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Effect of printing process parameters on the shape transformation capability of 3D printed structures
ID Pivar, Matej (Avtor), ID Gregor-Svetec, Diana (Avtor), ID Muck, Deja (Avtor)

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Izvleček
The aim of our research was to investigate and optimise the main 3D printing process parameters that directly or indirectly affect the shape transformation capability and to determine the optimal transformation conditions to achieve predicted extent, and accurate and reproducible transformations of 3D printed, shape-changing two-material structures based on PLA and TPU. The shape-changing structures were printed using the FDM technology. The influence of each printing parameter that affects the final printability of shape-changing structures is presented and studied. After optimising the 3D printing process parameters, the extent, accuracy and reproducibility of the shape transformation performance for four-layer structures were analysed. The shape transformation was performed in hot water at different activation temperatures. Through a careful selection of 3D printing process parameters and transformation conditions, the predicted extent, accuracy and good reproducibility of shape transformation for 3D printed structures were achieved. The accurate deposition of filaments in the layers was achieved by adjusting the printing speed, flow rate and cooling conditions of extruded filaments. The shape transformation capability of 3D printed structures with a defined shape and defined active segment dimensions was influenced by the relaxation of compressive and tensile residual stresses in deposited filaments in the printed layers of the active material and different activation temperatures of the transformation.

Jezik:Angleški jezik
Ključne besede:additive manufacturing, 4D printing, PLA, TPU, printability, shape transformation
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:NTF - Naravoslovnotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2022
Št. strani:22 str.
Številčenje:Vol. 14, iss. 1, art. 117
PID:20.500.12556/RUL-136774 Povezava se odpre v novem oknu
UDK:655.1
ISSN pri članku:2073-4360
DOI:10.3390/polym14010117 Povezava se odpre v novem oknu
COBISS.SI-ID:92056835 Povezava se odpre v novem oknu
Datum objave v RUL:20.05.2022
Število ogledov:774
Število prenosov:117
Metapodatki:XML DC-XML DC-RDF
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Gradivo je del revije

Naslov:Polymers
Skrajšan naslov:Polymers
Založnik:MDPI
ISSN:2073-4360
COBISS.SI-ID:517951257 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.01.2022

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:dodajalno izdelovanje, 4D tiskanje, PLA, TPU, tiskovna prehodnost, preoblikovanje

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P2-0213
Naslov:Tekstilije in ekologija

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:I0-0026
Naslov:Raziskovalni infrastrukturni center UL NTF

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