Effect of fibre arrangements on tensile properties of 3D printed continuous fibre-reinforced thermoplastic composites

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Plastics, Rubber and Composites Pub Date : 2021-06-18 DOI:10.1080/14658011.2021.1939588

Wei Chen, Qiu-yang Zhang, H. Cao, Ye Yuan

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引用次数: 5

Abstract

ABSTRACT Continuous fiber reinforced thermoplastic composites (CFRTPCs) with advantages of great mechanical properties and green recyclability, have been widely used in aerospace, transportation, sports and leisure products, etc. This study applied the 3D printing process for the integrated rapid manufacturing of CFRTPCs. The volume fraction and distribution arrangement of fiber reinforcement were designed to evaluate the effect of fiber arrangements on tensile properties of the printed composites. The experimental results proved that some outer and inner defects reduced the surface smoothness and tensile properties based on the analysis of macro and micro morphology. The fiber distributed evenly contributed to the dimensional precision and stability, as well as tensile properties. With the increasing fiber volume, the elastic modulus and ultimate tensile strength both approximately increased while the strain at break decreased. This work promises a significant contribution to the abilities of designing fiber arrangements to control tensile properties of 3D printed CFRTPCs.

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纤维排列对3D打印连续纤维增强热塑性复合材料拉伸性能的影响

连续纤维增强热塑性复合材料(cfrtpc)具有良好的力学性能和绿色可循环利用的优点，在航空航天、交通运输、体育休闲等领域得到了广泛的应用。本研究将3D打印工艺应用于cfrtpc的集成快速制造。设计了增强纤维的体积分数和分布排列，以评价纤维排列对打印复合材料拉伸性能的影响。通过宏观和微观形貌分析，实验结果证明，内部和外部的一些缺陷降低了表面的光洁度和拉伸性能。纤维的均匀分布提高了尺寸精度和稳定性，同时提高了拉伸性能。随着纤维体积的增大，纤维的弹性模量和极限抗拉强度近似增大，断裂应变减小。这项工作有望为设计纤维排列以控制3D打印cfrtpc的拉伸性能的能力做出重大贡献。

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来源期刊

Plastics, Rubber and Composites 工程技术-材料科学：复合

CiteScore

4.10

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： Plastics, Rubber and Composites: Macromolecular Engineering provides an international forum for the publication of original, peer-reviewed research on the macromolecular engineering of polymeric and related materials and polymer matrix composites. Modern polymer processing is increasingly focused on macromolecular engineering: the manipulation of structure at the molecular scale to control properties and fitness for purpose of the final component. Intimately linked to this are the objectives of predicting properties in the context of an optimised design and of establishing robust processing routes and process control systems allowing the desired properties to be achieved reliably.