Embedded Fiber Bragg Grating sensors for industrial composite cure monitoring

被引：52
|
作者：
Dewynter-Marty, V [1 ]
Ferdinand, P
Bocherens, E
Carbone, R
Beranger, H
Bourasseau, S
Dupont, M
Balageas, D
机构：
[1] CEA, LETI, Technol Avancees, DEIN,SPE,Lab Mesures Opt, F-91191 Gif Sur Yvette, France
[2] DGA, DCAE, AIA, F-83800 Toulon, France
[3] Off Natl Etud & Rech Aerosp, DMSE, F-92322 Chatillon, France
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 1998年 / 9卷 / 10期
关键词：
D O I：
10.1177/1045389X9800901001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An embedded Fiber Bragg Grating (FBG) strain sensor and an FBG temperature sensor have been shown to be able to accurately monitor the industrial composite cure process of a glass/epoxy plate devoted to aeronautical applications. The internal absolute strain level in the plate was determined, free of temperature effect thanks to a differential method. After curing, a residual compression strain of about -0.22% was observed, which represents a short part of the range in compression for a single mode fiber. Later on, the embedded FBG strain sensor could be used as a smart sensor for the health monitoring of composite structures, e.g. for impact or layer delamination detection.
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页码：785 / 787
页数：3
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