Systematic Optimization of FDM 3D Printing Parameters for PLA: PBAT–Hemp Composites Using Taguchi Design

IF 5 3区工程技术 Q2 ENGINEERING, ENVIRONMENTAL

Journal of Polymers and the Environment Pub Date : 2025-06-11 DOI:10.1007/s10924-025-03601-9

Javid Sharifi, Dylan Jubinville, Tizazu H. Mekonnen, Haniyeh Ramona Fayazfar

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引用次数: 0

Abstract

The current study investigates the effects of fused deposition modeling 3D printing process parameters on the mechanical properties of poly(lactic acid): poly(butylene adipate terephthalate)-based hemp composites, with the goal of enhancing material performance and supporting sustainable manufacturing. A highly filled hemp hurd biocomposite formulation was developed and optimized using Taguchi design of experiments, exploring the influence of eight key fused deposition modeling 3D printing parameters. The results reveal that print orientation and nozzle temperature significantly affect tensile strength and modulus, while flow rate and nozzle diameter have a dominant influence on elongation at break. The best-performing specimens achieved tensile strength and modulus values of 16.7 MPa and 1.6 GPa, respectively, while samples optimized for ductility exhibited elongation of up to 1.8%. Deviations between experimental and theoretical predictions, up to 9.1% for tensile strength and 1.7% for elongation, highlight the complexity of parameter interactions. SEM analysis confirmed improved interlayer adhesion in flat-on-bed printed samples, correlating with enhanced mechanical properties.

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基于田口设计的PLA: PBAT-Hemp复合材料FDM 3D打印参数系统优化

目前的研究旨在研究熔融沉积建模3D打印工艺参数对聚乳酸：聚己二酸丁二醇酯基大麻复合材料力学性能的影响，以提高材料性能并支持可持续制造。采用田口设计的实验方法，研究了8个关键熔融沉积建模3D打印参数对高填充大麻秸秆生物复合材料配方的影响。结果表明，打印方向和喷嘴温度对拉伸强度和模量有显著影响，而流量和喷嘴直径对断裂伸长率有主要影响。性能最佳的试样抗拉强度和模量分别达到16.7 MPa和1.6 GPa，而延展性优化后的试样伸长率高达1.8%。实验和理论预测之间的偏差，拉伸强度高达9.1%，延伸率高达1.7%，突出了参数相互作用的复杂性。扫描电镜分析证实，平面印刷样品的层间附着力得到改善，力学性能得到增强。

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来源期刊

Journal of Polymers and the Environment 工程技术-高分子科学

CiteScore

9.50

自引率

7.50%

发文量

297

审稿时长

9 months

期刊介绍： The Journal of Polymers and the Environment fills the need for an international forum in this diverse and rapidly expanding field. The journal serves a crucial role for the publication of information from a wide range of disciplines and is a central outlet for the publication of high-quality peer-reviewed original papers, review articles and short communications. The journal is intentionally interdisciplinary in regard to contributions and covers the following subjects - polymers, environmentally degradable polymers, and degradation pathways: biological, photochemical, oxidative and hydrolytic; new environmental materials: derived by chemical and biosynthetic routes; environmental blends and composites; developments in processing and reactive processing of environmental polymers; characterization of environmental materials: mechanical, physical, thermal, rheological, morphological, and others; recyclable polymers and plastics recycling environmental testing: in-laboratory simulations, outdoor exposures, and standardization of methodologies; environmental fate: end products and intermediates of biodegradation; microbiology and enzymology of polymer biodegradation; solid-waste management and public legislation specific to environmental polymers; and other related topics.