Skip to main content
Article thumbnail
Location of Repository

A dielectric sensor for measuring flow in resin transfer moulding.

By Alexandros A. Skordos, Panagiotis I. Karkanas and Ivana K. Partridge


The development, analysis and experimental validation of a novel flow and cure sensor for use in the resin transfer moulding of composites are presented. A linear relationship is established between the flow front position in the mould and electrical admittance measurements gathered using the sensor setup, allowing accurate flow front location. The sensor performance as an indicator of flow front position is evaluated using visual verification. Its efficiency for monitoring of the curing stage is assessed by comparison of the measurements with data obtained from more conventional microdielectrometry. Experimental results demonstrate that the sensor can locate the flow front accurately. The measurement output is in the form of a complex number; this suggests a potential qualitative self-assessment method. The monitoring of the cure process using the new sensor shows performance similar to that of the established microdielectrometric techniques

Topics: flow monitoring, cure monitoring, RTM, dielectric sensors, impedance
Publisher: Iop Publishing Ltd
Year: 2000
DOI identifier: 10.1088/0957-0233
OAI identifier:
Provided by: Cranfield CERES

Suggested articles


  1. (1996). Modelling and simulation of resin transfer moulding (RTM)-gate control, venting and dry spot prediction Composites, doi
  2. (1998). Couniot A and Dupret F doi
  3. (1993). and Long A C
  4. (1994). The interaction between micro- and macro-scopic flow in RTM preforms doi
  5. (1998). Mathematical modelling of macro- and micro-infiltration in resin transfer moulding doi
  6. (1996). Modelling the cure of a commercial epoxy resin for applications in doi
  7. (1995). Heat transfer analysis of non-isothermal resin transfer molding by the finite element method Materials and Manufacturing Processes doi
  8. (1995). Thermal dispersion in resin transfer molding doi
  9. (1998). Integrated product and process design for resin transfer molded parts doi
  10. (1997). A nonlinear control method for resin transfer molding doi
  11. (1994). and Loos A C doi
  12. (1997). Cure monitoring of the liquid composite molding process using fiber optic sensors doi
  13. (1996). Measurement of in-plane permeability of anisotropic fiber reinforcements doi
  14. (1996). In-plane permeability determination for simulation of liquid composite molding of complex shapes doi
  15. (1996). Concurrent methods for permeability measurement in resin transfer molding doi
  16. (1991). In-situ monitoring of the resin transfer molding impregnation and cure process Polymer Engineering and doi
  17. (1996). Sensor system for monitoring impregnation and cure during resin transfer molding doi
  18. (1998). Resin flow front monitoring saves money and improves quality
  19. (1997). Evanescent wave fluorescence fiber optic flow sensor for resin transfer molding
  20. (1999). Intelligent curing of composites: Optimizing the placement and the response of dielectric sensors in monitoring autoclave composite cure
  21. (1998). Impedance spectroscopy of reactive polymers. 5. Impedance as a measure of chemical and physical changes in glass formers doi

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.