---
_id: '1633'
abstract:
- lang: eng
text: " 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) as 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,
extending the research reported before in a conference paper. 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
as well as to the numbers of closed top layers, examined optically and by simulations.
Our results underline the importance of designing the infill patterns carefully
to develop samples with desired mechanical properties.\r\n "
article_number: '164'
article_type: original
author:
- first_name: Guido
full_name: Ehrmann, Guido
last_name: Ehrmann
- first_name: Andrea
full_name: Ehrmann, Andrea
id: '223776'
last_name: Ehrmann
orcid: 0000-0003-0695-3905
orcid_put_code_url: https://api.orcid.org/v2.0/0000-0003-0695-3905/work/105571165
citation:
alphadin: 'Ehrmann, Guido ; Ehrmann, Andrea: Investigation of the
Shape-Memory Properties of 3D Printed PLA Structures with Different Infills. In:
Polymers Bd. 13, MDPI AG (2021), Nr. 1'
ama: Ehrmann G, Ehrmann A. Investigation of the Shape-Memory Properties of 3D Printed
PLA Structures with Different Infills. Polymers. 2021;13(1). doi:10.3390/polym13010164
apa: Ehrmann, G., & Ehrmann, A. (2021). Investigation of the Shape-Memory Properties
of 3D Printed PLA Structures with Different Infills. Polymers, 13(1).
https://doi.org/10.3390/polym13010164
bibtex: '@article{Ehrmann_Ehrmann_2021, title={Investigation of the Shape-Memory
Properties of 3D Printed PLA Structures with Different Infills}, volume={13},
DOI={10.3390/polym13010164},
number={1164}, journal={Polymers}, publisher={MDPI AG}, author={Ehrmann, Guido
and Ehrmann, Andrea}, year={2021} }'
chicago: Ehrmann, Guido, and Andrea Ehrmann. “Investigation of the Shape-Memory
Properties of 3D Printed PLA Structures with Different Infills.” Polymers
13, no. 1 (2021). https://doi.org/10.3390/polym13010164.
ieee: G. Ehrmann and A. Ehrmann, “Investigation of the Shape-Memory Properties of
3D Printed PLA Structures with Different Infills,” Polymers, vol. 13, no.
1, 2021.
mla: Ehrmann, Guido, and Andrea Ehrmann. “Investigation of the Shape-Memory Properties
of 3D Printed PLA Structures with Different Infills.” Polymers, vol. 13,
no. 1, 164, MDPI AG, 2021, doi:10.3390/polym13010164.
short: G. Ehrmann, A. Ehrmann, Polymers 13 (2021).
date_created: 2022-01-01T14:47:53Z
date_updated: 2022-01-01T15:10:09Z
department:
- _id: '103'
doi: 10.3390/polym13010164
intvolume: ' 13'
issue: '1'
keyword:
- polylactic acid (PLA)
- fused deposition modeling
- 3-point bending test
- infill parameters
- infill density
- shape-memory properties
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.3390/polym13010164
oa: '1'
publication: Polymers
publication_identifier:
eissn:
- 2073-4360
publication_status: published
publisher: MDPI AG
quality_controlled: '1'
status: public
title: Investigation of the Shape-Memory Properties of 3D Printed PLA Structures with
Different Infills
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: '223776'
volume: 13
year: '2021'
...
---
_id: '682'
abstract:
- lang: eng
text: 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 modelling (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.
author:
- first_name: Guido
full_name: Ehrmann, Guido
last_name: Ehrmann
- first_name: Andrea
full_name: Ehrmann, Andrea
id: '223776'
last_name: Ehrmann
orcid: 0000-0003-0695-3905
orcid_put_code_url: https://api.orcid.org/v2.0/0000-0003-0695-3905/work/105572577
citation:
alphadin: 'Ehrmann, Guido ; Ehrmann, Andrea: Shape-memory properties
of 3D printed PLA structures. In: The First International Conference on “Green”
Polymer Materials : MDPI, 2020'
ama: 'Ehrmann G, Ehrmann A. Shape-memory properties of 3D printed PLA structures.
In: The First International Conference on “Green” Polymer Materials. MDPI;
2020.'
apa: Ehrmann, G., & Ehrmann, A. (2020). Shape-memory properties of 3D printed
PLA structures. In The First International Conference on “Green” Polymer Materials.
MDPI.
bibtex: '@inproceedings{Ehrmann_Ehrmann_2020, title={ Shape-memory properties of
3D printed PLA structures}, booktitle={The First International Conference on “Green”
Polymer Materials}, publisher={MDPI}, author={Ehrmann, Guido and Ehrmann, Andrea},
year={2020} }'
chicago: Ehrmann, Guido, and Andrea Ehrmann. “ Shape-Memory Properties of 3D Printed
PLA Structures.” In The First International Conference on “Green” Polymer Materials.
MDPI, 2020.
ieee: G. Ehrmann and A. Ehrmann, “ Shape-memory properties of 3D printed PLA structures,”
in The First International Conference on “Green” Polymer Materials, 2020.
mla: Ehrmann, Guido, and Andrea Ehrmann. “ Shape-Memory Properties of 3D Printed
PLA Structures.” The First International Conference on “Green” Polymer Materials,
MDPI, 2020.
short: 'G. Ehrmann, A. Ehrmann, in: The First International Conference on “Green”
Polymer Materials, MDPI, 2020.'
conference:
end_date: 25 November 2020
name: The First International Conference on “Green” Polymer Materials
start_date: 5 November 2020
date_created: 2021-01-03T17:54:51Z
date_updated: 2022-01-01T15:23:44Z
department:
- _id: '103'
file:
- access_level: open_access
content_type: application/pdf
creator: aehrmann
date_created: 2021-01-03T17:53:23Z
date_updated: 2021-01-03T17:53:23Z
file_id: '683'
file_name: 2020_EhrmannG_Sciforum.pdf
file_size: 1037888
relation: main_file
success: 1
file_date_updated: 2021-01-03T17:53:23Z
has_accepted_license: '1'
keyword:
- polylactic acid
- fused deposition modelling
- 3 point bending test
- infill parameters
- infill density
- shape-memory properties
language:
- iso: eng
main_file_link:
- open_access: '1'
oa: '1'
publication: The First International Conference on “Green” Polymer Materials
publication_status: published
publisher: MDPI
quality_controlled: '1'
status: public
title: ' Shape-memory properties of 3D printed PLA structures'
type: conference
user_id: '223776'
year: '2020'
...
---
_id: '1626'
abstract:
- lang: eng
text: ' 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. '
author:
- first_name: Guido
full_name: Ehrmann, Guido
last_name: Ehrmann
- first_name: Andrea
full_name: Ehrmann, Andrea
id: '223776'
last_name: Ehrmann
orcid: 0000-0003-0695-3905
orcid_put_code_url: https://api.orcid.org/v2.0/0000-0003-0695-3905/work/105571396
citation:
alphadin: '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'
ama: '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'
apa: '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'
bibtex: '@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} }'
chicago: '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.'
ieee: 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.
mla: 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.
short: 'G. Ehrmann, A. Ehrmann, in: Proceedings of The First International Conference
on “Green” Polymer Materials 2020, MDPI, Basel, Switzerland, 2020, p. 7198.'
conference:
location: Sciforum.net
name: The First International Conference on “Green” Polymer Materials 2020
date_created: 2022-01-01T14:39:25Z
date_updated: 2022-01-01T14:54:53Z
department:
- _id: '103'
doi: 10.3390/CGPM2020-07198
keyword:
- polylactic acid
- fused deposition modelling
- 3-point bending test
- infill parameters
- infill density
- shape-memory properties
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.3390/CGPM2020-07198
oa: '1'
page: '7198'
place: Basel, Switzerland
publication: Proceedings of The First International Conference on “Green” Polymer
Materials 2020
publication_status: published
publisher: MDPI
quality_controlled: '1'
status: public
title: Shape-Memory Properties of 3D Printed PLA Structures
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference
user_id: '223776'
year: '2020'
...