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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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Yasa, Evren
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Understanding process parameter-induced variability for tailoring precipitation behavior, grain structure, and mechanical properties of Al-Mg-Si-Mn alloy during solid-state additive manufacturingcitations
- 2024Cleaning and coating procedures determine biological properties of gyroid porous titanium implants
- 2024Systematic review on additive friction stir deposition: materials, processes, monitoring and modellingcitations
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applications:an analysis through Timoshenko beam theory, the Gibson-Ashby model and experimental methodscitations
- 2024Characterisation of materials properties and defects in structure fabricated via additive friction stir deposition
- 2024Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applicationscitations
- 2023Thin-Walled Commercially Pure Titanium Structures: Laser Powder Bed Fusion Process Parameter Optimizationcitations
- 2021The Laser Powder Bed Fusion Process Development of 17-4 PH Stainless Steels with Pulsed-Wave Lasers
- 2021Parametric simulations for residual stresses and distortions of inconel 625 fabricated by laser powder bed fusion additive manufacturing
- 2019Dimensional Accuracy and Mechanical Properties of Chopped Carbon Reinforced Polymers Produced by Material Extrusion Additive Manufacturingcitations
- 2018Additive Manufacturing of Polymer Matrix Compositescitations
- 2012Investigation on the inclusions in maraging steel produced by selective laser melting
- 2012Assessing and comparing influencing factors of residual stresses in selective laser melting using a novel analysis methodcitations
- 2012A preliminary investigation on selective laser melting of M2 high speed steel
- 2011The investigation of the influence of laser re-melting on density, surface quality and microstructure of selective laser melting parts
- 2010Microstructure and mechanical properties of maraging steel 300 after Selective Laser Melting
- 2010Part and material properties in selective laser melting of metals
- 2009Microstructure evolution of selective laser molten 316L stainless steel parts with laser re-melting
- 2009Improving Productivity Rate in SLM of Commercial Steel Powders
- 2009Experimental investigation of laser surface re-melting for the improvement of selective laser melting process
- 2009Investigation on occurrence of elevated edges in Selective Laser Melting
- 2009Rapid Manufacturing Research at the Catholic University of Leuven
- 2009An Experimental study of Process Parameters in Laser Marking
- 2009Experimental Investigation of Charpy Impact Tests on Metallic SLM parts
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article
Choosing between commercially pure titanium and Ti-6Al-4V gyroid structures for orthopedic applications
Abstract
<p>For decades, research has focused on using gyroid lattice structures to prevent stress-induced osteopenia and improve osseointegration by promoting cell adhesion and transition, particularly in cases where implant removal is not desired after complete healing. Despite these advantages, in-depth research is still needed for innovative biomedical implants to reach optimum functionality. Although commercially pure titanium (Cp-Ti) and Ti6Al4V are both popular materials for standalone bone implants, they are not likely paired within the same application due to mechanical property differences. This study proposes a case-specific workflow to support orthopedic implant design considerations, by analytically and experimentally investigating the mechanical response of additively manufactured lattice gyroid structures in both Cp-Ti and Ti6Al4V with different porosity rates. The experimental results of both materials indicate a significant decrease in the elastic modulus against two employed analytical methods, Gibson-Ashby model and Timoshenko beam theory. This is linked to inherent manufacturing-induced stress concentrations on the physical gyroids. The experimental outcome presents itself significantly closer to the predictions of Timoshenko beam theory compared to Gibson Ashby method. Both gyroid titanium structures are loyal to Timoshenko theory, displaying a combination of multi deformation behaviors instead of one-way deformation. The deformation response of Ti6Al4V showed a 45⁰ shear band while Cp-Ti exhibited smoother deformation during compression. Higher porosity rates led to an increase in ductility due to extended horizontal plateau regions in both Cp-Ti and Ti6Al4V lattice structures. The results provide valuable comparative insight and considerations on the material choice for gyroid lattice structures within bone implants.</p>