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The effect of cure cycle heating rate on the fibre/matrix interface

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conference contribution
posted on 2007-01-01, 00:00 authored by V Coenen, A Walker, R Day, A Nesbitt, Jin Zhang, Bronwyn Fox
Development of civil aerospace composites is key to future “greener” aircraft. Aircraft manufacturers must improve efficiency of their product and manufacturing processes to remain viable. The aerospace industry is undergoing a materials revolution in the design and manufacture of composite airframes. The Airbus A350 and Boeing 787 (both due to enter service in the latter part of this decade) will push utilisation levels of  composite materials beyond 50% of the total airframe by weight. This  change requires massive investment in materials technology, manufacturing capability and skills development. The Quickstep process provides the ability to rapidly cure aerospace standard composite materials whilst providing enhanced mechanical properties. Utilising fluid to transfer heat to the   composite component during the curing process allows far higher heat rates than with conventional cure techniques. The rapid heat-up rates reduce the viscosity of the resin system greatly to provide a longer processing window introducing greater flexibility and removing the need for high pressure during cure. Interlaminar fracture toughness (Mode I) and Interfacial Shear Strength of aerospace standard materials cured using Quickstep have been    compared to autoclave cured laminates. Results suggest an improvement in fibre-matrix adhesion.

History

Pagination

157 - 164

Location

Roskilde, Denmark

Open access

  • Yes

Start date

2007-09-03

End date

2007-09-06

ISBN-13

9788755036260

ISBN-10

8755036260

Language

eng

Notes

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Publication classification

E1 Full written paper - refereed

Editor/Contributor(s)

B Sorensen, L Mikkelsen, H Lilholt, S Goutianos, F Abdul-Mahdi

Title of proceedings

Proceedings of the 28th Risø International Symposium on Materials Science: Interface Design of the Polymer Matrix Composites - Mechanics, Chemistry, Modelling and Manufacturing

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