Influence of the Permittivity on Carbon Fiber Particulates Applied in Radiation Absorbing Materials

Published on Jan 29, 2018in Global Journal of Research In Engineering
Miguel Angelo do Amaral Junior2
Estimated H-index: 2
,
Newton Adriano Do Santos Gomes1
Estimated H-index: 1
+ 4 AuthorsMaurício Ribeiro Baldan25
Estimated H-index: 25
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The different graphite morphologies, like graphite intercalation compound (GIC), expanded graphite (EG), and exfoliated graphite (ExfG), were investigated as microwave absorbing materials (MAMs). The modification of the GIC was carried out in two independent parts, consisting of heat treatment and subsequent ultrasound agitation, forming the EG and ExfG, respectively. The surface morphology and structural characterization were investigated using the scanning electron microscope and Raman spectro...
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#1Dimitrios I. Fakis (Brunel University London)
Last. Mihalis Kazilas (Brunel University London)
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A novel method has been introduced for measuring the surface impedance of composite material sheets at microwave frequencies. A length of circular waveguide is manufactured using the fibre-reinforced composite material and its scattering parameters are measured with the use of a network analyser (VNA). An iterative simulation method is subsequently used for the derivation of the surface impedance of the composite based on altering the impedance boundary condition on the walls of a precise model ...
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