Resin Characterisation for Numerical Modelling of Through-Thickness Resin Flow During OOA Processing of Thick-Section Wind or Tidal Turbine Blades

James Maguire, Ananda S. Roy, Derrick Doyle, Mark Logan, Conchur O Brádaigh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The characterisation of a powder-epoxy resin has been carried out using differential scanning calorimetry (DSC) and parallel-plate rheometry, for both isothermal and dynamic conditions. The powder-epoxy has been identified as a candidate material for the cost-effective manufacture of thick composite sections in marine renewable energy (MRE) applications. The objective of this research was to investigate the powder-epoxy under different processing conditions, with the overall aim of developing a numerical resin flow model that can optimise material processing and ensure that high quality manufacturing is achieved. The experimental sets of data for DSC and rheometry have been fitted to a cure kinetics model and a chemorheological model, respectively. The cure kinetics model was implemented as a predictive tool in the chemorheological model in order to simulate the change in viscosity due to curing. Good initial results were achieved for both models; however, shortcomings in the experimental and theoretical methodologies were identified and outlined, and will be accounted for in future work.
Original languageEnglish
Title of host publication20th International Conference on Composite Materials
Publication statusPublished - 31 Jul 2015

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