在航空航天应用的纤维金属层压板中通过电化学处理提高 PEEK 复合材料与钛的界面性能

IF 3.2 3区 材料科学 Q2 ENGINEERING, CHEMICAL
Riccardo Miranda , Tommaso Scalici , Francesco Di Franco , Monica Santamaria , Antonino Valenza
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引用次数: 0

摘要

在这项工作中,研究了不同的表面处理方法,以改善 5 级钛合金与碳纤维增强 PEEK 复合材料之间的附着力,用于航空航天领域。比较了三种处理方法:机械处理法(MT),使用 80 号砂纸进行打磨;化学处理法,使用硅烷偶联剂(SIL);电化学处理法,使用阳极氧化法。阳极氧化是通过使用由 0.5% 重量的氟化铵 (NH4F) 和不同体积的去离子水组成的乙二醇溶液进行的:5%v/v、20%v/v、50%v/v。氟化铵的含量是固定的,而乙二醇的百分比则取决于水量的变化。评估了两个电位值:30V 和 50V。最后,针对每种电位和水含量,研究了三种不同的阳极氧化时间:10 分钟、30 分钟和 60 分钟。通过扫描电子显微镜进行了形态学研究,以评估阳极氧化参数如何影响纳米管(NTs)层的形状。此外,还进行了短束剪切试验,以评估不同表面处理所带来的改善效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhancing the PEEK composites-titanium interface performances through electrochemical treatment in fibre-metal laminates for aerospace applications

In this work, different surface treatments were investigated to improve the adhesion between grade 5 titanium alloy and carbon fibre-reinforced PEEK composites for aerospace applications. Three types of processes were compared: mechanical treatment (MT), carried out by sander with #80 grit sandpaper, chemical treatment, using a silane coupling agent (SIL) and electrochemical treatment, performed by anodic oxidation. The latter was performed by using an ethylene glycol solution composed of 0.5%wt of ammonium fluoride (NH4F) and variable volume content of deionized water: 5%v/v, 20 % v/v, 50 % v/v. The ammonium fluoride content was fixed, while the ethylene glycol percentage depend on the variation of water volume. Two values of electric potential were evaluated: 30V and 50V. Finally, for each potential and water content, three different anodizing times were studied: 10 min, 30 min, and 60 min. Morphology studies were performed through Scanning electron microscopy to evaluate how the anodizing parameters could affect the shape of the nanotubes (NTs) layers. Moreover, short beam shear tests were carried out to evaluate the achieved improvement given by the different surface treatments.

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来源期刊
International Journal of Adhesion and Adhesives
International Journal of Adhesion and Adhesives 工程技术-材料科学:综合
CiteScore
6.90
自引率
8.80%
发文量
200
审稿时长
8.3 months
期刊介绍: The International Journal of Adhesion and Adhesives draws together the many aspects of the science and technology of adhesive materials, from fundamental research and development work to industrial applications. Subject areas covered include: interfacial interactions, surface chemistry, methods of testing, accumulation of test data on physical and mechanical properties, environmental effects, new adhesive materials, sealants, design of bonded joints, and manufacturing technology.
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