Effect of adhesive type on the sensitivity coefficient of FBG sensor bonded on the surface of CFRP

Heng TIAN; Dong-guang LIU; Yan-ping WANG; Qing-lin WANG

doi:10.1007/s11801-019-8183-5

Journals >Optoelectronics Letters >Volume 15 >Issue 4 >Page 264 > Article

Optoelectronics Letters
Vol. 15, Issue 4, 264 (2019)

Effect of adhesive type on the sensitivity coefficient of FBG sensor bonded on the surface of CFRP

Heng TIAN¹, Dong-guang LIU^2、*, Yan-ping WANG¹, and Qing-lin WANG¹

Author Affiliations

¹Department of Chemical and Chemical Engineering, Hefei Normal University, Hefei 230601, China

²School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China

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DOI: 10.1007/s11801-019-8183-5 Cite this Article

TIAN Heng, LIU Dong-guang, WANG Yan-ping, WANG Qing-lin. Effect of adhesive type on the sensitivity coefficient of FBG sensor bonded on the surface of CFRP[J]. Optoelectronics Letters, 2019, 15(4): 264 Copy Citation Text

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Abstract

In this paper, the effects of three types of commonly used adhesives were studied via experiment and simulation. The results show that the strain sensitivity of fiber Bragg grating (FBG) sensor is about 1.201 pm/με and the effects of three adhesives of epoxy resin, AB glue and 502 glue with the same thickness and length on sensitivity coefficients of FBG sensors are 99.20%, 93.80% and 96.50%, respectively. Finally, the sensitivity coefficient of the simulated FBG sensor is the same as the test result by ANSYS modeling.

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