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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
ID
Krapež Tomec, Daša
(
Avtor
),
ID
Schwarzkopf, Matthew
(
Avtor
),
ID
Repič, Rožle
(
Avtor
),
ID
Žigon, Jure
(
Avtor
),
ID
Gospodarič, Bojan
(
Avtor
),
ID
Kariž, Mirko
(
Avtor
)
PDF - Predstavitvena datoteka,
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(2,19 MB)
MD5: 7CE3A831A4202CA12FF30ADBD47DDB8E
URL - Izvorni URL, za dostop obiščite
https://link.springer.com/article/10.1007/s00107-023-02018-2
Galerija slik
Izvleček
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.
Jezik:
Angleški jezik
Ključne besede:
wood-PLA composite
,
3D printing
,
injection moulding
,
thermally modified wood
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Leto izida:
2024
Št. strani:
13 str.
Številčenje:
Vol. 82, iss. 2
PID:
20.500.12556/RUL-155263
UDK:
630*8
ISSN pri članku:
1436-736X
DOI:
10.1007/s00107-023-02018-2
COBISS.SI-ID:
179904515
Datum objave v RUL:
22.03.2024
Število ogledov:
317
Število prenosov:
127
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
European journal of wood and wood products
Založnik:
Springer Verlag
ISSN:
1436-736X
COBISS.SI-ID:
22253061
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
les-PLA kompoziti
,
3D tisk
,
injekcijsko brizganje
,
termično modificiran les
,
filament
Projekti
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P4-0015
Naslov:
Les in lignocelulozni kompoziti
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P4-0430
Naslov:
Gozdno-lesna veriga in podnebne spremembe: prehod v krožno biogospodarstvo
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P2-0273
Naslov:
Gradbeni objekti in materiali
Financer:
EC - European Commission
Program financ.:
H2020
Številka projekta:
739574
Naslov:
Renewable materials and healthy environments research and innovation centre of excellence
Akronim:
InnoRenew CoE
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