Improvement of low-velocity impact and tribo-mechanical properties of unsymmetrical hybrid composites through addition of nanoclay

IF 1.9 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Bulletin of Materials Science Pub Date : 2024-09-23 DOI:10.1007/s12034-024-03294-1
Smaranika Nayak, Bibhu Prasad Sahoo, Ramesh Kumar Nayak, Isham Panigrahi
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Abstract

Improvement in mechanical properties of fibre-reinforced polymer composites through proper matrix modification has emerged as the significant trend in recent advanced technology. Dispersion of nanofillers in the matrix results in ultra-light weight, high strength, impact resistant and durable structures. In the current investigation, effect of the addition of varying percentages (0, 1, 3, 5 and 7 wt.%) of low-cost nanoclay to the unsymmetrical carbon/glass (C2G8) hybrid composites on mechanical, tribological and low-velocity impact (LVI) behaviour were investigated. Using traditional hand lay-up techniques, nanocomposite specimens were prepared. The results revealed that C2G8 hybrid composite with 5 wt.% loading of nanoclay possessed maximum hardness (35 HV), flexural strength (494 MPa), impact strength (Izod (119.022 kJ m−2), Charpy (563.922 kJ m−2)) and minimum specific wear rate (19.6 × 10−3 mm3 Nm−1) in comparison with other hybrid combinations. LVI test also revealed enhanced energy absorption (112.46 J) for hybrid nanocomposite against plain C2G8 hybrid composite. Furthermore, the damage depth and areas were observed by visual inspection and scanning electron microscope to account for best possible structure–property relationship. Developed hybrid nanocomposite may be considered as a suitable material for various automotive applications.

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通过添加纳米粘土改善非对称混合复合材料的低速冲击和三力学性能
通过对基体进行适当改性来提高纤维增强聚合物复合材料的机械性能已成为近年来先进技术的重要发展趋势。在基体中分散纳米填料可获得超轻、高强度、抗冲击和耐用的结构。在当前的研究中,研究了在非对称碳/玻璃(C2G8)混合复合材料中添加不同比例(0、1、3、5 和 7 wt.%)的低成本纳米粘土对机械、摩擦学和低速冲击(LVI)行为的影响。采用传统的手糊技术制备了纳米复合材料试样。结果表明,与其他混合材料相比,添加了 5 wt.% 纳米黏土的 C2G8 混合材料具有最高的硬度(35 HV)、抗弯强度(494 MPa)、冲击强度(Izod (119.022 kJ m-2)、Charpy (563.922 kJ m-2))和最低的比磨损率(19.6 × 10-3 mm3 Nm-1)。LVI 测试还显示,与普通 C2G8 混合复合材料相比,纳米混合复合材料的能量吸收能力更强(112.46 J)。此外,还通过目测和扫描电子显微镜观察了损伤深度和面积,以确定最佳的结构-性能关系。所开发的混合纳米复合材料可作为一种适用于各种汽车应用的材料。
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来源期刊
Bulletin of Materials Science
Bulletin of Materials Science 工程技术-材料科学:综合
CiteScore
3.40
自引率
5.60%
发文量
209
审稿时长
11.5 months
期刊介绍: The Bulletin of Materials Science is a bi-monthly journal being published by the Indian Academy of Sciences in collaboration with the Materials Research Society of India and the Indian National Science Academy. The journal publishes original research articles, review articles and rapid communications in all areas of materials science. The journal also publishes from time to time important Conference Symposia/ Proceedings which are of interest to materials scientists. It has an International Advisory Editorial Board and an Editorial Committee. The Bulletin accords high importance to the quality of articles published and to keep at a minimum the processing time of papers submitted for publication.
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