Embedded fibre Bragg grating sensors in advanced composite materials

Kuang, K. S. C.; Kenny, Robert P.; Whelan, Maurice; Cantwell, W.J.; Chalker, Paul R.

doi:10.1016/s0266-3538(01)00037-9

Cited by 202 publications

(129 citation statements)

References 21 publications

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“…Another aspect which needs to be considered is the effect of the process of manufacture of composite laminate on the measuring properties of the FBG sensors located inside it. In (Kuang et al, 2001) the authors analyzed the spectrum reflected from the fibre Bragg grating in the reference environment (outside the composite before installation), comparing it with the response of a sensor embedded directly between the layers of the laminate. For some test samples they found the spectrum reflected from the sensor to be distorted and widened.…”

Section: Reinforcing Laminates and Pultruded Compositesmentioning

confidence: 99%

Application of Optical Fibre Sensors to Measuring the Mechanical Properties of Composite Materials and Structures

Błażejewski¹,

Gąsior²,

Kaleta³

2011

Advances in Composite Materials - Ecodesign and Analysis

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Section: Reinforcing Laminates and Pultruded Compositesmentioning

confidence: 99%

Application of Optical Fibre Sensors to Measuring the Mechanical Properties of Composite Materials and Structures

Błażejewski¹,

Gąsior²,

Kaleta³

2011

Advances in Composite Materials - Ecodesign and Analysis

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“…The key issue in structures design is to obtain optimal mechanical properties and also possibility of their monitoring [1][2][3]. Such a control can be achieved by embedding highly birefringent (HB) optical fiber sensors inside a composite material during the lamination process.…”

Section: Introductionmentioning

confidence: 99%

Influence of Angular Orientation of the Embedded Highly Birefringent Fiber on PMD Changes under Axial Stress

et al. 2011

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In the paper we present results of the research on polarization mode dispersion changes inside the polarimetric optical fiber sensors based on highly birefringent optical fibers embedded into composite materials with different angular orientations of the optical axes. Based on measurements made for different types of highly birefringent optical fiber sensors we have shown that strain sensitivities after lamination process are different in comparison to the data obtained before lamination. Our results indicate that polarization mode dispersion in side-hole highly birefringent fibers under axial stress strongly depends on fiber orientation in the composite material suggesting that orientation of the polarization axes of the highly birefringent fiber can be responsible for behavior of the fiber inside the composite material.

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“…Fiber Bragg grating has been employed in a variety of engineering applications involving internal strain measurements in composite plates monitoring and in-service structure control, damage detection [9][10][11][12] . When the FBG is embedded in composite material all mechanical forces in the material are transmitted to FBG.…”

Section: Introductionmentioning

confidence: 99%

“…Different measurement techniques can be employed to determine strain and temperature variation associated to induced modification in the reflected spectrum of Bragg grating [6][7][8][9][10][11][12][13][14] . Frequently, the measure is taken with commercially available optical spectrum analyzers (OSA).…”

Section: Introductionmentioning

confidence: 99%

Mechanical characterization using optical fiber sensors of polyester polymer concrete made with recycled aggregates

et al. 2009

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The sustainable management of solid wastes encourages metallurgic and metal-mechanic industries to look for safety applications for their wastes, thereby attenuating the environmental impact or lowering the costs. The study herein proposes strain monitoring the recycling of foundry sand with organic pollutants, as inert, in the manufacturing process of polymer concrete using optical fiber sensors. This work also analyzes the compressive strength of polyester polymer concrete made with foundry waste, i.e., recycled foundry sand and polyester polymer concrete made with fresh sand. The foundry sands are contaminated with Sodium Silicate from the mould-making process. Polymer Concrete (PC) is a composite material in which the binder consists entirely of a synthetic organic polymer. Optical fiber sensors present a great deal of potential in monitoring the structural health condition of materials. Experimental results show that the use of the embedded FBG sensor can accurately measure strain, providing information to the operator that the structure is subjected to failure. Multiplexed FBG strain sensors enable measuring strain in different locations by occupying only one tiny optical fiber.

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Embedded fibre Bragg grating sensors in advanced composite materials

Cited by 202 publications

References 21 publications

Application of Optical Fibre Sensors to Measuring the Mechanical Properties of Composite Materials and Structures

Application of Optical Fibre Sensors to Measuring the Mechanical Properties of Composite Materials and Structures

Influence of Angular Orientation of the Embedded Highly Birefringent Fiber on PMD Changes under Axial Stress

Mechanical characterization using optical fiber sensors of polyester polymer concrete made with recycled aggregates

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