Superior tensile properties of FDM 3D-printed TPU/E-TPU layered structure

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research Pub Date : 2024-07-03 DOI:10.1557/s43578-024-01365-x

Muhammad Imran Farid, Wenzheng Wu, Guiwei Li, Aodu Zheng, Yu Zhao

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Abstract

The study examines 3D printing technology for robust and flexible prototypes, concentrating on FDM to improve the tensile properties of multilayer TPU and conductive TPU. This research aims at the mechanical properties of layered materials to evaluate how effectively rapid prototyping approaches adhere to robust and soft components. The research evaluated five TPU/E-TPU filaments that additively produced multilayer assemblies: Models (TET), (ETE), (TETE/ETET), (pure TPU), and (pure E-TPU). Models of pure TPU and pure E-TPU serve as standards for comparison. We tailored three input parameters at three levels each: layer thickness, printing speed, and extruder temperature. The experimental results of TET (emphasizing flexibility) and ETE (prioritizing electric conductivity)-layered model arrangements lead to the best mechanical properties. The ANOVA results for the tensile strength extension response models; R² = 75.7%; adjusted R² = 69.3%; and the tensile strain at yield is R² = 71.4%; adjusted R² = 65.7%.

Graphical abstract

Abstract Image

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FDM 3D 打印热塑性聚氨酯/E-热塑性聚氨酯分层结构的卓越拉伸性能

该研究探讨了用于制造坚固和柔性原型的三维打印技术，重点是利用 FDM 改善多层热塑性聚氨酯和导电热塑性聚氨酯的拉伸性能。这项研究旨在研究分层材料的机械性能，以评估快速原型制作方法如何有效地粘附坚固和柔软的部件。研究评估了五种热塑性聚氨酯/导电热塑性聚氨酯长丝，这些长丝通过加成法生产多层组件：模型 (TET)、(ETE)、(TETE/EETET)、（纯 TPU）和（纯 E-TPU）。纯 TPU 和纯 E-TPU 模型作为比较标准。我们定制了三个输入参数，每个参数分为三个级别：层厚度、印刷速度和挤出机温度。实验结果表明，TET（强调柔韧性）和 ETE（优先考虑导电性）层状模型排列具有最佳的机械性能。拉伸强度扩展响应模型的方差分析结果为：R2 = 75.7%；调整后的 R2 = 69.3%；屈服点拉伸应变的方差分析结果为：R2 = 71.4%；调整后的 R2 = 65.7%。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory