo
2 Tokyo Metropolitan University [Tokyo]
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.
Keywords : Sensors Optic fiber Acoustic emission
Type de document :
Communication dans un congrès
Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014
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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. Le Cam, Vincent and Mevel, Laurent and Schoefs, Franck. EWSHM - 7th European Workshop on Structural Health Monitoring, Jul 2014, Nantes, France. 2014. 〈hal-01021212〉

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