The Preliminary Research on the Coating of FBG Embedded in Composites used in Large Aircraft

Yan Zi Yin; Ji Hui Wang; Han Li; Jiu Xiao Sun; Heng Tian; Yun Dong Ji

doi:10.4028/www.scientific.net/AMR.239-242.540

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The Preliminary Research on the Coating of FBG Embedded in Composites used in Large Aircraft
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242The Preliminary Research on the Coating of FBG...

The Preliminary Research on the Coating of FBG Embedded in Composites used in Large Aircraft

Abstract:

The optical fibers with epoxy acrylates and urethane acrylates UV-curable coatings were embedded in composites. It’s found that after high-temperature heated, when the coating’s glass transition temperature was higher than the heating temperature, the microstructure of the coating would not change, but when the coating’s glass transition temperature was lower than the heating temperature, the coating would detached from optical fiber. FBG (fiber Bragg grating) sensors with coating and naked FBG (without coating) sensors were embedded in composite materials to monitor impacting damage. It was found that when the coating broke away from the optical fiber which was embedded in the composites, the sensitivity of the FBG sensors would reduce.

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Periodical:

Advanced Materials Research (Volumes 239-242)

Pages:

540-543

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.239-242.540

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Online since:

May 2011

Authors:

Yan Zi Yin, Ji Hui Wang, Han Li, Jiu Xiao Sun, Heng Tian, Yun Dong Ji

Keywords:

Coating, Composite, Embedded, Glass Transition Temperature, Optical Fiber, Sensitivity

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