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Proceedings Paper

Progressive failure monitoring of E-glass/vinylester curve composites using embedded FBG sensors
Author(s): Asrul Izam Azmi; Raju Raju; Gang-Ding Peng
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Paper Abstract

In this paper, we report our recent work in an application of fiber Bragg grating (FBG) sensors in progressive failure monitoring of E-glass/vinylester top-hat stiffener (THS) composites. FBG sensor arrays were embedded at strategic points within the THS to monitor the onset and progress of failure modes as the THS undergone a transverse loading. Techniques to embed FBGs in-situ during composite structure fabrication are developed. Our experiments demonstrated that key structural failure information can be obtained from the analysis and assessment of data, such as average strain, strain gradient and full spectrum measurements, collected by the embedded FBG sensors.

Paper Details

Date Published: 31 January 2012
PDF: 8 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835138 (31 January 2012); doi: 10.1117/12.914757
Show Author Affiliations
Asrul Izam Azmi, The Univ. of New South Wales (Australia)
Raju Raju, The Univ. of New South Wales (Australia)
Gang-Ding Peng, The Univ. of New South Wales (Australia)


Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference

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