Process monitoring of fibre reinforced composites using a multi-measurand fibre-optic sensor

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Process monitoring of fibre reinforced composites using a multi-measurand fibre-optic sensor. / Kochumulappon-Raghavan-Nair, Abilash-Kumar; Machavaram, Venkata R.; Mahendran, Ramani S.; Pandita, Surya D.; Paget, Christophe; Barrow, Colin; Fernando, Gerard F.

In: Sensors and Actuators B: Chemical, Vol. 212, 06.2015, p. 93-106.

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@article{6791f961305749ef9f89fb700c2e3af4,
title = "Process monitoring of fibre reinforced composites using a multi-measurand fibre-optic sensor",
abstract = "This paper reports on the design, fabrication, characterisation and deployment of a multi-measurand optical fibre sensor (MMS) that is capable of simultaneously monitoring strain, temperature, refractive index and cross-linking chemistry. The sensor design is based on the extrinsic fibre Fabry–Perot interferometer. A feature of this sensor system is that a conventional multi-channel fibre-coupled near-infrared spectrometer is used to monitor the four independent parameters. The issues relating to the measurement resolution of the individual sensors and the associated interrogation equipment are discussed. The MMS was embedded in between the fourth and fifth plies of an eight-ply E-glass plain-weave fabric. A commercially available thermosetting epoxy/amine resin system was used to impregnate the fabric layers manually. The laminated preform was vacuum-bagged and cured in an autoclave. The following parameters were monitored: the depletion rates of the epoxy and amine functional groups in the resin system; the temperature in close proximity to the “chemical sensor”; the evolution of strain; and the refractive index of the resin system. The effect of post-processing on the output from the embedded optical fibre sensors is also considered.",
keywords = "Bragg grating, Extrinsic fibre Fabry–Perot interferometric sensor, Cure monitoring, Multi-measurand",
author = "Abilash-Kumar Kochumulappon-Raghavan-Nair and Machavaram, {Venkata R.} and Mahendran, {Ramani S.} and Pandita, {Surya D.} and Christophe Paget and Colin Barrow and Fernando, {Gerard F.}",
year = "2015",
month = jun,
doi = "10.1016/j.snb.2015.01.085",
language = "English",
volume = "212",
pages = "93--106",
journal = "Sensors and Actuators B: Chemical",
issn = "0925-4005",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Process monitoring of fibre reinforced composites using a multi-measurand fibre-optic sensor

AU - Kochumulappon-Raghavan-Nair, Abilash-Kumar

AU - Machavaram, Venkata R.

AU - Mahendran, Ramani S.

AU - Pandita, Surya D.

AU - Paget, Christophe

AU - Barrow, Colin

AU - Fernando, Gerard F.

PY - 2015/6

Y1 - 2015/6

N2 - This paper reports on the design, fabrication, characterisation and deployment of a multi-measurand optical fibre sensor (MMS) that is capable of simultaneously monitoring strain, temperature, refractive index and cross-linking chemistry. The sensor design is based on the extrinsic fibre Fabry–Perot interferometer. A feature of this sensor system is that a conventional multi-channel fibre-coupled near-infrared spectrometer is used to monitor the four independent parameters. The issues relating to the measurement resolution of the individual sensors and the associated interrogation equipment are discussed. The MMS was embedded in between the fourth and fifth plies of an eight-ply E-glass plain-weave fabric. A commercially available thermosetting epoxy/amine resin system was used to impregnate the fabric layers manually. The laminated preform was vacuum-bagged and cured in an autoclave. The following parameters were monitored: the depletion rates of the epoxy and amine functional groups in the resin system; the temperature in close proximity to the “chemical sensor”; the evolution of strain; and the refractive index of the resin system. The effect of post-processing on the output from the embedded optical fibre sensors is also considered.

AB - This paper reports on the design, fabrication, characterisation and deployment of a multi-measurand optical fibre sensor (MMS) that is capable of simultaneously monitoring strain, temperature, refractive index and cross-linking chemistry. The sensor design is based on the extrinsic fibre Fabry–Perot interferometer. A feature of this sensor system is that a conventional multi-channel fibre-coupled near-infrared spectrometer is used to monitor the four independent parameters. The issues relating to the measurement resolution of the individual sensors and the associated interrogation equipment are discussed. The MMS was embedded in between the fourth and fifth plies of an eight-ply E-glass plain-weave fabric. A commercially available thermosetting epoxy/amine resin system was used to impregnate the fabric layers manually. The laminated preform was vacuum-bagged and cured in an autoclave. The following parameters were monitored: the depletion rates of the epoxy and amine functional groups in the resin system; the temperature in close proximity to the “chemical sensor”; the evolution of strain; and the refractive index of the resin system. The effect of post-processing on the output from the embedded optical fibre sensors is also considered.

KW - Bragg grating

KW - Extrinsic fibre Fabry–Perot interferometric sensor

KW - Cure monitoring

KW - Multi-measurand

U2 - 10.1016/j.snb.2015.01.085

DO - 10.1016/j.snb.2015.01.085

M3 - Article

VL - 212

SP - 93

EP - 106

JO - Sensors and Actuators B: Chemical

JF - Sensors and Actuators B: Chemical

SN - 0925-4005

ER -