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

1
Miguel Angelo Do Amaral Junior
Miguel Angelo Do Amaral Junior
2
Newton Adriano Do Santos Gomes
Newton Adriano Do Santos Gomes
3
Simone de Souza Pinto
Simone de Souza Pinto
4
Mirabel Cerqueira Rezende
Mirabel Cerqueira Rezende
5
Jossano Saldanha Marcuzzo
Jossano Saldanha Marcuzzo
6
Sandro Fonseca Quirino
Sandro Fonseca Quirino
7
Mauricio Ribeiro Baldan
Mauricio Ribeiro Baldan

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Carbonaceous materials are widely applied as materials that absorb electromagnetic radiation, whether in the form of carbon fibers, nanotubes and graphene. In this work the carbon fiber from raw material textile polyacrylonitrile was used in two distinct forms, felt and particulates. The carbon fiber felt samples showed real and imaginary permissiveness about four times higher than those in particulate form and also a reflection of up to 93% of the incident radiation. The study of the particulate fibers was carried out with particles of sizes smaller than 25um and 25-53um and embedded in an epoxy resin matrix in two concentrations of mass, 25% and 50% of carbon fiber. The best attenuation occurred for samples with particulate size 25-53um, where the concentration of 50% attenuated until 60% and the samples with 25% carbon fiber concentration until 75%.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

Miguel Angelo Do Amaral Junior. 2018. \u201cInfluence of the Permittivity on Carbon Fiber Particulates Applied in Radiation Absorbing Materials\u201d. Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 17 (GJRE Volume 17 Issue F8): .

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Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-F Classification: FOR Code: 290903
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v1.2

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January 29, 2018

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English

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Carbonaceous materials are widely applied as materials that absorb electromagnetic radiation, whether in the form of carbon fibers, nanotubes and graphene. In this work the carbon fiber from raw material textile polyacrylonitrile was used in two distinct forms, felt and particulates. The carbon fiber felt samples showed real and imaginary permissiveness about four times higher than those in particulate form and also a reflection of up to 93% of the incident radiation. The study of the particulate fibers was carried out with particles of sizes smaller than 25um and 25-53um and embedded in an epoxy resin matrix in two concentrations of mass, 25% and 50% of carbon fiber. The best attenuation occurred for samples with particulate size 25-53um, where the concentration of 50% attenuated until 60% and the samples with 25% carbon fiber concentration until 75%.

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

Miguel Angelo Do Amaral Junior
Miguel Angelo Do Amaral Junior
Newton Adriano Do Santos Gomes
Newton Adriano Do Santos Gomes
Simone de Souza Pinto
Simone de Souza Pinto
Mirabel Cerqueira Rezende
Mirabel Cerqueira Rezende
Jossano Saldanha Marcuzzo
Jossano Saldanha Marcuzzo
Sandro Fonseca Quirino
Sandro Fonseca Quirino
Mauricio Ribeiro Baldan
Mauricio Ribeiro Baldan

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