Distributed modular temperature-strain sensor based on optical fiber embedded in laminated composites

A smart structure based on carbon fiber reinforced polymer (CFRP) embedding optical fibers is proposed for distributed sensing in structural health monitoring. The proposed CFRP package provides mechanical protection to the optical fiber, enables temperature-strain discrimination, and also facilitates the sensor's installation to secure reliable measurements. Experimental results verify a linear strain sensor response with temperature compensation, agreeing well with the response of strain gauges and the expected theoretical behavior. The smart structure can be used by gluing it on the surface of the monitored structure or by embedding it as one of the layers used during manufacturing big composite structures.


Publié dans:
Composites Part B: Engineering, 168, 267-273
Année
Dec 17 2018
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 Notice créée le 2018-12-20, modifiée le 2019-03-17

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