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Polymers
Volume 10
Issue 3
10.3390/polym10030313
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Open AccessArticle

Strength of PLA Components Fabricated with Fused Deposition Technology Using a Desktop 3D Printer as a Function of Geometrical Parameters of the Process

by
Vladimir E. Kuznetsov
1,*,
Alexey N. Solonin
1,
Oleg D. Urzhumtsev
1,
Richard Schilling
2 and
Azamat G. Tavitov
1
1
Department of Physical Metallurgy of Non-Ferrous Metals, National University of Science and Technology “MISIS”, Leninskiy Prospekt 4, NUST MISIS, Moscow 119049, Russia
2
School of Textiles and Design, Reutlingen University, Alteburgstraße 150, D-72762 Reutlingen, Germany
*
Author to whom correspondence should be addressed.
Polymers 2018, 10(3), 313; https://doi.org/10.3390/polym10030313
Received: 5 February 2018 / Revised: 19 February 2018 / Accepted: 9 March 2018 / Published: 13 March 2018
(This article belongs to the Special Issue Polymers for Modern and Advanced Engineering Applications)
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Abstract

The current paper studies the influence of geometrical parameters of the fused deposition modeling (FDM)—fused filament fabrication (FFF) 3D printing process on printed part strength for open source desktop 3D printers and the most popular material used for that purpose—i.e., polylactic acid (PLA). The study was conducted using a set of different nozzles (0.4, 0.6, and 0.8 mm) and a range of layer heights from the minimum to maximum physical limits of the machine. To assess print strength, a novel assessment method is proposed. A tubular sample is loaded in the weakest direction (across layers) in a three-point bending fixture. Mesostructure evaluation through scanning electronic microscopy (SEM) scans of the samples was used to explain the obtained results. We detected a significant influence of geometric process parameters on sample mesostructure, and consequently, on sample strength. View Full-Text
Keywords: additive manufacturing; desktop 3D printing; fused deposition modeling; fused filament fabrication; polylactic acid; anisotropy; interlayer bonds; mechanical strength; digital fabrication additive manufacturing; desktop 3D printing; fused deposition modeling; fused filament fabrication; polylactic acid; anisotropy; interlayer bonds; mechanical strength; digital fabrication
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

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MDPI and ACS Style

Kuznetsov, V.E.; Solonin, A.N.; Urzhumtsev, O.D.; Schilling, R.; Tavitov, A.G. Strength of PLA Components Fabricated with Fused Deposition Technology Using a Desktop 3D Printer as a Function of Geometrical Parameters of the Process. Polymers 2018, 10, 313. https://doi.org/10.3390/polym10030313

AMA Style

Kuznetsov VE, Solonin AN, Urzhumtsev OD, Schilling R, Tavitov AG. Strength of PLA Components Fabricated with Fused Deposition Technology Using a Desktop 3D Printer as a Function of Geometrical Parameters of the Process. Polymers. 2018; 10(3):313. https://doi.org/10.3390/polym10030313

Chicago/Turabian Style

Kuznetsov, Vladimir E.; Solonin, Alexey N.; Urzhumtsev, Oleg D.; Schilling, Richard; Tavitov, Azamat G. 2018. "Strength of PLA Components Fabricated with Fused Deposition Technology Using a Desktop 3D Printer as a Function of Geometrical Parameters of the Process" Polymers 10, no. 3: 313. https://doi.org/10.3390/polym10030313

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