Characterization of electromagnetic interference shielding composed of carbon fibers reinforced plastics and metal wire mesh based composites

Tugirumubano, Alexandre; Vijay, S.J.; Go, Sun Ho; Kwac, Lee Ku; Kim, Hong Gun

doi:10.1016/j.jmrt.2017.08.013

Cited by 23 publications

(6 citation statements)

References 14 publications

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“…By incorporating them into a carbon-epoxy composite, an enhancement in shielding properties is expected. Amongst the reviewed publications [204][205][206][207][208][209][210][211], this incorporation was in the form of metal nanoparticles incorporated into the epoxy matrix [209] and deposited onto the carbon fibres [135], extra aluminium or stainless metal mesh laminated with the carbon-epoxy plies [204,206], stainless steel, nickel and copper mesh wrapped into CFRP [208], stainless steel yarns woven with carbon fibres [205], carbon fibres stitched with conductive threads [210] and Ni-plating of carbon-fibre fabric by an electroless method [207]. The majority of the investigations followed ASTM D4935 standard and in three studies [205,[209][210][211]; the testing frequency range was extended by performing additional tests in a waveguide.…”

Section: Metal-enhanced Hybrid Cfrp Laminatesmentioning

confidence: 99%

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Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Mikinka

Siwak

2021

J Mater Sci: Mater Electron

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Using carbon-fibre-reinforced polymer (CFRP) composites for electromagnetic interference (EMI) shielding has become a rapidly emerging field. This state-of-the-art review summarises all the recent research advancements in the field of electromagnetic shielding properties of CFRP composites, with exclusive attention paid to experimental work. It focuses on (1) important mechanisms and physical phenomena in the shielding process for anisotropic carbon-fibre composites and (2) shielding performance of CFRP materials as reported in the literature, with important performance-affecting parameters. The key properties which directly influence the shielding performance are identified, the most critical being the carbon-fibre concentration along with length for discontinuous carbon-fibre-filled polymers and the lay-up for continuous carbon-fibre-reinforced composites. The effect of adding conductive inclusions such as metal or carbon nanotubes is also reviewed. It is emphasised that processing conditions are strongly linked with the shielding properties of a composite. This is a first review, which covers all the recent advancements in the field of shielding properties of carbon-fibre-reinforced composites, with detailed analysis of factors influencing these properties and clear distinction between continuous and discontinuous reinforcement. It is shown that CFRP composites make a good candidate as an EMI shielding enclosure material.

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Section: Metal-enhanced Hybrid Cfrp Laminatesmentioning

confidence: 99%

“…Table 7 summarises the SE results along with experimental details. Surprisingly, in over half of the cases [205][206][207][208], no baseline values were provided, which significantly restricts the ability to reliably assess the degree of improvement offered by metal addition.…”

Section: Metal-enhanced Hybrid Cfrp Laminatesmentioning

confidence: 99%

Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Mikinka

Siwak

2021

J Mater Sci: Mater Electron

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“…Such S-vacancy engineering has also been extended to other MSs for supercapacitor applications. Some of the more recently reported examples of electrodes based on metal sulphides are CoS, 78 MoS 2 , 186,187 CuS, 188 and Ni 3 S 4 . 189 Mixed metal sulphides (MMSs) have been considered as having good potential for supercapacitor electrodes due to their stable crystal structure as well as their multiple valencies.…”

Section: Supercapacitorsmentioning

confidence: 99%

Section: Energy Related Applicationsmentioning

confidence: 99%

Vacancy designed 2D materials for electrodes in energy storage devices

Kumar¹,

Sahoo²,

Joanni³

et al. 2023

Chem. Commun.

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“…Metal gaskets, made of beryllium and copper wire meshes, are strong and inflexible but can be deformed by force to seal them to a device and are currently in practice. 2 Over time, these gaskets can warp even further, so that they may not effectively shield a device. Besides, the metal gaskets corrode in the long run and are being increasingly replaced with rubber gaskets.…”

Section: Introductionmentioning

confidence: 99%

Fe₃O₄@Ag and Ag@Fe₃O₄ Core–Shell Nanoparticles for Radiofrequency Shielding and Bactericidal Activity

Padmavathy

Chakraborty

Kumar

et al. 2021

ACS Appl. Nano Mater.

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Radiofrequency (RF) shielding is a type of electromagnetic (EM) shielding that prevents RF EM radiation from entering a building. Electrostatic fields, radio waves, and medical equipment can be insulated by multifunctional composites consisting of unique core–shell heterostructures; such materials are in high demand, given the rapid improvements in medical electronics and their expanding clinical applications, which represent a serious challenge of EM pollution in clinical settings. In order to avoid malfunction, the electronics in critical care devices in hospitals must be shielded from radiation. In order to create a material that can block radio waves while still utilizing RF to disinfect the surface, we built core–shell nanostructures to encase critical medical electronics. In this work, we discuss a polymer composite that is customized to provide EM shielding while also safeguarding critical care bioelectronics. Its bactericidal function, on the other hand, prevents nosocomial dangerous microorganisms from spreading contamination. We developed a library of Fe3O4@Ag and Ag@Fe3O4 core–shell and binary heterostructures with configurable Ag or Fe3O4 shell thicknesses. These heterostructures were subsequently combined with ethylene–vinyl acetate (EVA), a thermoplastic polymer, to create flexible composites that may attenuate incident EM radiation. The protective viability (SE) of Fe3O4@Ag core–shell and Ag@Fe3O4 binary nanoparticles in EVA was −32.1 and −20 dB, respectively. Due to localized heating, the Fe3O4@Ag- and Ag@Fe3O4-based nanocomposites exhibited “self-cleaning” behavior, displaying antibacterial activity in the vicinity of a 2.4 GHz wireless fidelity source against Pseudomonas aeruginosa. Taken together, these multifunctional, adaptable composites can protect electronic gadgets from EM radiation and harness RF to render the surface antibacterial, an important attribute in clinical settings.

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Characterization of electromagnetic interference shielding composed of carbon fibers reinforced plastics and metal wire mesh based composites

Cited by 23 publications

References 14 publications

Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Vacancy designed 2D materials for electrodes in energy storage devices

Fe₃O₄@Ag and Ag@Fe₃O₄ Core–Shell Nanoparticles for Radiofrequency Shielding and Bactericidal Activity

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Characterization of electromagnetic interference shielding composed of carbon fibers reinforced plastics and metal wire mesh based composites

Cited by 23 publications

References 14 publications

Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Recent advances in electromagnetic interference shielding properties of carbon-fibre-reinforced polymer composites—a topical review

Vacancy designed 2D materials for electrodes in energy storage devices

Fe3O4@Ag and Ag@Fe3O4 Core–Shell Nanoparticles for Radiofrequency Shielding and Bactericidal Activity

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Product

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Fe₃O₄@Ag and Ag@Fe₃O₄ Core–Shell Nanoparticles for Radiofrequency Shielding and Bactericidal Activity