Prediction of fatigue response of composite structures by monitoring the strain energy release rate with embedded fiber Bragg gratings
Keulen, Casey J. and Akay, Erdem and Melemez, Fazlı Fatih and Kocaman, Esat Selim and Deniz, Ataman and Yılmaz, Çağatay and Boz, Talha and Yıldız, Mehmet and Türkmen, Halit S. and Suleman, Afzal (2016) Prediction of fatigue response of composite structures by monitoring the strain energy release rate with embedded fiber Bragg gratings. Journal of Intelligent Material Systems and Structures, 27 (1). pp. 17-27. ISSN 1045-389X (Print) 1530-8138 (Online)
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Official URL: http://dx.doi.org/10.1177/1045389X14560358
Composite materials are becoming increasingly more valuable due to their high specific strength and stiffness. Currently, most components are operated for a number of service cycles and then replaced regardless of their actual condition. Embedded fiber Bragg gratings are under investigation for monitoring these components in real time and estimating their remaining life. This article presents research conducted on a novel technique for prediction of the remaining life of composites under fatigue loading using embedded fiber Bragg grating sensors. A prediction is made of the remaining life at every cycle based on data collected from the sensors and the previous loading history.
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