Abstract
Polypropylene (PP) is a relatively new material in fused deposition modeling (FDM) technology. The main feature of this material is its ability to significantly elongate under applied load, unlike any other thermoplastic material used in FDM technology. Not much research has been conducted on this FDM material so far, hence, the subject of this paper is the investigation of printing parameters’ influence on PP tensile properties. Targeted parameters are layer height, infill density, and the orientation of raster lines, resulting in four different manufacturing regimes. To have a better insight into the experimental results, the data are analysed using ANOVA statistical method with Tukey HSD post hoc test. Obtained statistical results have proven the printing parameter’s influence on tensile results, emphasizing the influence on elastic modulus. Here, Tukey test results show the maximal number of homogeneous subsets evidencing that all printing parameters have an influence on elastic modulus values.
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Acknowledgments
The authors would like to thank the support from European Union’s Horizon 2020 research and innovation program (H2020-WIDESPREAD-2018, SIRAMM) under grant agreement No. 857124, and the Ministry of Education, Science, and Technological Development of the Republic of Serbia by Contract No. 451-03-68/2022-14/200105 from 4th of February 2022.
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Aleksa Milovanović is a research assistant at the Innovation Center of the Faculty of Mechanical Engineering, Belgrade, Serbia. His research is oriented on the application of fracture mechanics aspects on additively manufactured components.
Zorana Golubović is a senior research associate at the Faculty of Mechanical Engineering, University of Belgrade, where she received her Ph.D.. Her research interests include additive manufacturing, polymers, biomaterials, and material characterization.
Snežana Kirin is a Full Research Professor at the Innovation Center of the Faculty of Mechanical Engineering, Belgrade, Serbia. Her research interests include risk management, statistics, risk-based analysis and R&D projects.
Tomáš Babinský is a Ph.D. student at IPM, Brno, Czech Republic. His subject field is focused on degradation mechanisms during fatigue, especially on the role of surface relief evolution on fatigue crack initiation and fatigue life in nickel superalloys.
Ivo Šulák is a postdoc at the Institute of Physics of Materials (IPM), Brno, Czech Republic. He received his Ph.D. from the Brno University of Technology (BUT) in 2019. His research interest includes high-temperature degradation mechanisms, additive manufacturing, and superalloys.
Miloš Milošević is a scientific advisor at the Innovation Centre of the Faculty of Mechanical Engineering in Belgrade. He has 10 years of research experience related to additive manufacturing, rapid prototyping, prototype development, innovation funding, and R&D projects.
Aleksandar Sedmak is a Professor Emeritus at the Faculty of Mechanical Engineering, University of Belgrade. His field of expertise covers material science and engineering, fracture mechanics, structural integrity, and welding science, as well as additive manufacturing.
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Milovanović, A., Golubović, Z., Kirin, S. et al. Manufacturing parameter influence on FDM polypropylene tensile properties. J Mech Sci Technol 37, 5541–5547 (2023). https://doi.org/10.1007/s12206-023-2305-5
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DOI: https://doi.org/10.1007/s12206-023-2305-5