用于轻质应用的经超声波处理的硅烷处理山竹纤维增强环氧树脂复合材料的机械性能和可燃性能

IF 3.5 4区 工程技术 Q3 ENERGY & FUELS
Jafrey Daniel James Dhilip, Vijay Raghunathan, Ramesh Mohan, Vinod Ayyappan, Sanjay Mavinkere Rangappa, Suchart Siengchin
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引用次数: 0

摘要

以合成纤维为基础的聚合物是一个重要的污染源;然而,由于其广泛的应用,消除这些污染源具有挑战性。天然纤维的特性可以通过化学处理得到增强。在这项研究中,使用硅烷超声波改性的非洲蕉纤维被用于不同的堆叠顺序,而香蕉纤维则未经改性。三层环氧树脂复合材料是采用手工铺层工艺,按照四种堆叠顺序制成的。分析了所开发复合材料的机械、可燃性和形态特征。傅立叶变换红外光谱分析结果表明,硅烷处理后纤维发生了改性。使用扫描电子显微镜进行的形态学研究表明,经过化学处理的纤维与基体之间具有良好的界面结合,从而使极限拉伸强度提高了 15%,硬度提高了 20%,极限弯曲强度提高了 34%,冲击性能提高了 18%。这表明了表面改性对山茶纤维和堆叠顺序的影响。结果表明,纤维与基质的相互作用在控制所开发复合材料的性能特征方面发挥了关键作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Mechanical and flammability properties of ultrasonically processed silane-treated areca-banana fiber-reinforced epoxy composites for lightweight applications

Mechanical and flammability properties of ultrasonically processed silane-treated areca-banana fiber-reinforced epoxy composites for lightweight applications

Synthetic fiber-based polymers constitute a significant pollution source; however, their elimination is challenging due to their extensive applications. The properties of the natural fibers can be enhanced through chemical treatment. In this study, areca fibers, subjected to ultrasonic modification with silane, were utilized in various stacking sequences, and banana fibers were used without modification. The tri-layer epoxy composites were developed following four stacking sequences using a hand layup process. The mechanical, flammability, and morphological characteristics of the developed composites were analyzed. Fourier transform infrared spectroscopy results indicate the modification of fibers after silane treatment. Morphological investigations using scanning electron microscope revealed an excellent interfacial bond between the chemically treated fibers and the matrix, leading to a 15% improvement in ultimate tensile strength, 20% in hardness, 34% in ultimate flexural strength, and 18% in impact properties. This signifies the impact of surface modification on areca fibers and stacking sequence. The results showed that fiber-matrix interaction played a crucial role in controlling the performance characteristics of the developed composites.

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来源期刊
Biomass Conversion and Biorefinery
Biomass Conversion and Biorefinery Energy-Renewable Energy, Sustainability and the Environment
CiteScore
7.00
自引率
15.00%
发文量
1358
期刊介绍: Biomass Conversion and Biorefinery presents articles and information on research, development and applications in thermo-chemical conversion; physico-chemical conversion and bio-chemical conversion, including all necessary steps for the provision and preparation of the biomass as well as all possible downstream processing steps for the environmentally sound and economically viable provision of energy and chemical products.
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