Effect of seawater aging on the erosive wear response of aramid fiber reinforced composites

IF 2.3 3区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Journal of Composite Materials Pub Date : 2024-02-20 DOI:10.1177/00219983241236206

Abel Eslava-Hernández, Julio A Rodríguez-González, Carlos Rubio-González, Armando I Martínez-Pérez, Edgar E Vera-Cárdenas

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引用次数: 0

Abstract

This study presents the effect caused by the saline environment (artificial seawater) on the physical and tribological properties of laminated composite materials reinforced with aramid fibers when they are subjected to erosive wear by sand particles. Composite materials made by epoxy resin and reinforced with glass fiber, carbon fiber and hybrid fiber (aramid with carbon) were studied. The laminates were superficially reinforced with layers of Kevlar fiber and prepared by the vacuum-assisted resin infusion process. The samples were subjected to a seawater accelerated aging process at 70°C for 1122 h. To reproduce erosive wear conditions of marine structural components, sea sand was used as solid particle under conditions of 4.5 bar of pressure, impact speed of 4.7 m/s and impact angle of 90°. The results showed that aged materials absorb more impact energy with respect to unaged counterparts, causing less material loss and a less depth in the wear track. The information generated by this research work may serve for the design and durability analysis of marine structures such as tidal turbine blades.

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海水老化对芳纶纤维增强复合材料侵蚀磨损响应的影响

本研究介绍了当芳纶纤维增强的层压复合材料受到沙粒侵蚀磨损时，盐碱环境（人造海水）对其物理和摩擦学特性的影响。研究了由环氧树脂制成并用玻璃纤维、碳纤维和混合纤维（芳纶与碳）增强的复合材料。层压材料表面用凯夫拉纤维层增强，采用真空辅助树脂灌注工艺制备。为了再现海洋结构部件的侵蚀磨损条件，使用海砂作为固体颗粒，压力为 4.5 巴，冲击速度为 4.7 米/秒，冲击角度为 90°。结果表明，与未老化的材料相比，老化材料吸收的冲击能量更大，造成的材料损失更少，磨损痕迹的深度也更小。这项研究工作产生的信息可用于潮汐涡轮机叶片等海洋结构的设计和耐久性分析。

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 Composite Materials 工程技术-材料科学：复合

CiteScore

5.40

自引率

6.90%

发文量

274

审稿时长

6.8 months

期刊介绍： Consistently ranked in the top 10 of the Thomson Scientific JCR, the Journal of Composite Materials publishes peer reviewed, original research papers from internationally renowned composite materials specialists from industry, universities and research organizations, featuring new advances in materials, processing, design, analysis, testing, performance and applications. This journal is a member of the Committee on Publication Ethics (COPE).