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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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Singh, Rupinder
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2022Multi material 3D printing of PLA-PA6/TiO<sub>2</sub> polymeric matrix: Flexural, wear and morphological propertiescitations
- 2018On the additive manufacturing of an energy storage device from recycled materialcitations
- 2018On the applicability of composite PA6-TiO2filaments for the rapid prototyping of innovative materials and structurescitations
- 2018Experimental Investigations for Development of Hybrid Feed Stock Filament of Fused Deposition Modelingcitations
- 2018In-vitro studies of SS 316Â L biomedical implants prepared by FDM, vapor smoothing and investment castingcitations
- 2017Investigations for thermal and electrical conductivity of ABS-graphene blended prototypescitations
Places of action
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article
Multi material 3D printing of PLA-PA6/TiO<sub>2</sub> polymeric matrix: Flexural, wear and morphological properties
Abstract
<jats:p> The poly-lactic acid (PLA), bio compatible polyamide (PA6) and TiO<jats:sub>2</jats:sub> has established bio-medical applications especially in 3D printing of scaffolds. But hitherto little has been reported on improving the performance of multi-material matrix for PLA-PA6/TiO<jats:sub>2</jats:sub> especially in 3D printing application of biomedical scaffolds. The anti-bacterial properties of PA6/TiO<jats:sub>2</jats:sub> make it worthy to be explored with PLA matrix in multi layered fashion on the platform of fused deposition modeling (FDM) being low cost 3D printing technology for in house development of scaffolds. In this work an effort has been made for in-house development of feedstock filaments of PLA and PA6/TiO<jats:sub>2</jats:sub> based polymeric composite matrix on twin screw extrusion (TSE) machine. Further the feedstock filament wires were used on FDM to establish the flexural, wear and morphological properties of multi-material 3D printed functional prototype. The results of the study suggest that for flexural strength, infill speed: 90mm/s; infill pattern: triangular and layer combination as 5 consecutive layers of PLA and 5 consecutive layers of PA6/TiO<jats:sub>2</jats:sub> are the optimized conditions for FDM printing. The wear testing results suggest that the composite of PA6/TiO<jats:sub>2</jats:sub> held low wear rate (823 µm) in comparison to PLA (wear rate: 1092 µm). Further porosity testing (based upon optical photomicrographs) at ×100 and fractured surface analysis at ×30 supported the observed trends for flexural and wear testing. The photomicrographs of fractured surface were 3D rendered to predict the role of surface roughness (Ra) profile for flexural properties. The mechanical and morphological observations are also supported with scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) analysis. </jats:p>