椰子纤维复合材料的电导率、抗拉强度和电磁屏蔽性能研究

IF 1.1 4区 工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
D. Permata, W. Widyawati, H. H. Sinaga, N. Purwasih, S. Widiarto
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引用次数: 0

摘要

面对环保材料的问题,天然纤维复合材料成为一种必需品。天然纤维复合材料作为电磁干扰屏蔽外壳的应用研究并不广泛。本研究旨在探讨椰子纤维复合材料作为电磁干扰屏蔽外壳材料的性能。通过将椰子纤维与聚苯胺聚合,并在环氧树脂中掺杂多壁碳纳米管,提高了复合材料的体积导电性。用不同重量百分比的椰子纤维制作了三种复合材料:5%、10%和15%。椰子纤维复合材料的最高体积导电性和屏蔽效能分别为0.0458 S/m和- 7.69 dB,当椰子纤维的重量百分比最高时(15 wt%)。而最高的拉伸强度(26.78 MPa)是由最低的重量百分比(5 wt%)产生的。本研究表明,椰子纤维复合材料的导电性和抗拉强度有待提高,但有可能成为电磁干扰屏蔽外壳的材料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of electrical volume-conductivity, tensile strength, and electromagnetic shielding effectiveness of coconut fiber composite
Natural fiber composite becomes a necessity encountering the issue of eco-friendly materials. The application of natural fiber composite as electromagnetic interference (EMI) shielding enclosures has not been studied extensively. This study aims to investigate the performance of the coconut fiber composite as EMI shielding enclosure material. Enhancement of the electrical volume-conductivity of the composite was made by polymerization of coconut fiber with polyaniline and doping the multiwall carbon nanotubes to epoxy resin. Three types of composites were made with different weight percentages of coconut fiber: 5, 10, and 15 wt%. The highest volume-conductivity and shielding effectiveness of coconut fiber composite are 0,0458 S/m and −7.69 dB from the highest weight percentage of coconut fiber (15 wt%). While the highest tensile strength (26.78 MPa) resulted from the lowest weight percentage (5 wt%). This study shows the coconut fiber composite could potentially be the material of EMI shielding enclosure though their electrical conductivity and tensile strength should be increased.
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来源期刊
CiteScore
1.70
自引率
0.00%
发文量
100
审稿时长
4.6 months
期刊介绍: The aim of the International Journal of Applied Electromagnetics and Mechanics is to contribute to intersciences coupling applied electromagnetics, mechanics and materials. The journal also intends to stimulate the further development of current technology in industry. The main subjects covered by the journal are: Physics and mechanics of electromagnetic materials and devices Computational electromagnetics in materials and devices Applications of electromagnetic fields and materials The three interrelated key subjects – electromagnetics, mechanics and materials - include the following aspects: electromagnetic NDE, electromagnetic machines and devices, electromagnetic materials and structures, electromagnetic fluids, magnetoelastic effects and magnetosolid mechanics, magnetic levitations, electromagnetic propulsion, bioelectromagnetics, and inverse problems in electromagnetics. The editorial policy is to combine information and experience from both the latest high technology fields and as well as the well-established technologies within applied electromagnetics.
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