A study on EMI shielding enhancement behaviors of Ni-plated CFs-reinforced polymer matrix composites by post heat treatment

Kim, Kwan-Woo; Han, Woong; Kim, Byoung‐Suhk; Kim, Byung-Joo; An, Ki‐Seok

doi:10.1016/j.apsusc.2017.01.108

Cited by 44 publications

(13 citation statements)

References 23 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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“…The electrical conductivity of a material represents its inherent ability to dissipate EM waves. High conductivity will directly contribute to high EMI SE, so the conductivity has a certain reference value to the electromagnetic shielding ability of the samples Figure a presents the electrical conductivity of the different CEF-NF/PDA/Ag- X fabrics.…”

Section: Resultsmentioning

confidence: 99%

“…High conductivity will directly contribute to high EMI SE, so the conductivity has a certain reference value to the electromagnetic shielding ability of the samples. 24 Figure 3a presents the electrical conductivity of the different CEF-NF/PDA/Ag-X fabrics. Due to the strong bonding between PDA and CEF-NFs and the chelation between PDA and Ag + , 10 the fibers of CEF-NFs were intimately covered with a dense layer of AgNPs.…”

Section: Resultsmentioning

confidence: 99%

Preparation of Flexible Carbon Fiber Fabrics with Adjustable Surface Wettability for High-Efficiency Electromagnetic Interference Shielding

Mei

Xie

et al. 2020

ACS Appl. Mater. Interfaces

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In the 5G era, for portable electronics to operate at high performance and low power levels, the incorporation of superior electromagnetic interference (EMI) shielding materials within the packages is of critical importance. A desirable wearable EMI shielding material is one that is lightweight, structurally flexible, air-permeable, and able to self-clean. To this end, a bioinspired electroless silver plating strategy and a one-step electrodeposition method are utilized to prepare an EMI shielding fabric (CEF-NF/PDA/Ag/50-30) that possesses these desirable properties. Porous CEF-NF mats with a spatially distributed silver coating create efficient pathways for electron movement and enable a remarkable conductivity of 370 S mm–1. When tested within a frequency range of 8.2–12.4 GHz, this highly conductive fabric not only achieves an EMI shielding effectiveness (EMI SE of 101.27 dB at 5028 dB cm2 g–1) comparable to a very thin and light metal but also retains the unique properties of fabricsbeing light, structurally flexible, and breathable. In addition, it exhibits a high contact angle (CA) of 156.4° with reversible surface wettability. After having been subjected to 1000 cycles of bending, the performance of the fabric only decreases minimally. This strategy potentially provides a novel way to design and manufacture an easily integrated EMI shielding fabric for flexible wearable devices.

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“…Though the functional groups on rGO sheets are crucial to the strong interfacial adhesion with a substrate, it will sacrifice the electrical conductivity compared to perfect graphene sheets. , Theoretically, enhancement in EMI shielding performance is closely associated with the formation of electrically conductive networks, which usually means higher electrical conductivity of the shielding materials . Metal, as a conventional EMI shielding material with superior electrical conductivity, can be easily decorated on fabric substrates through an easy-operating and cost-effective electroless deposition method. ,− Moreover, alloys consolidating properties from monocomponents are regarded as a promising material for the next generation of multifunctional EMI shielding materials. ,− Shi et al fabricated multifunctional EMI shielding wood-based composites with excellent hydrophobicity and corrosion resistance by depositing Ni–Mo–P alloy coating . Shen et al fabricated an ultrathin metal (Ag–Ni) mesh-based transparent conductive film through an evaporation-free process, which exhibited stable thermal response and moderate EMI shielding effectiveness (SE) .…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Electromagnetic Interference Shielding Ternary Alloy (Ni–W–P) Decorated Fabric with Wide-Operating-Range Joule Heating Performances

Bai

Qin

2020

ACS Appl. Mater. Interfaces

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Flexible electromagnetic interference (EMI) shielding textiles with wide-operating-range Joule heating performances are urgently indispensable in the application of artificial intelligence, communication industry, and wearable electronics. Herein, a simple and cost-effective approach is proposed to construct multifunctional textiles by electroless depositing a nickel–tungsten–phosphorus (Ni–W–P) ternary alloy on a polyamide (PA) fabric. The resultant fabric with a thickness of ∼117 μm exhibits a favorable EMI shielding effectiveness (SE) of 43.6 dB within 2–12.5 GHz. Particularly, finite difference time domain (FDTD) simulation was introduced to investigate the effects of the PA fabric mesh number and Ni–W ratio on the EMI SE value, which was validated by experimental results. In addition, the conductive fabric demonstrates excellent heating efficiency (up to 140 °C under 2 V within 60 s), a wide operating range (from 40 to 140 °C), and simultaneously, satisfactory reproducibility by undergoing dozens of heating and cooling cycles. Notably, EMI SE of the multifunctional fabric remains unchanged even after a series of durability measurements including 180 °C heating, ultrasonication treatment, and repetitive peeling tests, respectively. Therefore, the prepared Ni–W–P coated PA fabric with prominent chemical stability and mechanical robustness endows enormous potential in multi-scene applications.

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A study on EMI shielding enhancement behaviors of Ni-plated CFs-reinforced polymer matrix composites by post heat treatment

Cited by 44 publications

References 23 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

Preparation of Flexible Carbon Fiber Fabrics with Adjustable Surface Wettability for High-Efficiency Electromagnetic Interference Shielding

Multifunctional Electromagnetic Interference Shielding Ternary Alloy (Ni–W–P) Decorated Fabric with Wide-Operating-Range Joule Heating Performances

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