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Open AccessArticle

The Synergic Effects of FDM 3D Printing Parameters on Mechanical Behaviors of Bronze Poly Lactic Acid Composites

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Department of Mechanical Engineering, Faculty of Engineering, Malayer University, P.O. Box 65719-95863 Malayer, Iran
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Department of Engineering, Mahabad Branch, Islamic Azad University, P.O. Box 59135-433 Mahabad, Iran
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Department of Mechanical Engineering, University of Zakho, Kurdistan Region, P.O. Box 12 Zakho, Iraq
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Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
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Authors to whom correspondence should be addressed.
J. Compos. Sci. 2020, 4(1), 17; https://doi.org/10.3390/jcs4010017
Received: 11 January 2020 / Revised: 29 January 2020 / Accepted: 29 January 2020 / Published: 3 February 2020
(This article belongs to the Special Issue Multifunctional Composites)
In this paper, the influence of layer thickness (LT), infill percentage (IP), and extruder temperature (ET) on the maximum failure load, thickness, and build time of bronze polylactic acid (Br-PLA) composites 3D printed by the fused deposition modeling (FDM) was investigated via an optimization method. PLA is a thermoplastic aliphatic polyester obtained from renewable sources, such as fermented plant starch, especially made by corn starch. The design of experiment (DOE) approach was used for optimization parameters, and 3D printings were optimized according to the applied statistical analyses to reach the best features. The maximum value of failure load and minimum value of the build time were considered as optimization criteria. Analysis of variance results identified the layer thickness as the main controlled variable for all responses. Optimum solutions were examined by experimental preparation to assess the efficiency of the optimization method. There was a superb compromise among experimental outcomes and predictions of the response surface method, confirming the reliability of predictive models. The optimum setting for fulfilling the first criterion could result in a sample with more than 1021 N maximum failure load. Finally, a comparison of maximum failure from PLA with Br-PLA was studied. View Full-Text
Keywords: 3D printing; FDM method; bronze polylactic acid composite; response surface method 3D printing; FDM method; bronze polylactic acid composite; response surface method
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MDPI and ACS Style

Moradi, M.; Karami Moghadam, M.; Shamsborhan, M.; Bodaghi, M. The Synergic Effects of FDM 3D Printing Parameters on Mechanical Behaviors of Bronze Poly Lactic Acid Composites. J. Compos. Sci. 2020, 4, 17.

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