Advanced process simulations for thick-section epoxy powder composite structures

James Maguire, Nathan D. Sharp, R. Byron Pipes, Conchúr M. Ó Brádaigh

Research output: Contribution to journalArticlepeer-review


Numerical modelling is used to perform process simulations for thick-section composite laminates. Three forms of laminate are used to illustrate how thermal and cure gradients can be reduced by choice of thermal cycle. Low exotherm epoxy powders with the vacuum bag process have shown success in both glass and carbon fiber systems and the results presented in the present work show how the optimum thermal cycle can be determined. The three laminate geometries investigated in the present study included: a one-dimensional flat laminate, a three-dimensional flat laminate, and an axisymmetric section of the cylindrical root of a typical wind turbine blade. Further, energy efficient and cost-effective alternative heating methods are explored.
Original languageEnglish
Article number107073
JournalComposites Part A: Applied Science and Manufacturing
Early online date16 Jul 2022
Publication statusPublished - Oct 2022


  • Epoxy powder
  • Finite element analysis (FEA)
  • Process simulation
  • Out of autoclave processing


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