Manufacture of 3D printing filaments with commercial and recycled polylactic acid filled with coffee waste
Published 2023-06-30
Keywords
- PLA,
- Filament,
- Filler,
- Spent coffee grounds
How to Cite
Copyright (c) 2023 Carlos Augusto Murillo Usuga, Santiago del Valle Tirado, David Volkmar Velez, Luis Frey Zapata Henao
This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
In the present work, an experimental design 22 was carried out to evaluate the effect on the mechanical properties of the use of Coffee Waste (RC) processed for the cosmetic industry as filler in commercial and recycled Polylactic Acid (PLA) filaments. The factors selected for the study were the type of PLA used and the content of coffee waste used as filler. The statistical significance of the factors was studied by analysis of variance (ANOVA). According to the results obtained, the elastic modulus of the manufactured samples depends on the type of PLA used (p=0.0025), as does the elongation at break (p=0.0035), however, these variations are not significantly high. Homogeneous particle distribution was observed, and the Fourier transform infrared analysis shows that the incorporation of the RCs was successful.
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References
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