NDLI: Experimental and computational study on epoxy resin reinforced with micro-sized OPEFB using rectangular waveguide and finite element method

Content Provider	IET Digital Library
Author	Khamis, Ahmad Mamoun Abbas, Zulkifly Ahmad, Ahmad F. Azis, Raba'ah Syahidah Abdalhadi, Daw M. Mensah, Ebenezer Ekow
Abstract	Epoxy resin (ER) composites reinforced with micro-sized oil palm empty fruit bunch (OPEFB) were fabricated to improve the biodegradability of electromagnetic interference connector gasket. The dielectric properties, transmission coefficient ∣S 21∣, reflection coefficient ∣S 11∣, reflection loss, power loss and shielding effectiveness were studied at a frequency range of 8–12 GHz. OPEFB–ER composites were prepared by varying the percentages of OPEFB (0, 5, 10, 15, 20, 25, 30 and 40%) at room temperature (25°C ±2). Dielectric constant (ɛ′), loss factor (ɛ″), reflection and transmission coefficients of the composites were measured using rectangular waveguide connected to vector network analyser. In addition, ɛ′ and ɛ″ were used in finite element method technique to obtain ∣S 11∣ and ∣S 21∣. The results showed that the dielectric properties increased but ∣S 11∣ and ∣S 21∣ decreased with increasing OPEFB percentage in the composites. The shielding effectiveness, power loss and reflection loss increased with increasing OPEFB percentage in the composites. The simulated and measured results of ∣S 11∣ and ∣S 21∣ were in good agreement.
Starting Page	752
Ending Page	758
Page Count	7
ISSN	17518725
Volume Number	14
e-ISSN	17518733
Issue Number	Issue 8, Jul (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/14/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.0085
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2020-03-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Biodegradable Materials Dielectric Constant Dielectric Property Electromagnetic Compatibility Electromagnetic Interference Electromagnetic Interference Connector Gasket Electromagnetic Shielding Engineering Material Environmental Issues Epoxy Resin Filled Polymers Finite Element Analysis Finite Element Method Technique Frequency 8.0 GHz to 12.0 GHz Frequency Range Gaskets Interference Loss Factor Mechanical Component Microsized Oil Palm Empty Fruit Bunch Microsized OPEFB Microwave Material Network Analysers Numerical Analysis OPEFB Percentage OPEFB–ER Composites Photonic Technology Power Loss Rectangular Waveguide Reflection Coefficient Reflection Loss Resins Room Temperature Shielding Effectiveness Temperature 293 K to 298 K Transmission Coefficient
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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