剑麻短纤维增强酚醛环保复合材料的力学性能

Q2 Materials Science
M. Maya, S. C. George, Thomasukutty Jose, M. Sreekala, Sabu Thomas
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引用次数: 42

摘要

天然纤维是一种很好的增强材料。在各种天然纤维中,剑麻纤维尤其令人感兴趣,因为与其他木质纤维素纤维相比,剑麻复合材料除了具有中等的拉伸和弯曲性能外,还具有高的冲击强度。剑麻纤维具有成本低、密度低、比强度和模量高、无健康危害、在一些国家易于获得以及可再生性等优点,是一种很有前途的复合材料增强材料。本文从剑麻纤维的性能、加工工艺以及复合材料的物理力学性能等方面综述了剑麻纤维增强酚醛复合材料领域的最新进展。通过添加最佳纤维长度为40mm和纤维负载量为54wt%的剑麻纤维,复合材料的力学性能得到了显著改善。含有54wt%的剑麻PF显示出更好的纤维-基体相互作用。与其他天然纤维的对比表明,剑麻纤维是一种很好的PF基体增强剂。测试了复合材料的弯曲强度和冲击强度,并随着纤维含量的增加而增加。复合材料的老化研究显示出与未老化样品相似的趋势。有趣的是,吸水试验结果表明,纤维负载量为54wt%的复合材料与基体具有良好的相互作用,并且含有较少的空隙。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mechanical Properties of Short Sisal Fibre Reinforced Phenol Formaldehyde Eco-Friendly Composites
Natural fibres are a good reinforcing material. Among the various natural fibres, sisal fibre is of particular interest, since its composites have high impact strength besides having moderate tensile and flexural properties compared to other ligno-cellulosic fibres. Sisal fibre is a promising reinforcement for use in composites on account of its low cost, low density, high specific strength and modulus, no health hazards, easy availability in some countries and renewability. The present work focused on the recent developments in the field of sisal fibre reinforced phenol formaldehyde composites with reference to the properties of sisal fibre, processing techniques, and the physical and mechanical properties of the composites. The mechanical properties of the composites show much improvement by the addition of sisal fibre of optimum fibre length 40 mm and fibre loading 54 wt%. The better fibre matrix interaction is shown by sisal-PF containing 54 wt%. The comparison with other natural fibres shows that sisal fibre is a good reinforcing agent in PF matrix. Flexural strength and impact strength of the composites were examined and are increased with increasing the fibre content. Ageing studies of the composites showed a similar trend to that of un-aged samples. Interestingly, water absorption test results show that composite with 54 wt% fibre loading have good interaction with the matrix and contains less voids.
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来源期刊
Polymers from Renewable Resources
Polymers from Renewable Resources Materials Science-Polymers and Plastics
CiteScore
3.50
自引率
0.00%
发文量
15
期刊介绍: Polymers from Renewable Resources, launched in 2010, publishes leading peer reviewed research that is focused on the development of renewable polymers and their application in the production of industrial, consumer, and medical products. The progressive decline of fossil resources, together with the ongoing increases in oil prices, has initiated an increase in the search for alternatives based on renewable resources for the production of energy. The prevalence of petroleum and carbon based chemistry for the production of organic chemical goods has generated a variety of initiatives aimed at replacing fossil sources with renewable counterparts. In particular, major efforts are being conducted in polymer science and technology to prepare macromolecular materials based on renewable resources. Also gaining momentum is the utilisation of vegetable biomass either by the separation of its components and their development or after suitable chemical modification. This journal is a valuable addition to academic, research and industrial libraries, research institutions dealing with the use of natural resources and materials science and industrial laboratories concerned with polymer science.
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