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YAGE ZHAN1,2,* , AIJIN GUO3, CHANGHENG FENG3, ZEYU SUN2, MUHUO YU2, RUIBO MA3, XINCHI DU3, PENG ZHAO3, LINGXIAO XU3
- Shanghai center for high per formance fibers and composites, Shanghai 201620, Chin a
- Shanghai Key Laboratory of Lightweight Composite, Donghua University, Shanghai 201620, China
- College of Science, Donghua University, Shanghai 201620, China
An optical fiber grating multi parameter sensor for temperature and strain real time monitoring has been proposed. Based on a polyimide fiber Bragg grating (PFBG), the system can be used for high temperature (100 300 ℃℃) monitoring, except for common temperature ( 20~100 ℃℃) and strain monitoring in composites curing process simultaneously. The PFBG is embedded into composites for VARI (Vacuum Assisted Resin Infusion) curing process. The temperature and strain are calculated according to the central wavelength. Different materials and structures are u sed in this paper. The results provide references for curing process optimization and technological process improvement of composites curing process..
PFBG, T emperature and strain, Composite m aterials, Curing, R eal time monitoring.
Submitted at: May 31, 2019
Accepted at: Feb. 17, 2020
YAGE ZHAN, AIJIN GUO, CHANGHENG FENG, ZEYU SUN, MUHUO YU, RUIBO MA, XINCHI DU, PENG ZHAO, LINGXIAO XU, A n optical fiber multi parameter sensor for temperature and strain real time monitoring in different structures, Journal of Optoelectronics and Advanced Materials Vol. 22, Iss. 1-2, pp. 5-11 (2020)
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