Buscar
Mostrando ítems 1-10 de 155
Dielectric microwave absorbing material processed by impregnation of carbon fiber fabric with polyaniline
(ABM, ABC, ABPol, 2007-03-01)
It is a known fact that the adequate combination of components and experimental conditions may produce materials with specific requirements. This study presents the effect of carbon fiber fabric impregnation with polyaniline ...
Influence of the aspect ratio of magnetic metallic additives on the microwave absorbing performance
(Iop Publishing Ltd, 2017)
This work aims to show the behavior of radar absorbing materials (RAM) based on magnetic metallic additives with different aspect ratios. For this, two materials, carbonyl iron, constituted of spherical iron particles, and ...
Microwave absorbing properties of glass fiber/epoxy resin composites tailored with frequency selective surface based on nonwoven of carbon fibers metalized with nickel
(2020-08-01)
Radar absorbing structures (RAS) based on frequency selective surface (FSS) can be prepared to meet tailored properties in reducing electromagnetic interference in the microwave range, in addition to presenting mechanical ...
Reactive doping of PAni-CSA and its use in microwave absorbing materials
(Wiley-Blackwell, 2009-01-01)
Conductive coatings have been studied for static dissipation and as microwave absorbing materials. the doping process of polyaniline (PAni), which makes it conductive, is an important stage that determines the coating ...
Sr hexaferrite/Ni ferrite nanocomposites: Magnetic behavior and microwave absorbing properties in the X-band
(Elsevier Science Sa, 2015-03)
Nickel ferrite nanoparticles were synthesized by a self-combustion method over nanocrystalline powders of Nd-Co substituted strontium hexaferrite with nominal composition Sr0.5Nd0.5Co0.5Fe10.5O19, at different mass relations. ...
Pressure and microwave sensors/actuators based on smart hydrogel/conductive polymer nanocomposite
(Elsevier Science, 2013-08)
A nanocomposite is fabricated by formation of a conductive polymer, using in situ oxidative polymerization, inside a thermosensitive crosslinked hydrogel. FE-SEM micrographs show the nanometric domains of the conductive ...
Synthesis and characterization of cuinsse absorbentmaterials synthesized via microwave radiation
(Natl Inst R&D Materials Physics, 2016)
In this paper, the results of the synthesis, structural, vibrational and optical characterization of the CuInSSe pseudo-quaternary compound (CISS) obtained via the assistance of microwave radiation and the conventional ...
Nanostructured Composites Based on Carbon Nanotubes and Epoxy Resin for Use as Radar Absorbing Materials
(Univ Fed Sao Carlos, Dept Engenharia Materials, 2013-11-01)
Nanostructured polymer composites have opened up new perspectives for multifunctional materials. In particular, carbon nanotubes (CNTs) present potential applications in order to improve mechanical and electrical performance ...