Dielectric microwave absorbing material processed by impregnation of carbon fiber fabric with polyaniline

Dielectric microwave absorbing material processed by impregnation of carbon fiber fabric with polyaniline

Autor Folgueras, Luiza De Castro Google Scholar
Nohara, Evandro Luis Google Scholar
Faez, Roselena Autor UNIFESP Google Scholar
Rezende, Mirabel Cerqueira Google Scholar
Instituição Instituto Tecnológico de Aeronáutica Comando-Geral de Tecnologia Aeroespacial
Universidade de Taubaté
Universidade Federal de São Paulo (UNIFESP)
Instituto de Aeronáutica e Espaço Comando-Geral de Tecnologia Aeroespacial Divisão de Materiais
Resumo 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 conducting polymer aiming at the radar absorbing material processing. The experiments consider the sample preparation with one and two impregnations. The prepared samples were evaluated by reflectivity measurements, in the frequency range of 8-12 GHz and scanning electron microscopy analyses. The correlation of the results shows that the quantity of impregnated material influences the performance of the processed microwave absorber. This study shows that the proposed experimental route provides flexible absorbers with absorption values of the incident radiation close to 87%.
Assunto radar absorbing material
conducting polymers
dielectric absorber material
microwave
Idioma Inglês
Financiador Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Data 2007-03-01
Publicado em Materials Research. ABM, ABC, ABPol, v. 10, n. 1, p. 95-99, 2007.
ISSN 1516-1439 (Sherpa/Romeo)
Editor ABM, ABC, ABPol
Extensão 95-99
Fonte http://dx.doi.org/10.1590/S1516-14392007000100020
Direito de acesso Acesso aberto Open Access
Tipo Artigo
SciELO S1516-14392007000100020 (estatísticas na SciELO)
URI http://repositorio.unifesp.br/handle/11600/3583

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