Welding of Thermoplastics
ÉireComposites is involved in serial production, prototyping and R&D in thermoplastic composite (TPC) components for the aerospace, transport, wind energy and marine industries, using both press-moulding and autoclave facilities.
As part of the Ybridio and Innova projects, ÉireComposites has performed research on welding of composites which offers the capacity for reduced cost and increased automation. The company can carry out induction and resistance welding and amorphous bonding of CP/PEEK, CF/PEKK and GF/PP. Welding of thermoplastics was evaluated for the Bombardier C-series composite wing.
Automated Tape Placement (ATP) has become a mainstream processing technique used to manufacture large thermoset Carbon-fiber components. ÉireComposites has developed specialised heated tooling to allow the use of ATP for thermoplastic composites. ATP of thermoplastics involves the automated deposition of thermoplastic composite tape onto a tool surface while consolidating the tape in-situ via the application of heat and pressure. ÉireComposites is manufacturing a 1.5m cylinder using ATP for the European Space Agency as part of the Future Launchers Preparatory Programme.
Other Research & Development
ÉireComposites has been involved in a number of high-profile Research and Development projects including:
- Collaborative R&D on EU ALCAS project, led by Airbus UK, involving design manufacture of composite wing ribs and centre wing box components. We also develop and manufacture composite wingbox structures. CTL (Composites Testing Labratory) is involved in materials characterisation and in structural testing of composite wingbox components.
- Collaborative R&D on EU DINAMIT project, characterising new thermoplastic composites for aircraft components. Other industrial partners include CRC EADS (F), Airbus- F, Airbus-UK, Airbus-D, Dassault (F), Eurocopter (F).
- Coupon and First Part Qualification cut-up testing for numerous aerospace customers throughout Europe.
- R&D with European Space Agency and industrial partner to develop and characterise thermoplastic composites for space launcher (Ariane 6) and satellite applications.
ÉireComposites’ research and development has resulted in a number of publications including the following:
- Rotational Moulding of PEEK Polymer Liners with Carbon Fibre/PEEK Over Tape-Placement for Space Cryogenic Fuel Tanks
Murray, B. R., Doyle, A., Feerick, P. J., Semprimoschnig, C. O. A., Leen, S. B. & O Brádaigh, C. 13 Jul 2017 In: Materials and Design.
- Permeability of Carbon Fibre PEEK Composites for Cryogenic Storage Tanks of Future Space Launchers
Flanagan, M., Grogan, D. M., Goggins, J., Appel, S., Doyle, K., Leen, S. & O Brádaigh, C. 12 Jun 2017 In: Composites Part a-Applied science and manufacturing.
- Polymer Lined COPVS Formed using an Integrally Heated Rotational Moulding Tool and Laser Assisted Tape Placement
Murray, B. R., Leen, S., Semprimoschnig, C. O. A. & O Brádaigh, C. 30 May 2016 SAMPE Conference 2016.
- Helium Permeability of Polymer Materials as Liners for Composite Overwrapped Pressure Vessels
Murray, B., Leen, S., Semprimoschnig, C. & O Brádaigh, C. 19 Apr 2016 In : Journal of Applied Polymer Science. 133, 29.
- Damage and permeability in tape-laid thermoplastic composite cryogenic tanks
Grogan, D. M., Ó Brádaigh, C. M., McGarry, J. P. & Leen, S. B. 7 Sep 2015 In: Composites part a-Applied science and manufacturing. 78, p. 390-402 13.
- Characterization of Cryogenically-Cycled Autoclaved and ATL CF/PEEK Laminates using 3-D X-Ray CT
Grogan, D. M., Leen, S. B. & O Brádaigh, C. 31 Jul 2015 20th International Conference on Composite Materials.
- A combined XFEM and cohesive zone model for composite laminate microcracking and permeability
Grogan, D. M., O Bradaigh, C. & Leen, S. B. 1 Feb 2015 In : Composite Structures. 120, p. 246-261 16.
- Use of carbon fibres for reinforcement of thin geopolymer cement sections
Twomey, B., Ó Brádaigh, C. M., Doyle, A., Feerick, P. J. & Stanton, K. T. 2014 In : Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 228, 3, p. 208-216 9.
- Feasibility of carbon fibre/peek composites for cryogenic fuel tank applications
Doyle, K., Doyle, A., O’Brádaigh, C. M. & Jaredson, D. 2012 European Space Agency, (Special Publication) ESA SP. Vol. 691.