Effect of 3D Printing Process Parameters on the Tensile Strength of Polylactic Acid (PLA)

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nThis is an unedited manuscript accepted for publication and provided as an Article in Press for early access at the author’s request. The article will undergo copyediting, typesetting, and galley proof review before final publication. Please be aware that errors may be identified during production that could affect the content. All legal disclaimers of the journal apply.n

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Year : 2025 [if 2224 equals=””]29/08/2025 at 3:14 PM[/if 2224] | [if 1553 equals=””] Volume : 13 [else] Volume : 13[/if 1553] | [if 424 equals=”Regular Issue”]Issue : [/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 05 | Page : 128 140

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    Aniket Kolekar, Amol Mali, Ganesh Jadhav, Sunil Dambhare, Sandesh Solepatil, Vikas Dive, Rita Kakade,

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  1. Associate Professor, Assistant Professor, Associate Professor, Professor, Assistant Professor, Assistant Professor, Assistant Professor, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, Department of Mechanical Engineering, D Y Patil International University, Akurdi, Pune, ASM Institute of Business Management and Research, Chinchwad, Pune, Maharashtra, Maharshtra, Maharshtra, Maharshtra, Maharshtra, Maharshtra, Maharshtra, India, India, India, India, India, India, India

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Abstract

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nThis study employs the Taguchi approach to systematically analyze and optimize critical Fused Deposition Modeling (FDM) parameters, focusing on their effect on the tensile strength of 3D-printed Polylactic Acid (PLA) components. The study explores three levels of layer thickness (0.15 mm, 0.25 mm, and 0.3 mm), infill densities (25%, 50%, and 75%), and nozzle temperatures (200°C, 205°C, and 210°C) across three infill patterns: Triangular, Gyroid, and Zig-zag. A total of nine experimental runs were conducted using the L9 orthogonal array design of experiments (DOE), and the mechanical performance was evaluated through tensile testing in accordance with ISO 527 standards. The findings revealed that infill density had the greatest impact on tensile strength, with layer thickness and nozzle temperature being the next most significant parameters. Among the tested patterns, the triangular infill yielded the highest tensile strength of 45.03 MPa at 75% infill density, 0.15 mm layer thickness, and 210°C nozzle temperature. The tensile performance was validated using COMSOL Multiphysics finite element simulations, showing close agreement with experimental results. Statistical analysis using MINITAB-18 and ANOVA confirmed the significance of the parameters. This comprehensive study not only identifies optimal parameter combinations for PLA-based 3D printing but also provides valuable insights for improving the structural performance of FDM components in engineering applications.nn

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Keywords: 3D Printing, polylactic acid (PLA), MINITAB-18 ANOVA, taguchi method, tensile strength.

n[if 424 equals=”Regular Issue”][This article belongs to Journal of Polymer and Composites ]

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How to cite this article:
nAniket Kolekar, Amol Mali, Ganesh Jadhav, Sunil Dambhare, Sandesh Solepatil, Vikas Dive, Rita Kakade. [if 2584 equals=”][226 wpautop=0 striphtml=1][else]Effect of 3D Printing Process Parameters on the Tensile Strength of Polylactic Acid (PLA)[/if 2584]. Journal of Polymer and Composites. 29/07/2025; 13(05):128-140.

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nAniket Kolekar, Amol Mali, Ganesh Jadhav, Sunil Dambhare, Sandesh Solepatil, Vikas Dive, Rita Kakade. [if 2584 equals=”][226 striphtml=1][else]Effect of 3D Printing Process Parameters on the Tensile Strength of Polylactic Acid (PLA)[/if 2584]. Journal of Polymer and Composites. 29/07/2025; 13(05):128-140. Available from: https://journals.stmjournals.com/jopc/article=29/07/2025/view=0

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[if 424 not_equal=””]Regular Issue[else]Published[/if 424] Subscription Original Research

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Journal of Polymer and Composites

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Volume 13
[if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] 05
Received 11/06/2025
Accepted 01/07/2025
Published 29/07/2025
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Publication Time 48 Days

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