Journal of Science and Technology of Composites

Journal of Science and Technology of Composites

Fabrication and investigation of the electromagnetic wave absorption capability of polymer/ferrite Fe2O3 composite in X-band

Document Type : Research Paper

Authors
Mohammad Heydari Qasemabadi 1
Reza Sarkhosh 1
Hadi Sabouri 2
Mohammad Kazemi Nasrabadi 1
1 Department of Aerospace Engineering, Shahid Sattari Aeronautical University of Science and Technology, Tehran, Iran .
2 Department of Mechanical Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran.
10.22068/jstc.2025.2068474.1935
Abstract
With the rapid development and modernization of advanced radar systems, the need for microwave absorbing materials with wide bandwidth and microwave return power reduction is felt more than ever. Considering the importance of the issue of stealth, high-viscosity adhesives with microwave absorbing capabilities are needed in the connection of composite aerospace parts. In this study, a composite based on epoxy resin and red ferrite particle fillers (Fe2O3) with 37.5 and 75 weight percent was designed and manufactured manually, and the ability to absorb microwave waves in the X frequency band (8-12 GHz) was evaluated. The results and graphs measured by the electromagnetic spectrometer analyzer show that with increasing weight percentage of fillers, the permittivity, dielectric constant, loss tangent and reflection loss increase, and their maximum values were obtained for the sample with a ferrite weight percentage of 75, permittivity of 3.5, dielectric constant of 3.49, loss tangent of 0.065 and reflection loss of -8.1 dB. The magnetic permeability coefficient increases with increasing filler amount up to 37.5 weight percentage, and this coefficient decreases with increasing weight percentage of ferrite filler. This dynamic electromagnetic damping makes the epoxy/ferrite red iron oxide (Fe2O3) composite a leading option for the construction of manned and unmanned aerospace structures, stealth technology, and control and reduction of electromagnetic interference in the industrial workplace.
Keywords
Composite
ferrite
electrical permittivity
dielectric constant
loss tangent

Subjects

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Journal of Science and Technology of Composites
Volume 12, Issue 2
Summer 2025
Pages 2732-2740