AccScience Publishing / MSAM / Volume 2 / Issue 1 / DOI: 10.36922/msam.49
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ORIGINAL RESEARCH ARTICLE

Fast layer fiber orientation optimization method for continuous fiber-reinforced material extrusion process

Valentin Marchal1 Yicha Zhang1* Nadia Labed1 Rémy Lachat1 François Peyraut1
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1 Laboratoire Interdisciplinaire Carnot de Bourgogne, Unité Mixte de Recherche 6303, Centre National de la Recherche Scientifique, Université de Bourgogne Franche-Comté, Université de Technologie de Belfort-Montbéliard, F-90010 Belfort, France
Submitted: 1 February 2023 | Accepted: 15 February 2023 | Published: 17 March 2023
© 2023 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License ( https://creativecommons.org/licenses/by/4.0/ )
Abstract

Material extrusion (MEX) is an additive manufacturing process that uses thermoplastic layer-by-layer building. The use of continuous fiber-reinforced filament enhances mechanical properties, making MEX suitable for use in aerospace, automotive, and robotics industries. This study proposes a laminate optimization method to improve the stiffness of printed parts with low computing time. The 2D stress-flow-based method optimizes fiber’s orientation for each layer in the stacking direction, giving results for a 3D part optimization in a few minutes. Developed with Ansys Parametric Design Language, the computation tool was tested on printed wrenches, resulting in an 18% increase in stiffness. The proposed method is applicable to any printable shape.

Keywords
Additive manufacturing
Continuous fiber printing
Finite element method
Optimization
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Conflict of interest
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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Materials Science in Additive Manufacturing, Electronic ISSN: 2810-9635 Published by AccScience Publishing