Controllably constructing organic-inorganic multilevel network structures by regulating the ratio of APES/OCNTs on the basalt fiber surface to enhance the interfacial properties of fiber/polyethersulfone composites

IF 6.5 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2024-11-05 DOI:10.1016/j.coco.2024.102151

Li Li , Guojun Song , Yujie Yue , Xiaoran Wang , Junhui Liu , Ran Huang , Jiaqi Liu , Jianwei Zhang , Kunyan Sui , Lichun Ma

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Abstract

Basalt fiber-reinforced polyethersulfone (BF/PES) composites exhibit high strength, heat resistance, chemical resistance, excellent mechanical properties, and environmental sustainability. However, the smooth and chemically inert surface of BF results in weak interfacial bonding with PES, limiting its broader applications. In this study, an organic-inorganic multilevel network structure was constructed on the fiber surface by optimizing the ratio of APES and OCNTs, significantly improving the interfacial properties of BF/PES composites and enhancing their overall performance. After treatment with APES2/OCNTs3, the interlaminar shear strength (ILSS), flexural strength, flexural modulus, and interfacial shear strength (IFSS) reached 71.9 MPa, 379.1 MPa, 12.8 GPa, and 55.1 MPa, representing increases of 94.8 %, 64.1 %, 140.5 %, and 161.1 %, respectively. Furthermore, the enhancement mechanism and influence pattern of the APES/OCNTs hybrid sizing agent on the composite interface were thoroughly investigated. This simple, effective, and controllable method offers considerable potential for improving the interfacial bonding of BF/PES composites.

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通过调节玄武岩纤维表面 APES/OCNT 的比例可控地构建有机-无机多层次网络结构，从而提高纤维/聚醚砜复合材料的界面性能

玄武岩纤维增强聚醚砜（BF/PES）复合材料具有高强度、耐热性、耐化学性、优异的机械性能和环境可持续性。然而，由于玄武岩纤维表面光滑且化学性质惰性，因此与聚醚砜的界面结合力较弱，限制了其更广泛的应用。本研究通过优化 APES 和 OCNT 的比例，在纤维表面构建了有机-无机多层次网络结构，显著改善了 BF/PES 复合材料的界面性能，提高了其综合性能。经 APES2/OCNTs3 处理后，层间剪切强度（ILSS）、弯曲强度、弯曲模量和界面剪切强度（IFSS）分别达到 71.9 MPa、379.1 MPa、12.8 GPa 和 55.1 MPa，增幅分别为 94.8%、64.1%、140.5% 和 161.1%。此外，还深入研究了 APES/OCNTs 混合施胶剂对复合材料界面的增强机制和影响模式。这种简单、有效、可控的方法为改善 BF/PES 复合材料的界面结合提供了巨大的潜力。

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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.