Shweta Mishra,
Mohd Anas,
- Research Scholar, Department of Mechanical Engineering, Integral University, Lucknow, Uttar Pradesh, India
- Associate Professor, Department of Mechanical Engineering, Integral University, Lucknow, Uttar Pradesh, India
Abstract
Material extrusion-based 3D printing, a prevalent and economical approach for producing complex geometries, heavily relies on acrylonitrile butadiene styrene due to its advantageous mechanical properties and dimensional stability. Nevertheless, the mechanical integrity of 3D-printed components is considerably impacted by process variables. This research investigates the implications of critical parameters – layer height (LH), infill percentage (IP), and infill pattern design (IPD) – on the tensile, compressive, and flexural strength of parts manufactured through material extrusion-based 3D printer. A multi-response Taguchi parametric design matrix was employed, utilizing measured data for compression, flexural, and tensile strength. The objective is to enable reliable design and fabrication of intricate components. Findings reveal that increasing layer thickness from 100 micrometer to 200 micrometer generally diminishes tensile, flexural, and compressive strength, attributed to the formation of larger internal voids and compromised layer adhesion. Conversely, a higher infill percentage enhances material volume and structural integrity, facilitating improved load distribution and reduced stress concentration. Infill pattern designs, such as the honeycomb structure, are often selected for their superior directional strength. To optimize multiple quality characteristics simultaneously, a multivariable approach was employed using grey relational grade (GRG) analysis. Results indicate that parameters including a 0.1 mm layer height, a 25% infill percentage, and a honeycomb infill pattern design collectively yield the highest overall mechanical strength in 3D-printed parts.
Keywords: 3D Printer, ABS, infill pattern design, infill percentage, layer height
[This article belongs to Journal of Polymer & Composites ]
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Journal of Polymer & Composites
| Volume | 14 | |
| Issue | 05 | |
| Received | 11/05/2026 | |
| Accepted | 17/08/2026 | |
| Published | 25/08/2026 | |
| Publication Time | 106 Days |