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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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Robinson, John
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 20243D printed CoCrMo personalised load-bearing meta-scaffold for critical size tibial reconstructioncitations
- 2024Acoustic metamaterials for sound absorption and insulation in buildingscitations
- 2023Melt Pool Monitoring and X-ray Computed Tomography-Informed Characterisation of Laser Powder Bed Additively Manufactured Silver–Diamond Compositescitations
- 2022Smart Tribological Coatingcitations
- 2022Crushing and energy absorption properties of additively manufactured concave thin-walled tubescitations
- 2022Electrical conductivity of additively manufactured copper and silver for electrical winding applicationscitations
- 2022Electrical Conductivity of Additively Manufactured Copper and Silver for Electrical Winding Applicationscitations
- 2022Electrical Conductivity of Additively Manufactured Copper and Silver for Electrical Winding Applications
- 2021Deformation and energy absorption of additively manufactured functionally graded thickness thin-walled circular tubes under lateral crushingcitations
- 2021Mechanical and thermal performance of additively manufactured copper, silver and copper–silver alloyscitations
- 2021Additive manufacturing of anti-SARS-CoV-2 Copper-Tungsten-Silver alloycitations
- 2021Additive manufacturing of anti-SARS-CoV-2 copper-tungsten-silver alloycitations
- 20213D printed auxetic nasopharyngeal swabs for COVID-19 sample collectioncitations
- 2021Mechanical and thermal performance of additively manufactured copper, silver, and copper-silver alloyscitations
- 2021Smart tribological coatingcitations
- 20213d printed cobalt-chromium-molybdenum porous superalloy with superior antiviral activitycitations
- 2020Effect of silver addition in copper-silver alloys fabricated by laser powder bed fusion in situ alloyingcitations
- 2020Stable formation of powder bed laser fused 99.9% silvercitations
- 2020Mechanical performance of additively manufactured pure silver antibacterial bone scaffoldscitations
- 2020Mechanical performance of additively manufactured pure silver antibacterial bone scaffoldscitations
- 2020Correlation between selective laser melting parameters, pore defects and tensile properties of 99.9 % silvercitations
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article
Deformation and energy absorption of additively manufactured functionally graded thickness thin-walled circular tubes under lateral crushing
Abstract
<p>Functionally graded thickness (FGT) is an innovative concept to create light-weight structures with better material distribution and promising energy absorption characteristics suitable for vehicle crashworthiness applications. Accordingly, this paper suggests innovative circular tubes with in-plane thickness gradient along their perimeter and assesses their crashworthiness behaviour under lateral loading. Three different designs of circular tubes with thickness gradient were considered in which the locations of maximum and minimum thicknesses are varied. Selective laser melting method of additive manufacturing was used to manufacture the different tubes. Two different bulk powders including titanium (Ti6Al4V) and aluminium (AlSi10Mg) were used in the manufacturing process. Quasi-static crush experiments were conducted on the laser melted tubes to investigate their crushing and energy absorption behaviour. The energy absorption characteristics of the different FGT tubes were calculated and compared against a uniform thickness design. The results revealed that the best crashworthiness metrics were offered by FGT titanium tube in which the maximum thickness regions were along the horizontal and vertical directions while the minimum thickness regions were at an angle of 45° with respect to the loading direction. The aforementioned tube was found to absorb 79% greater energy per unit mass than its uniform thickness counterpart. Finally, with the aid of numerical simulations and surrogate modelling techniques, multi-objective optimisation and parametric analysis were conducted on the best FGT tube. The influences of the geometrical parameters on the crashworthiness responses of the best FGT structure were explored and the optimal thickness gradient parameters were determined. The results reported in this paper provide valuable guidance on the design of FGT energy absorption tubes for lateral deformation.</p>