Abstract
ABSTRACT In the present work, synthesized U-type barium hexagonal (Ba4Co1.5Zn0.5Fe36O60 or BaU) ferrite powder is further transformed into BaU/glass fiber-epoxy structural composites by hand lay-up process and compression moulding techniques using different volume percentages (11.4, 17, and 26.4) within reinforced polymer matrix. Phase formation, surface morphology, and magnetic properties by XRD, FESEM, and VSM techniques, respectively. Subsequently, the electromagnetic and absorbing properties of the designed structures were measured for typical incident EM waves in the frequency range of the C-band. The radar absorbing performance of the designed RAS composites was observed as −16.8 dB in the whole band, with maximum absorption (RL ≤ −10 dB) of adequate thickness at 2.2 mm. Additionally, the effects of the BaU particles on the mechanical properties of the designed polymeric composites were measured through ASTM standard data. The proposed RAS composites are the most demanding absorbers from a military and commercial point of view.
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