期刊
MATERIALS & DESIGN
卷 30, 期 5, 页码 1818-1821出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2008.08.005
关键词
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资金
- Portuguese Foundation for Science and Technology (FCT) [SFRH/BPD/41347/2007]
- Fundação para a Ciência e a Tecnologia [SFRH/BPD/41347/2007] Funding Source: FCT
In the present paper, the influence of the fiber Bragg grating (FBG) length and its coating on embedded FBGs in polymers is evaluated. Different FBG lengths and coatings, uncoated and acrylate-recoated, are used. The evolution of their spectra is also followed during laminate curing on a hot-plate press. The Bragg gratings are used as optical fiber sensors, and their sensitivity and reliability are analyzed. The resulting sensor signal characteristics and the strain answers to different loading modes, i.e. tensile, flexural and through-thickness compression, are also studied. (C) 2008 Elsevier Ltd. All rights reserved.
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