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Polymers, volume 14, issue 17, pages 3530

Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses

Publication typeJournal Article
Publication date2022-08-28
Journal: Polymers
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.7
ISSN20734360
General Chemistry
Polymers and Plastics
Abstract

Fused Granular Fabrication (FGF) or screw-extrusion based 3D printing for polymers is a less diffused alternative to filament-based Additive Manufacturing (AM). Its greatest advantage lies in superior sustainability; in fact, polymer granules can be used to directly feed an FGF printer, reducing the time, cost and energy of producing a part. Moreover, with this technology, a circular economy approach involving the use of pellets made from plastic waste can be easily implemented. Polylactic Acid (PLA) pellets were processed at different printing speeds and with different infill percentages on a customized version of a commercial Prusa i3 Plus 3D printer modified with a Mahor screw extruder. For the characterization of the 3D printed samples, rheological, thermal, mechanical and porosity analyses were carried out. In addition, the energy consumption of the 3D printer was monitored during the production of the specimens. The results showed that a higher printing speed leads to lower energy consumption, without compromising material strength, whereas a slower printing speed is preferable to increase material stiffness.

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GOST |
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GOST Copy
Fontana L. et al. Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses // Polymers. 2022. Vol. 14. No. 17. p. 3530.
GOST all authors (up to 50) Copy
Fontana L., Giubilini A., Arrigo R., Malucelli G., Minetola P. Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses // Polymers. 2022. Vol. 14. No. 17. p. 3530.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.3390/polym14173530
UR - https://doi.org/10.3390/polym14173530
TI - Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses
T2 - Polymers
AU - Giubilini, Alberto
AU - Fontana, Luca
AU - Arrigo, Rossella
AU - Malucelli, Giulio
AU - Minetola, Paolo
PY - 2022
DA - 2022/08/28
PB - MDPI
SP - 3530
IS - 17
VL - 14
PMID - 36080605
SN - 2073-4360
ER -
BibTex |
Cite this
BibTex Copy
@article{2022_Fontana,
author = {Alberto Giubilini and Luca Fontana and Rossella Arrigo and Giulio Malucelli and Paolo Minetola},
title = {Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses},
journal = {Polymers},
year = {2022},
volume = {14},
publisher = {MDPI},
month = {aug},
url = {https://doi.org/10.3390/polym14173530},
number = {17},
pages = {3530},
doi = {10.3390/polym14173530}
}
MLA
Cite this
MLA Copy
Fontana, Luca, et al. “Characterization of 3D Printed Polylactic Acid by Fused Granular Fabrication through Printing Accuracy, Porosity, Thermal and Mechanical Analyses.” Polymers, vol. 14, no. 17, Aug. 2022, p. 3530. https://doi.org/10.3390/polym14173530.
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