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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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Zhou, Jie
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2024Biodegradation-affected fatigue behavior of extrusion-based additively manufactured porous iron–manganese scaffoldscitations
- 2023Biomechanical evaluation of additively manufactured patient-specific mandibular cage implants designed with a semi-automated workflowcitations
- 2023Extrusion-based 3D printing of biodegradable, osteogenic, paramagnetic, and porous FeMn-akermanite bone substitutescitations
- 2023Quality of AM implants in biomedical applicationcitations
- 2022Extrusion-based additive manufacturing of Mg-Zn alloy scaffoldscitations
- 2022Additive manufacturing of bioactive and biodegradable porous iron-akermanite composites for bone regenerationcitations
- 2022Poly(2-ethyl-2-oxazoline) coating of additively manufactured biodegradable porous ironcitations
- 2022Additive Manufacturing of Biomaterialscitations
- 2021Extrusion-based 3D printing of ex situ-alloyed highly biodegradable MRI-friendly porous iron-manganese scaffoldscitations
- 2021Additively Manufactured Biodegradable Porous Zinc Implants for Orthopeadic Applications
- 2021Extrusion-based 3D printed biodegradable porous ironcitations
- 2021Biocompatibility and Absorption Behavior in Vitro of Direct Printed Porous Iron Porous Implants
- 2021Lattice structures made by laser powder bed fusioncitations
- 2020Additively manufactured biodegradable porous zinccitations
- 2020Multi-material additive manufacturing technologies for Ti-, Mg-, and Fe-based biomaterials for bone substitutioncitations
- 2019Additively manufactured functionally graded biodegradable porous ironcitations
- 2019Modeling high temperature deformation characteristics of AA7020 aluminum alloy using substructure-based constitutive equations and mesh-free approximation methodcitations
- 2019Biodegradation-affected fatigue behavior of additively manufactured porous magnesiumcitations
- 2018Additively manufactured biodegradable porous ironcitations
- 2018A comprehensive investigation of the strengthening effects of dislocations, texture and low and high angle grain boundaries in ultrafine grained AA6063 aluminum alloycitations
- 2018Biodegradation and mechanical behavior of an advanced bioceramic-containing Mg matrix composite synthesized through in-situ solid-state oxidationcitations
- 2017Advanced bredigite-containing magnesium-matrix composites for biodegradable bone implant applicationscitations
- 2017Improvement of mechanical properties of AA6063 aluminum alloy after equal channel angular pressing by applying a two-stage solution treatmentcitations
- 2017Additively manufactured biodegradable porous magnesiumcitations
- 2017Fabrication of novel magnesium-matrix composites and their mechanical properties prior to and during in vitro degradationcitations
- 2016Simultaneous improvements of the strength and ductility of fine-grained AA6063 alloy with increasing number of ECAP passescitations
- 2016An investigation on the properties of injection-molded pure iron potentially for biodegradable stent applicationcitations
- 2015Analysis of the densification behaviour of titanium/carbamide powder mixtures in the preparation of biomedical titanium scaffolds.
- 2015In vitro degradation of magnesium metal matrix composites containing bredigite
- 2015Evolution of macro- and micro-pores in the porous structures of biomedical titanium scaffolds during isothermal sintering
- 2010Preliminary investigation on creep-fatigue regime in extrusion dies
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article
Biodegradation-affected fatigue behavior of extrusion-based additively manufactured porous iron–manganese scaffolds
Abstract
Additively manufactured (AM) biodegradable porous iron-manganese (FeMn) alloys have recently been developed as promising bone-substituting biomaterials. However, their corrosion fatigue behavior has not yet been studied. Here, we present the first study on the corrosion fatigue behavior of an extrusion-based AM porous Fe35Mn alloy under cyclic loading in air and in the revised simulated body fluid (r-SBF), including the fatigue crack morphology and distribution in the porous structure. We hypothesized that the fatigue behavior of the architected AM Fe35Mn alloy would be strongly affected by the simultaneous biodegradation process. We defined the endurance limit as the maximum stress at which the scaffolds could undergo 3 million loading cycles without failure. The endurance limit of the scaffolds was determined to be 90 % of their yield strength in air, but only 60 % in r-SBF. No notable crack formation in the specimens tested in air was observed even after loading up to 90 % of their yield strength. As for the specimens tested in r-SBF, however, cracks formed in the specimens subjected to loads exceeding 60 % of their yield strength appeared to initiate on the periphery and propagate toward the internal struts. Altogether, the results show that the extrusion-based AM porous Fe35Mn alloy is capable of tolerating up to 60 % of its yield strength for up to 3 million cycles, which corresponds to 1.5 years of use of load-bearing implants subjected to repetitive gait cycles. The fatigue performance of the alloy thus further enhances its potential for trabecular bone substitution subjected to cyclic compressive loading. Statement of significance: Fatigue behavior of extrusion-based AM porous Fe35Mn alloy scaffolds in air and revised simulated body fluid was studied. The Fe35Mn alloy scaffolds endured 90 % of their yield strength for up to 3 × 10 6 loading cycles in air. Moreover, the scaffolds tolerated 3 × 10 6 loading cycles at 60 % of their yield strength in revised simulated body fluid. The Fe35Mn alloy scaffolds ...