Transmission characteristics of a composite made with ground granulated blast furnace slag

Yi Ru Jeong, Ic Pyo Hong, Heoung Jae Chun, Jong Gwan Yook

Research output: Contribution to journalLetter

Abstract

In this paper, we propose a new composite shielding material using ground granulated blast furnace slag (GGBFS), a byproduct of iron refining. To investigate the feasibility of GGBFS inclusion in shielding material, we fabricated a composite GGBFS material and measured its electromagnetic transmission characteristics. First, we measured the permittivity and permeability of GGBFS itself using a 2-port coaxial cable system. After fabrication of the proposed composite GGBFS material, the permittivity of the proposed structure was measured using the resonance cavity method to obtain the basic electromagnetic material properties. When GGBFS is added to an epoxy resin composite material, permittivity increases by approximately 1.5. To show its feasibility as a shielding material, we fabricated planar samples and measured the electromagnetic transmission characteristics between 6 and 12 GHz using the free space measurement method. The results show that the sample's shielding level is approximately 1.5 dB in the frequency range between 6 and 12 GHz for a GGBFS content of 30% and thickness of 2 mm. We also obtained a 3 dB (50% of incident power) shielding level at 8.5 GHz for a 5mm thick sample. The new proposed material in this paper capable for use in many shielding applications and provide a new opportunity for recycling industrial waste.

Original languageEnglish
Journalieice electronics express
Volume11
Issue number2
DOIs
Publication statusPublished - 2014 Feb 12

Fingerprint

slags
blasts
Slags
furnaces
Shielding
shielding
composite materials
Composite materials
Permittivity
permittivity
electromagnetism
industrial wastes
Industrial Waste
Epoxy Resins
coaxial cables
Coaxial cables
Industrial wastes
refining
epoxy resins
recycling

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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title = "Transmission characteristics of a composite made with ground granulated blast furnace slag",
abstract = "In this paper, we propose a new composite shielding material using ground granulated blast furnace slag (GGBFS), a byproduct of iron refining. To investigate the feasibility of GGBFS inclusion in shielding material, we fabricated a composite GGBFS material and measured its electromagnetic transmission characteristics. First, we measured the permittivity and permeability of GGBFS itself using a 2-port coaxial cable system. After fabrication of the proposed composite GGBFS material, the permittivity of the proposed structure was measured using the resonance cavity method to obtain the basic electromagnetic material properties. When GGBFS is added to an epoxy resin composite material, permittivity increases by approximately 1.5. To show its feasibility as a shielding material, we fabricated planar samples and measured the electromagnetic transmission characteristics between 6 and 12 GHz using the free space measurement method. The results show that the sample's shielding level is approximately 1.5 dB in the frequency range between 6 and 12 GHz for a GGBFS content of 30{\%} and thickness of 2 mm. We also obtained a 3 dB (50{\%} of incident power) shielding level at 8.5 GHz for a 5mm thick sample. The new proposed material in this paper capable for use in many shielding applications and provide a new opportunity for recycling industrial waste.",
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Transmission characteristics of a composite made with ground granulated blast furnace slag. / Jeong, Yi Ru; Hong, Ic Pyo; Chun, Heoung Jae; Yook, Jong Gwan.

In: ieice electronics express, Vol. 11, No. 2, 12.02.2014.

Research output: Contribution to journalLetter

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AU - Hong, Ic Pyo

AU - Chun, Heoung Jae

AU - Yook, Jong Gwan

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