Simultaneous measurement of physical parameters using FBGs embedded in unidirectional and bidirectional composite materials

被引：4
|
作者：
Costa, Luis [1 ,2 ]
Gresil, Matthieu [3 ]
Frazao, Orlando [1 ,2 ]
机构：
[1] INESC TEC, P-4150179 Oporto, Portugal
[2] Univ Porto, Fac Sci, Dept Phys & Astron, P-4169007 Oporto, Portugal
[3] Univ Manchester, Sch Mat, I Composites Lab, Manchester M1 3NJ, Lancs, England
来源：
SMART MATERIALS AND STRUCTURES | 2016年 / 25卷 / 01期
基金：
欧盟地平线“2020”;
关键词：
optical sensors; fiber Bragg gratings; strain; temperature; SHM; curvature; BRAGG GRATING SENSORS; FIBER; TEMPERATURE; STRAIN;
D O I：
10.1088/0964-1726/25/1/015007
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A smart material using fibre Bragg gratings (FBGs) embedded into carbon fibre-reinforced polymer for simultaneous measurement of physical parameters was designed, tested, and validated. Two FBGs were embedded in different sections of the composite sample, one fully unidirectional and the other bidirectional, which produced different sensitivities for each FBG sensor. The composite structure was characterized for strain/temperature and curvature/temperature measurements. The experimental results were compared with and agreed with finite element simulations.
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页数：8
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