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Proceedings 2017, 1(4), 339; doi:10.3390/proceedings1040339

Piezoresistive Pressure Sensors for Resin Flow Monitoring in Carbon Fibre-Reinforced Composite

1
Friedrich-Wilhelm-Bessel-Institut Forschungsges. m.b.H., Bremen, Germany
2
Faserinstitut Bremen, e.V. FIBRE, Bremen, Germany
3
Institute for Micro-Sensors, -Actuators and -Systems (IMSAS), Bremen, Germany
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 18 August 2017
Download PDF [279 KB, uploaded 18 August 2017]

Abstract

Using piezoresistive pressure sensors and in-situ measurement of pressure gradient, the infusion of resin in fiber reinforced composite can be optimized. The optimization of resin flow in Vacuum Assisted Resin Infusion (VARI) is necessary to produce high-quality fibre-reinforced composites. To control the resin infusion process, piezoresistive pressure sensors are embedded to detect the resin flow and resin pressure in Carbon Fibre Reinforced Polymer (CFRP). The measured pressure validates the accuracy of analytical calculations, based on Darcy’s law in a porous medium. The sensors are of small size and therefore do not affect the natural flow of the resin.
Keywords: Vacuum Assisted Resin Infusion (VARI); piezoresistive pressure sensors; embedded sensor; Carbon Fibre Reinforced Polymer (CFRP) Vacuum Assisted Resin Infusion (VARI); piezoresistive pressure sensors; embedded sensor; Carbon Fibre Reinforced Polymer (CFRP)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Moghaddam, M.K.; Breede, A.; Dimassi, A.; Lang, W. Piezoresistive Pressure Sensors for Resin Flow Monitoring in Carbon Fibre-Reinforced Composite. Proceedings 2017, 1, 339.

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