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Article

Tribological and Dynamical Mechanical Behavior of Prototyped PLA-Based Polymers

1
Department of Machine Manufacturing Technology, “Gheorghe Asachi” Technical University of Iasi, Str. Prof. Dr. Doc. Dumitru Mangeron, No. 59A, 700050 Iasi, Romania
2
Academy of Romanian Scientists, Str. Ilfov, No. 3, Sector 5, 060274 Bucharest, Romania
3
Department of Materials Engineering and Industrial Safety, “Gheorghe Asachi” Technical University of Iasi, Str. Prof. Dr. Doc. Dumitru Mangeron, No. 71A, 700050 Iasi, Romania
4
Engineering Department, University of Monterrey, 66238 San Pedro Garza Garcia, Monterrey, Mexico
*
Author to whom correspondence should be addressed.
Materials 2020, 13(16), 3615; https://doi.org/10.3390/ma13163615
Received: 7 July 2020 / Revised: 6 August 2020 / Accepted: 12 August 2020 / Published: 15 August 2020
(This article belongs to the Special Issue Functional and Architected Materials)
It is essential to combine current state-of-the-art technologies such as additive manufacturing with current ecological needs. Due to the increasing demand for non-toxic biodegradable materials and products, human society has been searching for new materials. Consequently, it is compulsory to identify the qualities of these materials and their behavior when subjected to various external factors, to find their optimal solutions for application in various fields. This paper refers to the biodegradable Polylactic acid (PLA)-based filament (commercially known as Extrudr BDP (Biodegradable Plastic) Flax) compared with the biodegradable composite material PLA-lignin filament whose constituent’s trade name is Arboblend V2 Nature as a lignin base material and reinforcement with Extrudr BDP Pearl, a PLA based polymer, 3D printed by Fused Deposition Modeling technology. Certain mechanical properties (tensile strength, bending strength and DMA—Dynamic Mechanical Analysis) were also determined. The tribology behavior (friction coefficient and wear), the structure and the chemical composition of the biodegradable materials were investigated by SEM—Scanning Electron Microscopy, EDX—Energy Dispersive X-Ray Analysis, XRD—X-Ray Diffraction Analysis, FTIR—Fourier Transform Infrared Spectrometer and TGA—Thermogravimetric Analysis. The paper also refers to the influence of technological parameters on the 3D printed filaments made of Extrudr BDP Flax and the optimization those of technological parameters. The thermal behavior during the heating of the sample was analyzed by Differential scanning calorimetry (DSC). As a result of the carried-out research, we intend to recommend these biodegradable materials as possible substituents for plastics in as many fields of activity as possible. View Full-Text
Keywords: 3D printing; biodegradable materials; DMA; DSC; SEM; FTIR; TGA 3D printing; biodegradable materials; DMA; DSC; SEM; FTIR; TGA
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MDPI and ACS Style

Nedelcu, D.; Mazurchevici, S.-N.; Popa, R.-I.; Lohan, N.-M.; Maldonado-Cortés, D.; Carausu, C. Tribological and Dynamical Mechanical Behavior of Prototyped PLA-Based Polymers. Materials 2020, 13, 3615. https://doi.org/10.3390/ma13163615

AMA Style

Nedelcu D, Mazurchevici S-N, Popa R-I, Lohan N-M, Maldonado-Cortés D, Carausu C. Tribological and Dynamical Mechanical Behavior of Prototyped PLA-Based Polymers. Materials. 2020; 13(16):3615. https://doi.org/10.3390/ma13163615

Chicago/Turabian Style

Nedelcu, Dumitru, Simona-Nicoleta Mazurchevici, Ramona-Iuliana Popa, Nicoleta-Monica Lohan, Demófilo Maldonado-Cortés, and Constantin Carausu. 2020. "Tribological and Dynamical Mechanical Behavior of Prototyped PLA-Based Polymers" Materials 13, no. 16: 3615. https://doi.org/10.3390/ma13163615

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