Based on theoretical approaches a map predicting the failure mechanism of sandwich panels beam geometry in three point bending can be constructed. In this work, failure maps for sandwich panels are presented for natural fiber honeycomb cores.

Juan Pablo Vitale (Universidad Nacional de Mar del Plata) Gaston Francucci (National University of Mar del Plata ) Ariel Stocchi (National University of Mar del Plata )

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Using a new hybrid testing method, a study on the dependency of different base materials and geometries on the mechanical, flatwise compression properties for Miura-ori foldcores under otherwise identical conditions will be presented.

Fabian Muhs (University of Stuttgart) Yves Klett (Insitute of Aircraft Design (IFB)) Peter Middendorf (University of Stuttgart)

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In order to investigate the extend and effect of honeycomb imperfections an experimental and numerical study has been conducted. Some of the experimental findings are given in this paper as well as an example for the effect of geometric deviations.

Chris Fischer (Technical University of Dresden) Falk Hähnel (Technical University of Dresden) Andreas Hauffe (Technical University of Dresden) Klaus Wolf (Technical University of Dresden)

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In this paper two different approaches for the production of composite sandwiches are introduced, which show high potential to lower the manufacturing costs while featuring sufficient performance for certain aerospace applications.

Jonas Grünewald (Airbus Group Innovations) Jürgen Fillsinger (Airbus Group Innovations) Patricia Parlevliet (Airbus Group Innovations) Volker Altstädt (University of Bayreuth)

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Three novel crack stopper designs for foam cored composite sandwich structures have been investigated with respect to their ability to deflect and arrest propagating face sheet/core debond cracks.

Georgios Martakos (Aalborg University) Wei Wang (University of Southampton) Jens H Andreasen (Aalborg University) Janice Dulieu-Barton (University of Southampton) Christian Berggreen (Technical University of Denmark) Ole Thybo Thomsen (University of Southampton)

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An analytic formula is used for predicting the transverse load capability of insert load introductions within an insert sizing tool. The discrepancies to experiments results as well as the parameters of influence are discussed.

Johannes Wolff (German Aerospace Center) Marco Brysch (German Aerospace Center) Christian Hühne (German Aerospace Center)

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A sandwich skateboard with carbon fiber reinforced face layers and a composite core (glass foam granule in epoxy resin) is shown. For the core material a continuum damage mechanics model for uniaxial static / cyclic loading is developed and verified.

Sergej Diel (Audi AG) Otto Huber (University of Applied Sciences Landshut)

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Sandwich panels for building construction: Simulated central support tests are able to reproduce real two span conditions for wall panels. For roof panels they are clearly on the safe side. A wider mid-support increases the performance in both cases.

Harald Nelke (Technische Universität Darmstadt) Jörg Lange (Technische Universität Darmstadt)

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Wandong Wang (Delft University of Technology) Calvin Rans (Delft University of Technology) Zhinan Zhang (First Aircraft Design and Research Institute of AVIC) Rinze Benedictus (Delft University of Technology)

This paper outlines a prediction model for analysing MSD crack growth in mechanically fastened joints based on linear elastic fracture mechanics and the principle of superposition.

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Björn Bosbach (Technische Universität Hamburg-Harburg) Hauke Meeuw (Technische Universität Hamburg-Harburg) Bodo Fiedler (Technische Universität Hamburg-Harburg)

The hybrid composites with solid and perforated metal sheets are manufactured by Vacuum-Assisted-Resin-Transfer-Moulding. Resulting in high quality composites with enhanced load bearing capability.

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