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Design, manufacture and testing of a seamless morphing concept for a smart aircraft wingtip

: Nagel, Christof; Fiedler, Arne; Schorsch, Oliver; Lühring, Andreas

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Araújo, A. (Ed.); Mota Soares, C. (Ed.) ; European Community on Computational Methods in Applied Science -ECCOMAS-; Instituto de Engenharia Mecânica -IDMEC-, Lisboa:
Smart materials and structures : SMART'15. Online proceedings : 7th ECCOMAS Thematic Conference on Smart Structures and Materials. 3-6 June 2015, Ponta Delgada, Azores
Online im WWW, 2015
ISBN: 978-989-96276-8-0
13 pp.
Thematic Conference on Smart Structures and Materials (SMART) <7, 2015, Ponta Delgada>
Conference Paper, Electronic Publication
Fraunhofer IFAM ()

This study is focused on the mechanical properties of an adaptive elastomericpart, developed for potential application in smart wings. Elastomer precursor was used tomanufacture a bonded, deformable part, which is used to close the variable gap between amoving part and a non-moving part of a wing section. The basic functionality of the part is totake up the geometric gap change and to turn it into strain. In this way, a smooth transitionbetween the connected surfaces can be obtained. An elastomeric material, which wasoptimized for the specific application, was investigated. The tests involve static loads, fatigueloads, and physical aging in the temperature range from –55°C to +80°C. A constitutivematerial model was developed and subsequently used in order to predict the properties of theadaptive part. Finally, a prototype of the part was manufactured and tested.