ArticleMaterials (Basel, Switzerland)2022
The Influence of the Gradient Infill of PLA Samples Produced with the FDM Technique on Their Mechanical Properties.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- 3D Printed Beam with Optimized Internal Structure-Experimental and Numerical Approach.Materials (Basel, Switzerland) · 2025Article
- Effect of Mass Reduction of 3D-Printed PLA on Load Transfer Capacity-A Circular Economy Perspective.Materials (Basel, Switzerland) · 2025Article
- Trimming flow, plasticity, and mechanical properties by cubic silsesquioxane chemistry.Scientific reports · 2023Article
- Extra-Articular Distal Humerus Plate 3D Model Creation by Using the Method of Anatomical Features.Materials (Basel, Switzerland) · 2023Article
- On the Possibility of Using 3D Printed Polymer Models for Modal Tests on Shaking Tables: Linking Material Properties Investigations, Field Experiments, Shaking Table Tests, and FEM Modeling.Materials (Basel, Switzerland) · 2023Article
- Effects of Infill Density, Wall Perimeter and Layer Height in Fabricating 3D Printing Products.Materials (Basel, Switzerland) · 2023Article
- On the Behavior of Honeycomb, Grid and Triangular PLA Structures under Symmetric and Asymmetric Bending.Micromachines · 2022Article
- Effect of an Adaptive-Density Filling Structure on the Mechanical Properties of FDM Parts with a Variable Cross-Section.Materials (Basel, Switzerland) · 2022Article
- Infill Density Influence on Mechanical and Thermal Properties of Short Carbon Fiber-Reinforced Polyamide Composites Manufactured by FFF Process.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
5 authors.
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Abstract
Three-dimensional printing is a dynamically developing field of industry. Its main advantage is the small amount of waste, no need to use specialized tools, and easy control of the mechanical properties of the printed model. One of the most popular techniques of 3D printing is FDM. The main factor influencing the mechanical properties of 3D-printed materials is the filling density. The aim of this study was to determine the mechanical properties of porous structures with a porosity gradient of PLA samples printed using the FDM technique. The accuracy of mapping the structures by computed tomography was assessed, and then a static compression test was performed. It has been shown that the strength properties increased with the increase in the filling density. The highest value of compression strength, amounting to 41.2 MPa, was observed for samples made of PLA with an 80% filling degree, whereas the lowest value of compression strength was found in PLA-T samples with a filling degree of 10%, reaching only 0.6 MPa. It was found that not only the core filling density, but also the outer layers, influences the mechanical properties. The assessment of spatial architecture allowed for a qualitative and quantitative assessment. The obtained images from the computed tomograph showed that the designed sample models were correctly reproduced in the entire volume.
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