Investigation on the mechanical, water absorption, and tribological performance of calotropis gigantea and abaca fiber reinforced epoxy composites

IF 2.6 4区 化学 Q3 POLYMER SCIENCE
G. Jeya Pandi, K. Raja, V. Vijayan, S. Sudhagar
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引用次数: 0

Abstract

The mechanical qualities of natural fiber (NF) -based polymer composites are superior, making them advantageous and these composites are environmentally beneficial. The current investigation involved the fabrication of hybrid composites using Calotropis gigantea (CGF) and Abaca Fiber (AF) as reinforcements in epoxy matrix. The hand layup technique was employed for the fabricating process. Subsequently, the composites were investigated and analysed for their water absorption rate, tribological performance, and mechanical properties. This study aims to uncover a noteworthy combination of NF reinforced polymer composites that can be utilized in commercial Engineering applications. The mechanical properties were examined by measuring their hardness, impact resistance, flexural strength (FS), Compressive strength (CS), and tensile strength (TS). Furthermore, the broken surfaces of tensile sample were inspected utilizing a scanning electron microscope. Composite specimens were immensed in distilled water and their water penetration percentages were measured to ascertain their water absorption (WA) properties. The tribological performance was analysed utilizing a pin-on-disc equipment to assess the specific wear rate and coefficient of friction. The outcomes demonstrated that the hybrid composites surpassed the single-fiber composites in all variations. Sample G exhibited superior properties in all combinations, with a TS of 36.19 MPa and tensile modulus of 328.95 MPa. Additionally, it shows that higher flexural strength of 43.85 MPa and flexural modulus values of 350.84 MPa. Furthermore, it demonstrated higher Compressive strength of 94.45 MPa and modulus values of 576.93 MPa. Moreover, it exhibited a higher impact value of 53.88 kJ/m2 and higher hardness value of 44.07 HV. This material is well-suited for non-structural uses in electronics and electrical insulating boards and components, as the results show that a combination of CGF and AF fibers with an epoxy matrix improves mechanical qualities.

卡洛托帕纤维和阿拉伯纤维增强环氧树脂复合材料的机械、吸水性和摩擦学性能研究
以天然纤维(NF)为基础的聚合物复合材料具有优异的机械性能,这使其具有优势,而且这些复合材料对环境有益。目前的研究涉及在环氧树脂基体中使用巨叶桉纤维(CGF)和刺槐纤维(AF)作为增强材料制造混合复合材料。在制造过程中采用了手糊技术。随后,对复合材料的吸水率、摩擦学性能和机械性能进行了研究和分析。这项研究旨在发现一种可用于商业工程应用的值得注意的 NF 增强聚合物复合材料组合。通过测量其硬度、抗冲击性、抗弯强度(FS)、抗压强度(CS)和抗拉强度(TS),对其机械性能进行了检验。此外,还利用扫描电子显微镜检查了拉伸样品的破损表面。将复合材料试样浸入蒸馏水中,测量其渗水百分比,以确定其吸水(WA)性能。利用针盘设备分析了摩擦学性能,以评估特定磨损率和摩擦系数。结果表明,混合复合材料在所有变化中都优于单纤维复合材料。样品 G 在所有组合中都表现出优异的性能,其 TS 值为 36.19 兆帕,拉伸模量为 328.95 兆帕。此外,它还显示出更高的抗弯强度(43.85 兆帕)和抗弯模量(350.84 兆帕)。此外,它还显示出较高的抗压强度(94.45 兆帕)和模量值(576.93 兆帕)。此外,它还表现出 53.88 kJ/m2 的较高冲击值和 44.07 HV 的较高硬度值。结果表明,CGF 和 AF 纤维与环氧基质的结合可提高机械质量,因此这种材料非常适合用于电子和电气绝缘板和组件的非结构性用途。
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来源期刊
Journal of Polymer Research
Journal of Polymer Research 化学-高分子科学
CiteScore
4.70
自引率
7.10%
发文量
472
审稿时长
3.6 months
期刊介绍: Journal of Polymer Research provides a forum for the prompt publication of articles concerning the fundamental and applied research of polymers. Its great feature lies in the diversity of content which it encompasses, drawing together results from all aspects of polymer science and technology. As polymer research is rapidly growing around the globe, the aim of this journal is to establish itself as a significant information tool not only for the international polymer researchers in academia but also for those working in industry. The scope of the journal covers a wide range of the highly interdisciplinary field of polymer science and technology, including: polymer synthesis; polymer reactions; polymerization kinetics; polymer physics; morphology; structure-property relationships; polymer analysis and characterization; physical and mechanical properties; electrical and optical properties; polymer processing and rheology; application of polymers; supramolecular science of polymers; polymer composites.
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