In-situ process and condition monitoring of advanced fibre-reinforced composite materials using optical fibre sensors

被引：86

作者：

Doyle, C ^{[1
]}

Martin, A ^{[1
]}

Liu, T ^{[1
]}

Wu, M ^{[1
]}

Hayes, S ^{[1
]}

Crosby, PA ^{[1
]}

Powell, GR ^{[1
]}

Brooks, D ^{[1
]}

Fernando, GF ^{[1
]}

机构：

[1] Brunel Univ, Dept Mat Engn, Uxbridge UB8 3PH, Middx, England

来源：

SMART MATERIALS & STRUCTURES | 1998年 / 7卷 / 02期

关键词：

D O I：

10.1088/0964-1726/7/2/002

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This paper presents a general overview of a number of optical fibre sensor systems which have been developed and used in advanced fibre-reinforced composites for in-situ process and condition monitoring. The in-situ process monitoring techniques were optical-fibre-based evanescent wave spectroscopy, transmission near-infrared spectroscopy and refractive index monitoring. The optical fibre sensors were successful in tracking the cure reaction. The condition monitoring of advanced fibre-reinforced composites was carried out using two intensity-based optical fibre sensor systems: an extrinsic multi-mode Fabry-Perot sensor and Bragg gratings. In addition to this, the feasibility of using the reinforcing fibre as a light guide was demonstrated. These sensor systems were evaluated under quasi-static, impact and fatigue loading. The test specimens consisted of prepreg-based carbon-fibre-reinforced epoxy and glass-fibre-reinforced epoxy filament-wound tubes. Excellent correlation was obtained between surface-mounted strain gauges and the embedded optical fibre sensors. The feasibility of using these sensor systems for the detection of impact damage and stiffness reduction in the composite due to fatigue damage was successfully demonstrated.

引用

页码：145 / 158

页数：14

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