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Article

Evaluation of Mechanical Properties and Filler Interaction in the Field of SLA Polymeric Additive Manufacturing

by
Petr Jirků
1,
Jiří Urban
1,
Miroslav Müller
1,
Viktor Kolář
1,
Vijay Chandan
1,
Jaroslava Svobodová
2,
Rajesh Kumar Mishra
1,* and
Hafsa Jamshaid
3
1
Department of Material Science and Manufacturing Technology, Faculty of Engineering, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
2
Faculty of Mechanical Engineering, University of Jan Evangelista Purkyně in Ústí nad Labem (UJEP), Pasteurova 3334/7, 400 01 Usti nad Labem, Czech Republic
3
Faculty of Textile Engineering, National Textile University, Sheikhupura Road, Faisalabad 37610, Pakistan
*
Author to whom correspondence should be addressed.
Materials 2023, 16(14), 4955; https://doi.org/10.3390/ma16144955
Submission received: 23 June 2023 / Revised: 7 July 2023 / Accepted: 11 July 2023 / Published: 12 July 2023
(This article belongs to the Special Issue Preparation and Application of Regularly Structured Porous Materials)
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Abstract

The paper deals with research focused on the use of fillers in the field of polymeric materials produced by additive technology SLA (stereolithography). The aim of the research is to evaluate 3D printing parameters, the mechanical properties (tensile strength, hardness), and the interaction of individual phases (polymer matrix and filler) in composite materials using SEM analysis. The tested fillers were cotton flakes and ground carbon fibres in different proportions. For the photosensitive resins, the use of cotton flakes as filler was found to have a positive effect on the mechanical properties not only under static but also under cyclic loading, which is a common cause of material failure in practice. The cyclic stress reference value was set at an amplitude of 5–50% of the maximum force required to break the pure resin in a static tensile test. A positive effect of fillers on the cyclic stress life of materials was demonstrated. The service life of pure resin was only 168 ± 29 cycles. The service life of materials with fillers increased to approximately 400 to 540 cycles for carbon fibre-based fillers and nearly 1000 cycles for cotton flake-based fillers, respectively. In this paper, new composite materials suitable for the use of SLA additive manufacturing techniques are presented. Research demonstrated the possibilities of adding cotton-based fillers in low-cost, commercially available resins. Furthermore, the importance of material research under cyclic loading was demonstrated.
Keywords: 3D printing; polymer composite; carbon filler; cotton filler; cyclic loading; low cycle test 3D printing; polymer composite; carbon filler; cotton filler; cyclic loading; low cycle test

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MDPI and ACS Style

Jirků, P.; Urban, J.; Müller, M.; Kolář, V.; Chandan, V.; Svobodová, J.; Mishra, R.K.; Jamshaid, H. Evaluation of Mechanical Properties and Filler Interaction in the Field of SLA Polymeric Additive Manufacturing. Materials 2023, 16, 4955. https://doi.org/10.3390/ma16144955

AMA Style

Jirků P, Urban J, Müller M, Kolář V, Chandan V, Svobodová J, Mishra RK, Jamshaid H. Evaluation of Mechanical Properties and Filler Interaction in the Field of SLA Polymeric Additive Manufacturing. Materials. 2023; 16(14):4955. https://doi.org/10.3390/ma16144955

Chicago/Turabian Style

Jirků, Petr, Jiří Urban, Miroslav Müller, Viktor Kolář, Vijay Chandan, Jaroslava Svobodová, Rajesh Kumar Mishra, and Hafsa Jamshaid. 2023. "Evaluation of Mechanical Properties and Filler Interaction in the Field of SLA Polymeric Additive Manufacturing" Materials 16, no. 14: 4955. https://doi.org/10.3390/ma16144955

APA Style

Jirků, P., Urban, J., Müller, M., Kolář, V., Chandan, V., Svobodová, J., Mishra, R. K., & Jamshaid, H. (2023). Evaluation of Mechanical Properties and Filler Interaction in the Field of SLA Polymeric Additive Manufacturing. Materials, 16(14), 4955. https://doi.org/10.3390/ma16144955

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