Effects of infill pattern and compression axis on the compressive strength of the 3D-printed cubic samples

Muhammed S. Kamer; Oguz Dogan

doi:10.1515/mt-2024-0037

Article

Effects of infill pattern and compression axis on the compressive strength of the 3D-printed cubic samples

Muhammed S. Kamer
Dr. Muhammed S. Kamer received his BSc degree in 2004 in Mechanical Engineering from Selcuk University, Konya; his MSc degree in 2014 in Mechanical Engineering from Kahramanmaras Sutcu Imam University, Kahramanmaras; and his PhD degree in 2023 in Mechanical Engineering from Inonu University, Malatya, Turkey. He currently works in Department of Mechanical Engineering at Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. His research interests include finite element analysis, computational fluid dynamics, and rigid body mechanics.
and Oguz Dogan
Associate Prof Dr.

Oguz Dogan received his BSc degree in 2012, his MSc degree in 2015, and his PhD degree in 2020 in Mechanical Engineering from Uludag University, Bursa, Turkey. He currently works in Department of Mechanical Engineering at Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. His research interests include computer-aided design, finite element analysis, machine design, and machine elements.

Published/Copyright: June 26, 2024

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From the journal Materials Testing Volume 66 Issue 8

Abstract

Structures that are very difficult to produce with classical manufacturing methods have become easily produced with the development of additive manufacturing (AM) technique. AM technique allows creating special infill patterns with gaps in the internal structures of the products to be produced. These special infill patterns ensure that the product has maximum rigidity and strength while also providing minimum mass. For this reason, it is important to investigate the effects of infill patterns produced by AM technique on the mechanical properties of the product. In this study, the compression characteristics of compression test samples produced in five different infill patterns (octet, grid, cubic, quarter cubic, gyroid) using the AM method were experimentally investigated in three different axes. Test samples were produced from PLA material with a 3-dimensional (3D) printer in accordance with the ASTM C365-16 standard. Compression tests were repeated three times at a compression speed of 0.5 mm/min, with five different infill patterns and three different axes for each parameter. According to the results obtained, the octet infill pattern provided the best compressive strength in all three axes. It has been determined that the infill pattern or load axis change greatly affects the compression performance of the product.

Keywords: additive manufacturing; compression axis; compression test; infill pattern; PLA

Corresponding author: Muhammed S. Kamer, Department of Mechanical Engineering, Kahramanmaras Sutcu Imam University, Kahramanmaras, Türkiye, E-mail: msafakamer@ksu.edu.tr

About the authors

Muhammed S. Kamer

Dr. Muhammed S. Kamer received his BSc degree in 2004 in Mechanical Engineering from Selcuk University, Konya; his MSc degree in 2014 in Mechanical Engineering from Kahramanmaras Sutcu Imam University, Kahramanmaras; and his PhD degree in 2023 in Mechanical Engineering from Inonu University, Malatya, Turkey. He currently works in Department of Mechanical Engineering at Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. His research interests include finite element analysis, computational fluid dynamics, and rigid body mechanics.

Oguz Dogan

Associate Prof Dr.

Oguz Dogan received his BSc degree in 2012, his MSc degree in 2015, and his PhD degree in 2020 in Mechanical Engineering from Uludag University, Bursa, Turkey. He currently works in Department of Mechanical Engineering at Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. His research interests include computer-aided design, finite element analysis, machine design, and machine elements.

Research ethics: Not applicable.
Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: The authors state no conflict of interest.
Research funding: None declared.
Data availability: Not applicable.

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Published Online: 2024-06-26

Published in Print: 2024-08-27

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Articles in the same Issue

https://doi.org/10.1515/mt-2024-0037

Keywords for this article

additive manufacturing; compression axis; compression test; infill pattern; PLA