Development and characterization of calcium carbonate reinforced PLA composite filament for sustainable fabrication of TPMS and FG-TPMS structures using FFF

IF 7.7 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2025-10-06 DOI:10.1016/j.coco.2025.102606

Kishore Ravikumar , Gurusamy Pathinettampadian , Murugan Vellaisamy , Lokesh kumar J

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Abstract

This study concentrates on the development of sustainable bio-composites for Additive Manufacturing (AM) using Fused Filament Fabrication (FFF). Polylactic acid (PLA) reinforced with eggshell powder at an optimized composition of 15 wt% was extruded into composite filaments and used to fabricate Triply Periodic Minimal Surface (TPMS) and Functionally Graded TPMS (FG-TPMS) structures. Compression tests (ASTM D1621-10) and microstructural analyses were carried out to evaluate compressive strength, stiffness, and energy absorption behaviour. The results revealed that eggshell-PLA TPMS structures possess an enhanced load-bearing capability, controlled deformation, and superior energy absorption behaviour. These findings bring to limelight about the potential of eggshell-PLA composites as lightweight, high-performance, and environmentally friendly materials for applications in automotive crash absorbers, aerospace interior components and biomedical implants such as bone scaffolds and orthotic supports.

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碳酸钙增强PLA复合长丝的开发与表征，用于FFF可持续制造TPMS和FG-TPMS结构

本研究的重点是利用熔融长丝制造（FFF）技术开发用于增材制造（AM）的可持续生物复合材料。将蛋壳粉增强聚乳酸（PLA）以15wt %的优化配比挤压成复合长丝，并用于制备三周期最小表面（TPMS）和功能梯度TPMS （FG-TPMS）结构。进行压缩试验（ASTM D1621-10）和微观结构分析，以评估抗压强度、刚度和能量吸收行为。结果表明，蛋壳-聚乳酸TPMS结构具有增强的承载能力、控制变形和优越的吸能性能。这些发现使人们关注蛋壳- pla复合材料作为轻质、高性能和环保材料的潜力，这些材料可应用于汽车碰撞减震器、航空航天内部部件和生物医学植入物，如骨支架和矫形支撑。

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.