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《Transducer and Microsystem Technologies》 2007-12
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Infrastructure study for optical fiber grating in smart composite materials

ZHAO Hai-tao,ZHANG Bo-ming,WU Zhan-jun,WANG Dian-fu,DAI Fu-hong(Centre for Composite Materials & Structures,Harbin Institute of Technology,Harbin 150080,China)  
The infrastructure study is very important,when optical fiber grating is embedded in composite materials for structure health monitoring.Fiber Bragg grating(FBG)is used to monitor the temperature evolution and residual stress of composite laminates during the cure process.Termination and connection methods for optical fibers embedded in composite materials are developed.Ingress/egress is designed to be sufficiently robust to withstand the rigours of the composite material manufacturing process.Successful probability of smart composite materials with fiber Bragg grating is enhanced.Investigation into the influence of embedded optical fibers is performed by finite element method and experimental method.The results show that effect of embedded optical fibers is not limited.These works provide premise for application of embedded optical fibers in composite materials.
【CateGory Index】: TB381
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