Experimental Evaluation of Characteristics in Large-Scale 3D-Printed Structures from Wood-Based Polymer Composites

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Applied Composite Materials Pub Date : 2026-03-28 DOI:10.1007/s10443-026-10457-2

Artem Chystiakov, Osama A. Q. Ziada, Sheikh Ali Ahmed, Janka Kovacikova

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Abstract

This study investigates the mechanical and physical properties of a wood-based polymer composite DuraSense® 3D S50 Flex K to enhance its potential in large-scale additive manufacturing by studying the influence of printing orientation on the mechanical characteristics of the product. To assess performance, the specimens were produced with different printing layer orientations: at 0°, 30°, 45°, and 90° to the sample length, which corresponds to load application during the tests. Tensile strength, flexural strength, modulus of elasticity, hardness, water absorption, thermophysical properties and microstructure were determined for the samples. The 0° specimens exhibited the highest tensile (15.39 MPa) and flexural strength (26.05 MPa), while the 90° orientation specimens showed reductions in strength of 72% and 69%, respectively. The modulus of elasticity also decreased by 71% at 90°, confirming anisotropy. Additional tests revealed a Brinell hardness of 179.9 N/mm², a water absorption of 19.75%, with minimal dimensional change, and a thermal conductivity of 0.1553 W/m·K. Microscopic analysis showed porosity and uneven fibre distribution, indicating the need for composite optimisation. These findings confirm the importance of orientation-aware design in large-scale additive manufacturing and provide the background for future work focusing on the development of printing strategies and computational modelling to enhance print quality, interlayer adhesion, and performance in applications.

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木基聚合物复合材料大规模3d打印结构特性的实验评估

本研究通过研究打印方向对产品机械特性的影响，研究了木质聚合物复合材料DuraSense®3D S50 Flex K的机械和物理性能，以增强其在大规模增材制造中的潜力。为了评估性能，采用不同的打印层方向制作样品：与样品长度对应的0°，30°，45°和90°，这对应于测试期间的负载应用。测定了试样的抗拉强度、抗弯强度、弹性模量、硬度、吸水性、热物理性能和显微组织。0°取向试样的抗拉强度最高（15.39 MPa），抗弯强度最高（26.05 MPa），而90°取向试样的强度分别降低了72%和69%。弹性模量在90°时也下降了71%，证实了各向异性。进一步的测试表明，布氏硬度为179.9 N/mm2，吸水率为19.75%，尺寸变化最小，导热系数为0.1553 W/m·K。微观分析显示孔隙率和纤维分布不均匀，表明需要优化复合材料。这些发现证实了定向感知设计在大规模增材制造中的重要性，并为未来的工作提供了背景，重点是开发打印策略和计算模型，以提高打印质量、层间附着力和应用性能。

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来源期刊

Applied Composite Materials 工程技术-材料科学：复合

CiteScore

4.20

自引率

4.30%

发文量

审稿时长

1.6 months

期刊介绍： Applied Composite Materials is an international journal dedicated to the publication of original full-length papers, review articles and short communications of the highest quality that advance the development and application of engineering composite materials. Its articles identify problems that limit the performance and reliability of the composite material and composite part; and propose solutions that lead to innovation in design and the successful exploitation and commercialization of composite materials across the widest spectrum of engineering uses. The main focus is on the quantitative descriptions of material systems and processing routes. Coverage includes management of time-dependent changes in microscopic and macroscopic structure and its exploitation from the material''s conception through to its eventual obsolescence.