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Hygromorphic response dynamics of 3D-printed wood-PLA composite bilayer actuators
ID
Krapež Tomec, Daša
(
Avtor
),
ID
Straže, Aleš
(
Avtor
),
ID
Haider, Andreas
(
Avtor
),
ID
Kariž, Mirko
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(2,83 MB)
MD5: 368DB79D46ABC51B89DC169000DCA519
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2073-4360/13/19/3209
Galerija slik
Izvleček
The use of wood particles in wood-plastic composites (WPC) is well known and similar use could occur in materials for fused deposition modeling (FDM) 3D printing. Wood particles could be one of the possible solutions in the search for natural-based materials to minimize the use of synthetic-origin materials in additive manufacturing. Wood particles for 3D printing filaments can be made from wood waste and could serve as a cheap filler or as a value-added reinforcing component, depending on their properties and incorporation. The disadvantages of wood (dimensional changes due to water adsorption and desorption) could be used as functions when dimensional change is desirable, such as in shape-changing 4D printing materials. In this research, FDM printing materials made of polylactic acid (PLA), with different amounts of wood particles, were used to design moisture-induced shape-changing bilayer actuators, which could serve as a principle for active façade or ventilation valves. The initial research shows that the wood content in the WPC causes dimensional changes and thus shape changes of the designed actuators under changing climates. The shape change depends on the ratio of the materials in the two-layered actuator and the wood content in the wood-PLA composite used, and thus on sorption. The rate of the shape change behaves in the same way: the higher the wood content, the greater the change observed. The dynamics of the hygromorphism of bimaterial composites is greater with a small amount of added hygromechanically active material.
Jezik:
Angleški jezik
Ključne besede:
3D printing
,
4D printing
,
actuators
,
wood
,
dimensional changes
,
shape-changing materials
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2021
Št. strani:
16 str.
Številčenje:
Vol. 13, iss. 19, art. 3209
PID:
20.500.12556/RUL-131611
UDK:
630*83
ISSN pri članku:
2073-4360
DOI:
10.3390/polym13193209
COBISS.SI-ID:
77786627
Datum objave v RUL:
30.09.2021
Število ogledov:
813
Število prenosov:
174
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Objavi na:
Gradivo je del revije
Naslov:
Polymers
Skrajšan naslov:
Polymers
Založnik:
Molecular Diversity Preservation International
ISSN:
2073-4360
COBISS.SI-ID:
517951257
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.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
3D tiskanje
,
4D tiskanje
,
aktuator
,
les
,
dimenzijske spremembe
,
materiali z oblikovnim spominom
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0015
Naslov:
Les in lignocelulozni kompoziti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
V4-2016
Naslov:
Možnosti rabe lesa listavcev v slovenskem biogospodarstvu
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