15 April 2011 Linear damage location using fiber optic acoustic emission sensors for structure health monitoring
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Abstract
We have previously reported a novel Fiber Optic Acoustic Emission Sensor (FOAES), which was specially processed based on fused-tapered optical fiber coupler. The FOAES was packed with silica capillary tube so that it could be embedded in damage monitoring of composite materials. But the linear damage location of acoustic emission using double sensors had not been tried. In this paper, linear damage location experiments with double sensors were tested on aluminium plate and composite plate. The test results showed that linear damage position was identified within ±6.25 mm on aluminium plate and ±4.84 mm on composite plate.
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Tao Fu, Tao Fu, Zhichun Zhang, Zhichun Zhang, Zaiwen Lin, Zaiwen Lin, Zhenhua Yao, Zhenhua Yao, Jinsong Leng, Jinsong Leng, } "Linear damage location using fiber optic acoustic emission sensors for structure health monitoring", Proc. SPIE 7982, Smart Sensor Phenomena, Technology, Networks, and Systems 2011, 79820X (15 April 2011); doi: 10.1117/12.880192; https://doi.org/10.1117/12.880192
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