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Cure Monitoring of Epoxy Resin by Using Fiber Bragg Grating Sensor
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 Title & Authors
Cure Monitoring of Epoxy Resin by Using Fiber Bragg Grating Sensor
Lee, Jin-Hyuk; Kim, Dae-Hyun;
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In several industrial fields, epoxy resin is widely used as an adhesive for co-curing and manufacturing various structures. Controlling the manufacturing process is required for ensuring robust bonding performance and the stability of the structures. A fiber optic sensor is suitable for the cure monitoring of epoxy resin owing to the thready shape of the sensor. In this paper, a fiber Bragg grating (FBG) sensor was applied for the cure monitoring of epoxy resin. Based on the experimental results, it was demonstrated that the FBG sensor can monitor the status of epoxy resin curing by measuring the strain caused by volume shrinkage and considering the compensation of temperature. In addition, two types of epoxy resin were used for the cure-monitoring; moreover, when compared to each other, it was found that the two types of epoxy had different cure-processes in terms of the change of strain during the curing. Therefore, the study proved that the FBG sensor is very profitable for the cure-monitoring of epoxy resin.
Epoxy-Resin;Fiber Bragg Grating (FBG);Cure-Monitoring;Temperature-Monitoring;Structural Health Monitoring (SHM);
 Cited by
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