Measurement of the water absorption on hybrid carbon fibre prepreg waste composite and its impact on flexural performance

IF 3.1 Q2 MATERIALS SCIENCE, COMPOSITES Functional Composites and Structures Pub Date : 2024-08-22 DOI:10.1088/2631-6331/ad6e51

Ahmad Ashari Ahmad Shukri, Norlin Nosbi, Mohd Firdaus Omar, Siti Shuhadah Md Saleh, Muhammad Bisyrul Hafi Othman, Norazwana Mohd Najib, Wan Fahmin Faiz Wan Ali

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Abstract

Carbon fibre (CF) prepreg, essential to composites and aircraft, generates waste known as carbon fibre prepreg waste (CFW) due to its limited lifespan. This study investigates recycling CFW through hybridization, milling it into powder and mixing it with epoxy resin and alumina to form hybrid composites. Using Minitab software, optimal compositions were determined from 13 and 20 experimental designs for CFW-EP and CFW-EP-AL, respectively. Results identified 2.5 wt% CFW and 97.5 wt% epoxy resin as optimal for CFW-EP, and 2.5 wt% CFW, 2.5 wt% alumina, and 95 wt% epoxy resin as optimal for CFW-EP-AL. Samples of epoxy resin polymer (EP), carbon prepreg waste reinforced composite (CFW-EP), and carbon prepreg waste reinforced with alumina composite (CFW-EP-AL) were fabricated and tested for moisture absorption and flexural strength, revealing noticeable deterioration over time. These findings highlight the importance of compositional analysis in developing sustainable materials with optimal flexural strength for various applications.

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混合碳纤维预浸料废料复合材料吸水性测量及其对弯曲性能的影响

碳纤维（CF）预浸料是复合材料和飞机中不可或缺的材料，但由于其使用寿命有限，会产生被称为碳纤维预浸料废料（CFW）的废物。本研究探讨了通过混合法回收碳纤维预浸料，将其研磨成粉末，然后与环氧树脂和氧化铝混合，形成混合复合材料。使用 Minitab 软件，分别从 CFW-EP 和 CFW-EP-AL 的 13 个和 20 个实验设计中确定了最佳成分。结果表明，2.5 wt% CFW 和 97.5 wt% 环氧树脂是 CFW-EP 的最佳成分，2.5 wt% CFW、2.5 wt% 氧化铝和 95 wt% 环氧树脂是 CFW-EP-AL 的最佳成分。制作了环氧树脂聚合物（EP）、碳预浸料废料增强复合材料（CFW-EP）和碳预浸料废料增强氧化铝复合材料（CFW-EP-AL）样品，并对其吸湿性和抗折强度进行了测试，结果表明，随着时间的推移，这些样品的性能会明显下降。这些发现凸显了成分分析在为各种应用开发具有最佳抗弯强度的可持续材料方面的重要性。

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来源期刊

Functional Composites and Structures Materials Science-Materials Science (miscellaneous)

CiteScore

4.80

自引率

10.70%

发文量