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Fabrication and characterization of a filament for 3D printing from polylactic acid with Cryptostegia grandiflora fiber

Carlo Santulli

Carlo Santulli

School of Science and Technology, Geology Section, University of CamerinoCamerino, Italy
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Santulli, Carlo
  
29 lis 2024
Fabrication and characterization of a filament for 3D printing from polylactic acid with Cryptostegia grandiflora fiber's Cover Image
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Kategoria artykułu: Research Article
Data publikacji: 29 lis 2024
Zakres stron: 1 - 10
Otrzymano: 29 lut 2024
Przyjęty: 03 kwi 2024
DOI: https://doi.org/10.2478/msp-2024-0039
Słowa kluczowe
© 2024 the Carlo Santulli, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Production process of the filament.
Production process of the filament.

Figure 2

Optical microscopy image of a section of PLA/10% CGF filament.
Optical microscopy image of a section of PLA/10% CGF filament.

Figure 3

FTIR spectra for pure PLA, and CGF powder, and their 90/10 composite.
FTIR spectra for pure PLA, and CGF powder, and their 90/10 composite.

Figure 4

TGA curves for pure PLA and its 90/10 composite with CGF.
TGA curves for pure PLA and its 90/10 composite with CGF.

Figure 5

XRD spectra of CGF, PLA, and its composite.
XRD spectra of CGF, PLA, and its composite.

Figure 6

50× SEM images representing the (a) neat PLA filament and (b) 90% PLA + 10% CGF filament.
50× SEM images representing the (a) neat PLA filament and (b) 90% PLA + 10% CGF filament.

Figure 7

Image (300×) of the composite filament section with CGF particles.
Image (300×) of the composite filament section with CGF particles.

Tensile performance of the unfilled and filled filaments_

Filament Diameter (mm) Tensile strength (MPa) Ultimate strain (%) Young’s modulus (GPa)
PLA 1.75 ± 0.05 43.6 ± 2.8 4 ± 0.5 2.3 ± 0.2
90% PLA + 10% CGF 1.75 ± 0.05 49.1 ± 3.3 3.2 ± 0.7 2.7 ± 0.4

MFI data for PLA filaments added with lignocellulosic fillers_

Filler Amount (wt%) Treatment MFI (g/10 min) Ref.
Cryptostegia grandiflora 10 10 vol% KOH 5.2 (200°C) Here
Sugar palm fiber 2.5 6 vol% NaOH 17.6 (190°C) [21]
2 vol% silane
Hemp hurds 10 No treatment 2.16 (190°C) [22]
Almond shell powder 10 5 wt% NaOH 11.92 (160°C) [23]
Walnut shell powder 10 5 wt% NaOH 11.7 (160°C) [23]
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Nauka o materiałach, Nauka o materiałach, inne, Nanomateriały, Funkcjonalne i inteligentne materiały, Charakterystyka i właściwości materiałów
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