Journal
COMPOSITE STRUCTURES
Volume 159, Issue -, Pages 424-432Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2016.09.097
Keywords
Bending-Twisting coupling; Compression buckling; Non-dimensional stiffness parameters; Lamination parameters; Fibre Metal Laminates; Thin ply material
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Funding
- Ministry of Science and Higher Education of Poland - National Science Centre [UMO-2012/07/B/ST8/04093]
- Newton Research Collaboration Programme [NRCP1516/4/50]
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The buckling response and load carrying capacity of thin-walled open cross-section profiles made of Fibre Metal Laminates, subjected to static axial compression loading are considered. These include thin-walled Z-shape and channel cross-section profiles adopting a 3/2 FML lay-up design, made of 3 aluminium layers. The objective of the investigation is the comparison of standard thickness Fibre Reinforced Plastic layers versus thin-ply material technology. Whilst thin ply designs differ only by the layer thickness, they offer an exponential increase in stacking sequence design freedoms, allowing detrimental coupling effects to be eliminated. The benefit of different hybrid materials are also considered. The comparisons involve semi-analytical and finite element methods, which are validated against experimental investigations. (C) 2016 Elsevier Ltd. All rights reserved.
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