改进型 3D 打印机制造的连续碳纤维增强复合材料的拉伸性能

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-12 DOI:10.1088/2053-1591/ad62c0

Yilmaz Gur, Sare Celik, Raif Sakin

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引用次数: 0

摘要

本研究旨在强调在三种不同的聚合物基体中添加低量（7.5%）连续碳纤维增强材料的影响，以及在热压下进行后处理对结构机械性能的影响。对熔融沉积成型（FDM）打印机的打印头进行了改装，以便直接将聚合物基体和连续碳纤维丝束挤压在一起。纯样品和碳纤维增强样品均在 100°C 和 10 kN 压力下热压固化 15 分钟。所有样品都进行了拉伸和硬度测试，并使用扫描电子显微镜分析了断裂样品的微观结构。结果表明，连续碳纤维加固和热压对提高三维打印物体的机械性能至关重要。

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Tensile behaviour of continuous carbon fibre reinforced composites fabricated by a modified 3D printer

This study aims to highlight the impact of low-volume (7.5%) continuous carbon fibre reinforcement in three different polymer matrices and the effects of post-processing under hot pressing on the mechanical properties of the structures. A fused deposition modelling (FDM) printer's print head was modified to directly extrude the polymer matrix and continuous carbon fibre tow together. Both pure and carbon fibre-reinforced samples were cured under hot pressing at 100°C and 10 kN pressure for 15 minutes. All samples underwent tensile and hardness tests, and the microstructure of fractured samples was analysed using a scanning electron microscope. The results indicate that continuous carbon fibre reinforcement and hot pressing are crucial for enhancing the mechanical performance of 3D-printed objects.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.