Integrally Stiffened Thermoplastic Skin Panels
Fokker Aerostructures BV, Hoogeveen, The Netherlands
Within a multiparty aerospace development project called TAPAS, a novel thermoplastic skin concept with coconsolidated stringers is being brought to technology readiness level (TRL) 6. The stringers are T-shaped and made of flat preforms that are butt jointed to each other and to the panel skin. The skin itself is fiber placed and co-consolidated with the stiffeners. The butt-jointed stiffeners make the production method relatively simple. A design feature was developed in order to absorb high energy level impacts. The result is an affordable and tough thermoplastic product. Development and testing of the panel concept has been done in a step-by-step approach. Consecutive building blocks are coupons, three-stringer subcomponent panels and finally a full scale 6 meter span skin panel. This panel has been assembled into a torsion box and successfully tested.
ITHEC 2012 Manuscript C4
Publication date: 30/11/-0001
Manuscript C4 published in Conference Proceedings ITHEC 2012
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