نتایج جستجو برای: Radar absorbing materials
تعداد نتایج: 484262 فیلتر نتایج به سال:
radar absorbing materials, i.e. magnetite (fe3o4) coated carbon fibers (mccfs) were fabricated by electro-deposition technique. black-colored single spinel phase fe3o4 nanoparticles was easily synthesized by hydrothermal method using reduction of a fe (iii) - triethanolamine complex in an aqueous alkaline solution at 60-80 ◦c. uniform and compact fe3o4 films were fabricated on nitric acid treat...
graphene nanostructures were synthesized by hummer method. 1, 3, 5 and 7 wt% of graphene nanostructures were suspended in certain amount of acetone on a mechanical stirrer and stirred then added to epoxy resin. after 4 hours, solution and graphene platelets (gps) were prepared. nanostructures were characterized by x-ray diffraction (xrd), scanning electron microscopy (sem ), fourier transform i...
Nanostructured radar absorbing materials (RAMs) have received steadily growing interest because of their fascinating properties and various applications compared with the bulk or micronized counterparts. These nanostructured materials have increased surface area, number of dangling bond atoms and unsaturated co -ordination on surface lead to interface polarization, multiple scatter and absorbin...
Radar-absorbing materials are used in stealth technologies for concealment of an object from radar detection. Resistive and/or magnetic composite materials are used to reduce the backscattered microwave signals. Inability to control electrical properties of these materials, however, hinders the realization of active camouflage systems. Here, using large-area graphene electrodes, we demonstrate ...
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