Shape-Memory Properties of 3D Printed PLA Structures

G. Ehrmann, A. Ehrmann, in: Proceedings of The First International Conference on “Green” Polymer Materials 2020, MDPI, Basel, Switzerland, 2020, p. 7198.

Konferenzbeitrag | Veröffentlicht | Englisch
Autor*in
Ehrmann, Guido; Ehrmann, AndreaFH Bielefeld
Abstract
Polylactic acid (PLA) belongs to the few thermoplastic polymers that are derived from renewable resources such as corn starch or sugar cane. PLA is often used in 3D printing by fused deposition modeling (FDM) since it is relatively easy to print, does not show warping, and can be printed without a closed building chamber. On the other hand, PLA has interesting mechanical properties which are influenced by the printing parameters and geometries. Here we present shape-memory properties of PLA cubes with different infill patterns and percentages. We investigate the material response under defined quasi-static load as well as the possibility to restore the original 3D printed shape. The quasi-static flexural properties are linked to the porosity and the infill structure of the samples under investigation, examined optically and by simulations. Our results underline the importance of designing the infill patterns carefully to develop samples with desired mechanical properties.
Erscheinungsjahr
Titel des Konferenzbandes
Proceedings of The First International Conference on “Green” Polymer Materials 2020
Seite
7198
Konferenz
The First International Conference on “Green” Polymer Materials 2020
Konferenzort
Sciforum.net
FH-PUB-ID

Zitieren

Ehrmann, Guido ; Ehrmann, Andrea: Shape-Memory Properties of 3D Printed PLA Structures. In: Proceedings of The First International Conference on “Green” Polymer Materials 2020. Basel, Switzerland : MDPI, 2020, S. 7198
Ehrmann G, Ehrmann A. Shape-Memory Properties of 3D Printed PLA Structures. In: Proceedings of The First International Conference on “Green” Polymer Materials 2020. Basel, Switzerland: MDPI; 2020:7198. doi:10.3390/CGPM2020-07198
Ehrmann, G., & Ehrmann, A. (2020). Shape-Memory Properties of 3D Printed PLA Structures. In Proceedings of The First International Conference on “Green” Polymer Materials 2020 (p. 7198). Basel, Switzerland: MDPI. https://doi.org/10.3390/CGPM2020-07198
@inproceedings{Ehrmann_Ehrmann_2020, place={Basel, Switzerland}, title={Shape-Memory Properties of 3D Printed PLA Structures}, DOI={10.3390/CGPM2020-07198}, booktitle={Proceedings of The First International Conference on “Green” Polymer Materials 2020}, publisher={MDPI}, author={Ehrmann, Guido and Ehrmann, Andrea}, year={2020}, pages={7198} }
Ehrmann, Guido, and Andrea Ehrmann. “Shape-Memory Properties of 3D Printed PLA Structures.” In Proceedings of The First International Conference on “Green” Polymer Materials 2020, 7198. Basel, Switzerland: MDPI, 2020. https://doi.org/10.3390/CGPM2020-07198.
G. Ehrmann and A. Ehrmann, “Shape-Memory Properties of 3D Printed PLA Structures,” in Proceedings of The First International Conference on “Green” Polymer Materials 2020, Sciforum.net, 2020, p. 7198.
Ehrmann, Guido, and Andrea Ehrmann. “Shape-Memory Properties of 3D Printed PLA Structures.” Proceedings of The First International Conference on “Green” Polymer Materials 2020, MDPI, 2020, p. 7198, doi:10.3390/CGPM2020-07198.
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