Evaluation of multi-walled carbon nanotubes alignment during 3D printing of poly(acrylonitrile-butadiene-styrene) nanocomposite filaments

IF 2.2 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Journal of Reinforced Plastics and Composites Pub Date : 2024-07-22 DOI:10.1177/07316844241265552

Keyvan Garoosi, Seyed Reza Ghaffarian, Mohammad Razavi-Nouri, Amir Masood Rezadoust, Zahra Soheilpour

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引用次数: 0

Abstract

Nanocomposites incorporated with one-dimensional electrical conductive materials such as carbon nanotubes have been used in many applications in various industries. In this research, the filaments made of poly (acrylonitrile-butadiene-styrene) (ABS) containing 1, 3, and 5 wt% multi-walled carbon nanotubes (MWCNT) were first prepared and then printed in three directions and two printing speeds. The rheological and electrical percolation thresholds were found to take place at 0.32 and 0.96 wt% MWCNT, respectively. Using the Casson plot, it was revealed that the yield stress of the nanocomposites containing 5 wt% MWCNT was 70 times higher than that of the pristine ABS. The results also indicated that the electrical resistance decreased from 17.4 to 6.8 Ω with the increase in printing speed from 4 to 20 mm/s, respectively. The alignment of the nanofillers was examined using X-ray diffraction method. It was found from the azimuth angle that the materials printed at higher printing speed had more orientation, with respect to the director, in comparison with that of printed at lower speed.

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评估聚丙烯腈-丁二烯-苯乙烯纳米复合丝三维打印过程中的多壁碳纳米管排列情况

含有碳纳米管等一维导电材料的纳米复合材料已被广泛应用于各行各业。在这项研究中，首先制备了含有 1、3 和 5 wt% 多壁碳纳米管（MWCNT）的聚丙烯腈-丁二烯-苯乙烯（ABS）长丝，然后以三种方向和两种印刷速度进行印刷。结果发现，流变阈值和电渗阈值分别出现在 0.32 和 0.96 wt% 的 MWCNT 上。使用 Casson 图显示，含有 5 wt% MWCNT 的纳米复合材料的屈服应力是原始 ABS 的 70 倍。结果还表明，随着印刷速度从 4 mm/s 提高到 20 mm/s，电阻分别从 17.4 Ω 下降到 6.8 Ω。利用 X 射线衍射法检测了纳米填料的排列。从方位角可以发现，与低速印刷的材料相比，高速印刷的材料相对于方向的取向性更强。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Reinforced Plastics and Composites 工程技术-材料科学：复合

CiteScore

5.40

自引率

6.50%

发文量

审稿时长

1.3 months

期刊介绍： The Journal of Reinforced Plastics and Composites is a fully peer-reviewed international journal that publishes original research and review articles on a broad range of today''s reinforced plastics and composites including areas in: Constituent materials: matrix materials, reinforcements and coatings. Properties and performance: The results of testing, predictive models, and in-service evaluation of a wide range of materials are published, providing the reader with extensive properties data for reference. Analysis and design: Frequency reports on these subjects inform the reader of analytical techniques, design processes and the many design options available in materials composition. Processing and fabrication: There is increased interest among materials engineers in cost-effective processing. Applications: Reports on new materials R&D are often related to the service requirements of specific application areas, such as automotive, marine, construction and aviation. Reports on special topics are regularly included such as recycling, environmental effects, novel materials, computer-aided design, predictive modelling, and "smart" composite materials. "The articles in the Journal of Reinforced Plastics and Products are must reading for engineers in industry and for researchers working on leading edge problems" Professor Emeritus Stephen W Tsai National Sun Yat-sen University, Taiwan This journal is a member of the Committee on Publication Ethics (COPE).