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  5. Investigation of application efficiency of synthesized composite materials for protection from electromagnetic radiation at microwave frequencies

Investigation of application efficiency of synthesized composite materials for protection from electromagnetic radiation at microwave frequencies

Z.V. Barsova
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It was investigated electrophysical, mechanical and protective properties of synthesized composite materials based on hexaferrite and aluminates of barium according to the created technology, which were sintered at 1300-1350°С. It was shown that composite materials have binding properties, high coercive force is up to 6000 – 6500 Oe and compressive strength for the 7 day is up to 75 – 85 MPa. It was found that synthesized composite materials have necessary magnetic and high-strength properties and provide the effective protection of biological and technical objects against electro-magnetic radiation in frequency range from 70 to 90 GHz reducing the effect of electro-magnetic radiation on 26 dB.
Keywords: microwave frequency electromagnetic radiation, perspective materials, protection