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Effect of thermal modification of wood particles for wood-PLA composites on properties of filaments, 3D-printed parts and injection moulded parts [Elektronski vir]Krapež Tomec, Daša, 1990- ...This paper describes the development and characterisation of wood-filled polylactic acid (PLA) composite filaments for application in fused filament fabrication three-dimensional (3D) printing. Four ... different wood-polymer composite filaments for 3D printing were prepared, and specimens were 3D-printed with the obtained materials. The composite filaments consisted of wood particles (10% or 20% mass ratio) and a PLA polymer matrix. Wood particles were prepared by grinding and sieving non-modified beech wood and thermally modified (TM) (at 200 °C) beech wood. Thermal modification of wood affected particle preparation and smaller particles with lower aspect ratios were obtained. Filaments with TM wood particles were extruded better than with non-modified wood particles, with lower surface roughness and lower porosity. With a higher wood ratio, the surface roughness and porosity of the filament increased. Non-homogenous filaments also affected extrusion in 3D printing and reduced the properties of 3D-printed parts. Parts 3D-printed from filaments with TM particles had better tensile strength than from filaments with non-modified particles, but were lower than from pure PLA filaments. The tensile strength of the injection-moulded specimens was 18–69% higher than that of the 3D-printed specimens, depending on the filament composition. The results indicate some positive effects of thermal modification of wood particles on the properties of filaments and 3D-printed parts. Nevertheless, further optimisation of particle preparation and extrusion parameters is needed to obtain quality filaments with this size of wood particles.Source: European journal of wood and wood products = Holz als Roh- und Werkstoff [Elektronski vir]. - ISSN 1436-736X (Vol. 82, iss. 2, 2024, str. 403-416)Type of material - e-article ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 179904515
Author | Krapež Tomec, Daša, 1990- ... |
Title | Effect of thermal modification of wood particles for wood-PLA composites on properties of filaments, 3D-printed parts and injection moulded parts [Elektronski vir] |
Publication date | |
COBISS.SI-ID | 179904515 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Unidentified |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
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Les in lignocelulozni kompoziti | P4-0015-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Gozdno-lesna veriga in podnebne spremembe: prehod v krožno biogospodarstvo | P4-0430-2022 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Gradbeni objekti in materiali | P2-0273-2019 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
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Renewable materials and healthy environments research and innovation centre of excellence | InnoRenew CoE | 739574 |
European Commission |
Files that belong to the publication
Link |
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https://link.springer.com/article/10.1007/s00107-023-02018-2 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=155263 |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Krapež Tomec, Daša, 1990- | 52214 |
Schwarzkopf, Matthew | 38064 |
Repič, Rožle | 51944 |
Žigon, Jure | 37804 |
Gospodarič, Bojan | 23494 |
Kariž, Mirko | 29227 |
Source: Personal bibliographies
and: SICRIS
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