The enhanced tribological performance of fabric‐reinforced resin composites by biomimetic surface modification of fillers

IF 1.6 4区化学 Q4 CHEMISTRY, PHYSICAL

Surface and Interface Analysis Pub Date : 2024-04-29 DOI:10.1002/sia.7310

Fengxiang Cao, Zhen Fang, Zhuhui Qiao

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引用次数: 0

Abstract

The poor dispersion of multiwalled carbon nanotubes (MWCNTs) and weak interfacial adhesion of fabric and resin matrix seriously affect the tribological performance of fabric‐reinforcement resin composites. Tannic acid (TA), a plant‐derived compound, which is similar to mussel‐inspired polydopamine, can adhere to various substrates under a weak basic buffer solution. Therefore, in this work, TA‐modified MWCNTs were incorporated into TA functionalized fabric composite to improve the tribological performance of the fabric composite. The results indicate that the MWCNTs and fabric were successfully modified with TA. The wear tests revealed that the TA‐MWCNTs reinforcement TA‐fabric resin composites exhibited the best tribological performance, in which the friction coefficient and volume wear rate decreased by 16.9% and 40%, respectively, compared with pristine fabric composite. The favorable interfacial bonding between fabric and resin is beneficial to the friction force transfer to the load‐bearing fabric, decreasing the stress focus and thus reducing the damage to composite materials. Meanwhile, the good dispersion of MWCNTs contributes to the excellent lubrication performance. This simple and eco‐friendly method of treating fillers with TA provides a new approach to achieve high‐performance tribological materials.

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通过对填料进行仿生表面改性提高织物增强树脂复合材料的摩擦学性能

多壁碳纳米管（MWCNTs）分散性差，织物与树脂基体的界面粘附性弱，严重影响了织物增强树脂复合材料的摩擦学性能。单宁酸（TA）是一种植物源化合物，类似于贻贝启发的多巴胺，在弱碱性缓冲溶液下可粘附在各种基材上。因此，在这项工作中，将 TA 改性的 MWCNT 加入 TA 功能化织物复合材料中，以改善织物复合材料的摩擦学性能。结果表明，TA 成功改性了 MWCNTs 和织物。磨损试验表明，TA-MWCNTs 增强 TA 树脂织物复合材料的摩擦学性能最好，与原始织物复合材料相比，摩擦系数和体积磨损率分别降低了 16.9% 和 40%。织物与树脂之间良好的界面结合有利于摩擦力传递到承载织物上，减少应力集中，从而降低对复合材料的损伤。同时，MWCNTs 的良好分散性也有助于实现优异的润滑性能。这种用 TA 处理填料的方法既简单又环保，为实现高性能摩擦学材料提供了一种新方法。

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

Surface and Interface Analysis 化学-物理化学

CiteScore

3.30

自引率

5.90%

发文量

130

审稿时长

4.4 months

期刊介绍： Surface and Interface Analysis is devoted to the publication of papers dealing with the development and application of techniques for the characterization of surfaces, interfaces and thin films. Papers dealing with standardization and quantification are particularly welcome, and also those which deal with the application of these techniques to industrial problems. Papers dealing with the purely theoretical aspects of the technique will also be considered. Review articles will be published; prior consultation with one of the Editors is advised in these cases. Papers must clearly be of scientific value in the field and will be submitted to two independent referees. Contributions must be in English and must not have been published elsewhere, and authors must agree not to communicate the same material for publication to any other journal. Authors are invited to submit their papers for publication to John Watts (UK only), Jose Sanz (Rest of Europe), John T. Grant (all non-European countries, except Japan) or R. Shimizu (Japan only).