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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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Tillmann, Wolfgang
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (52/52 displayed)
- 2024Combination of a Viscoelastic and a Tribological Analysis of a Low‐Density Polyethylene with a High Degree of Cross‐linking
- 2024Cutting edge preparation of micro end mills by PVD-etching technologycitations
- 2023Investigation of the applicability of Cu–Fe–Mn–Ni based high entropy and compositionally complex alloys as metal matrix composites for cobalt free hot-pressed diamond tools
- 2023Modification of 316L steel powders with bronze using high energy ball milling for use as a binder component in PBF-LB/M printing of diamond-metal matrix composites
- 2023Metallization of ceramic coatingscitations
- 2023Tuning of solid-to-solid structural transitions in amorphous carbon films by optical pumping and chemical modificationcitations
- 2022Microstructural and tribo-mechanical properties of arc-sprayed CoCr-based coatings
- 2022Low cycle fatigue performance of additively processed and heat-treated Ti-6Al-7Nb alloy for biomedical applicationscitations
- 2022Biodegradable open-porous scaffolds made of sintered magnesium W4 and WZ21 short fibres show biocompatibility in vitro and in long-term in vivo evaluationcitations
- 2022Ultrastrong poly(2‐oxazoline)/poly(acrylic acid) double‐network hydrogels with cartilage‐like mechanical properties
- 2021Force reduction by electrical assistance in incremental sheet-bulk metal forming of gearscitations
- 2021Qualification of the low-pressure cold gas spraying for the additive manufacturing of copper-nickel-diamond grinding wheels
- 2021Thermally assisted machine hammer peening of arc-sprayed ZnAl-based corrosion protective coatings
- 2021Investigation into deep hole drilling of austenitic steel with advanced tool solutions
- 2021Influence of the brazing paste composition on the wetting behavior of reactive air brazed metal-ceramic jointscitations
- 2021Tribo-mechanical properties and biocompatibility of Ag-containing amorphous carbon films deposited onto Ti6Al4Vcitations
- 2021Heat treatment of binder jet printed 17–4 PH stainless steel for subsequent deposition of tribo-functional diamond-like carbon coatings
- 2021Impact of tungsten incorporation on the tribomechanical behavior of AlCrWxSiN films at room and elevated temperature
- 2021Internal diameter coating by warm spraying of fine WC-12Co powders (− 10 + 2 µm) with very short spray distances up to 10 mm
- 2021Experimental investigations of micro-meso damage evolution for a Co/WC-type tool material with application of digital image correlation and machine learning
- 2021Structure and tribo-mechanical properties of MoSx:N:Mo thin films synthesized by reactive dcMS/HiPIMS
- 2021Investigation of joints from laser powder fusion processed and conventional material grades of 18MAR300 nickel maraging steel
- 2020Microstructural characteristics in Babbitt coatings deposited by LPCS
- 2020Adhesion of HVOF-sprayed WC-Co coatings on 316L substrates processed by SLM
- 2020Application of the eutectic high entropy alloy Nb0.73CoCrFeNi2.1 for high temperature joints
- 2020Embedding behavior of ceramic particles in babbitt coatings and its effect on the tribological properties of low-pressure cold sprayed coatings
- 2019Tribomechanical behaviour of TiAlN and CrAlN coatings deposited onto AISI H11 with different pre-treatments
- 2019Fatigue and corrosion fatigue behaviour of brazed stainless steel joints AISI 304L/BAu-4 in synthetic exhaust gas condensate
- 2019Combining thermal spraying and magnetron sputtering for the development of Ni/Ni-20Cr thin film thermocouples for plastic flat film extrusion processes
- 2019The effect of machined surface conditioning on the coating interface of high velocity oxygen fuel (HVOF) sprayed coating
- 2019Tribological performance of PVD film systems against plastic counterparts for adhesion-reducing application in injection molds
- 2018Temperature-induced formation of lubricous oxides in vanadium containing iron-based arc sprayed coatings
- 2018Experimental and numerical analyses of residual stresses induced by tube drawingcitations
- 2018Microstructure characterisation of advanced materials via 2D and 3D X-ray refraction techniquescitations
- 2017Improvement strategies for the formfilling in incremental gear forming processescitations
- 2016Wear behavior of tribologically optimized tool surfaces for incremental forming processescitations
- 2015Numerical simulation of fatigue crack propagation in WC-Co hardmetal
- 2015A concept for deep cryogenic treatment of tool steels
- 2015Copper-based nanostructured coatings for low-temperature brazing applicationscitations
- 2014Development and Characterization of B4C Reinforced Detonation-Sprayed Al Coatingscitations
- 2014Development of a new aluminum brazing filler metal for aluminum- and aluminum-steel-joints
- 2013Near-net-shape coatings manufactured by means of thermal spraying
- 2013On- and offline detection of structural breaks in thermal spraying processes
- 2012Prediction of in-flight particle properties in thermal spraying with additive day-effects
- 2012Influencing factors on the strength of electromagnetically produced form-fit joints using knurled surfaces
- 2011Forming of thermally coated sheets for the production of plastic-metal hybrids with positive-locking joints
- 2010Tailor made properties – visions for the future of manufacturing
- 2010Umformen gelöteter Blechhalbzeuge in der Spritzgießmaschine
- 2010Development of design principles for form-fit joints in lightweight frame structures
- 2010The quality of brazed ceramic and cemented carbide joints
- 2008Novel layers for dies used in electromagnetic sheet metal forming processes
- 2008Hybrid material design for coils used in electromagnetic forming processes
Places of action
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article
Biodegradable open-porous scaffolds made of sintered magnesium W4 and WZ21 short fibres show biocompatibility in vitro and in long-term in vivo evaluation
Abstract
389 ; 404 ; Open-porous scaffolds made of W4 and WZ21 fibres were evaluated to analyse their potential as an implant material. WZ21 scaffolds without any surface modification or coating, showed promising mechanical properties which were comparable to the W4 scaffolds tested in previous studies. Eudiometric testing results were dependent on the experimental setup, with corrosion rates differing by a factor of 3. Cytotoxicity testing of WZ21 showed sufficient cytocompatibility. The corrosion behavior of the WZ21 scaffolds in different cell culture media are indicating a selective dealloying of elements from the magnesium scaffold by different solutions. Long term in-vivo studies were using 24 W4 scaffolds and 12 WZ21 scaffolds, both implanted in rabbit femoral condyles. The condyles and important inner organs were explanted after 6, 12 and 24 weeks and analyzed. The in-vivo corrosion rate of the WZ21 scaffolds calculated by microCT-based volume loss was up to 49 times slower than the in-vitro corrosion rate based on weight loss. Intramembranous bone formation within the scaffolds of both alloys was revealed, however a low corrosion rate and formation of gas cavities at initial time points were also detected. No systemic or local toxicity could be observed. Investigations by μ-XRF did not reveal accumulation of yttrium in the neighboring tissue. In summary, the magnesium scaffold´s performance is biocompatible, but would benefit from a surface modification, such as a coating to obtain lower the initial corrosion rates, and hereby establish a promising open-porous implant material for load-bearing applications. ; 148