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Proceedings Paper

Linear damage location using fiber optic acoustic emission sensors for structure health monitoring
Author(s): Tao Fu; Zhichun Zhang; Zaiwen Lin; Zhenhua Yao; Jinsong Leng
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Paper 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.

Paper Details

Date Published: 15 April 2011
PDF: 8 pages
Proc. SPIE 7982, Smart Sensor Phenomena, Technology, Networks, and Systems 2011, 79820X (15 April 2011); doi: 10.1117/12.880192
Show Author Affiliations
Tao Fu, Harbin Institute of Technology (China)
Zhichun Zhang, Harbin Institute of Technology (China)
Zaiwen Lin, Harbin Institute of Technology (China)
Harbin FRP Research Institute (China)
Zhenhua Yao, Harbin FRP Research Institute (China)
Jinsong Leng, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 7982:
Smart Sensor Phenomena, Technology, Networks, and Systems 2011
Wolfgang Ecke; Kara J. Peters; Theodore E. Matikas, Editor(s)

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