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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Loukaides, Evripides G.
University of Bath
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Resistance-welded thermoset compositescitations
- 2024An analytical model for wrinkle-free forming of composite laminatescitations
- 2024Auxetic fixation devices can achieve superior pullout performances compared to standard fixation conceptscitations
- 2022FRACTURE TOUGHNESS AND PERFORMANCE OF RESISTANCE-WELDED AND CO-BONDED THERMOSET/THERMOPLASTIC POLYMER COMPOSITE HYBRID JOINTS
- 2022Producing isolated shrink corners by folding-shearingcitations
- 2019Stacking sequence selection for defect-free forming of uni-directional ply laminatescitations
- 2019Additive manufacture of multistable structurescitations
- 2017Ply interface angles to promote automated forming of aerospace structures
- 2015Multistable grid and honeycomb shellscitations
Places of action
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article
Additive manufacture of multistable structures
Abstract
Residual thermal stresses which develop during additive manufacturing processes are often a cause of unwanted component deformation and mechanical failure. We demonstrate that this impairment can in fact be exploited to enhance the design process for shell structures, where bistability is known to emerge in particular instances due to the presence of inelastic stresses. Multistable structures are produced through a single additive manufacturing operation by considering the inherent availability of thermal stresses in certain additive technologies. This concept is demonstrated through an analytical example, numerical simulations and a physical demonstrator produced via selective laser sintering of a titanium alloy. Our findings underline these hitherto untapped capabilities of additive processes and facilitate a deeper understanding of the thermal stresses developed during manufacture.