Effect of Stainless Steel-Containing Fabrics on Electromagnetic Shielding Effectiveness

Su, Ching‐Iuan; Chern, Jin-Tsair

doi:10.1177/004051750407400109

Cited by 123 publications

(75 citation statements)

References 5 publications

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“…The paper is also showing that the direction, density and settlement type of conductive hybrid yarn in fabric structure are important parameters affecting electromagnetic shielding characteristics of woven fabrics. In [33], stainless steel was selected as the conductive filler to produce stainless steel hybrid yams to make woven fabrics (in fibres or monofilament).…”

Section: Shielding Effectivenessmentioning

confidence: 99%

Applications of Polypyrrole/Polyester Textiles: A Review

Sparavigna¹

2017

ijSciences

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Abstract:The polypyrrole, in its intrinsically conducting form, can be used to prepare composites such as polypyrrole/polyester textiles by coating yarns or fabrics made of polyester. In this manner, we obtain textiles that can be involved in several applications, among which we find the use of textiles in electromagnetic shielding. However, several other uses of polypyrrole/polyester composites are possible, such as in biomedical applications. Here we propose a survey of the literature about these composites. Keywords: Textiles, Polypyrrole, Intrinsically Conducting Polymers, Electromagnetic shielding IntroductionWhen opportunely processed, the polypyrrole becomes an intrinsically conducting polymer. This material can be used to prepare polypyrrole/polyester textile composites, by coating yarns or fabrics made of polyester. In this manner we obtain textiles that can be used for several applications. Two of them are the electromagnetic interference (EMI) shielding and the radiation-absorbent camouflage [1][2][3][4][5]. Materials for EMI shielding are needed due to the interference of radio frequency and microwave devices with computers, transformers, cables, mobile phones, medical devices, and also for the effect of the radiation on human health. Applications of textiles is therefore required for the shielding of persons, devices or large volumes such as those of an entire room. In the case that textiles are applied as radiation-absorbent materials they can be used in stealth technology, to disguise devices or structures from radar detection. Other applications of the polypyrrole/polyester fibres and fabrics are possible, in particular in the biomedical area.

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Section: Shielding Effectivenessmentioning

confidence: 99%

Applications of Polypyrrole/Polyester Textiles: A Review

Sparavigna¹

2017

ijSciences

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“…e materials used in the shielding of radiofrequency fields are usually copper, aluminum, or silver based (in the form of wires, metal plating, or conductive fillers) [6][7][8][9][10]. ese shields work by reflecting the waves because these metals have a high electric conductivity.…”

Section: Introductionmentioning

confidence: 99%

Improving Electromagnetic Shielding Ability of Plaster‐Based Composites by Addition of Carbon Fibers

Samkova

Kulhavý

Tunáková

et al. 2018

Advances in Materials Science and Engineering

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e size of electromagnetic shielding in plaster composites by the means of different volume fractions of carbon fibers was studied in this paper. Conventional types of plaster, which are commonly used in industry, that is, cement, lime, gypsum, and lime cement ( ermo UM), were the base materials of the created composites. e fundamental idea of improving the electromagnetic shielding properties was verified based on a numerical simulation conducted by means of electromagnetic module in Comsol Multiphysics. e carbon microfibers with the above-critical length of 8 mm were added as the reinforcing and simultaneously shielding element into the plaster samples. From the viewpoint of the mechanical properties, fibers shorter than the critical length do not provide sufficient reinforcement. e samples were created at three different volume fractions of the dispersion and one without any reinforcement for the possibilities of their mutual comparison. e results of the carried measurement show that the electromagnetic shielding in the plaster composite grows with the increase of fiber content within the tested ratio proportionately. Also, the dependency of shielding ability on the inner material moisture has been studied. Any measureable influence of the moisture content on to the total shielding effect has not been found. Only in the lime plaster reinforced with fibers, the increased moisture could significantly decrease the shielding effect.

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“…Cihaz veya sistemlerin çalışmalarında meydana gelen bu bozulma veya kötüleşmeye Elektromanyetik Girişim (Elektromagnetic Interference-EMI) problemi adı verilmektedir [1,2]. Ayrıca elektromanyetik alanlar, elektronik bir sistem olarak kabul edilebilecek insan vücudunda da istenmeyen etkilere yol açmaktadır [2][3][4].…”

Section: Introductionunclassified

“…Koaksiyel tutucu metot ve yankısız oda metodu tekstil malzemelerinin kalkanlama etkinliği ölçümünde tüm metotlar içerisinde en yaygın kullanılanlardır [4][5][6][7][8].Yankısız oda metoduyla yapılan değerlendirmeler, bu konuda çalışmalar yapan kişi ve kuruluşlar için zaman ve maliyet noktalarında büyük sorunlar çıkar-maktadır. Koaksiyel tutucu metot, yankısız odaya nispeten daha pratik ölçüm imkânı sunsa da, özellikle ölçüm yapılabilen frekans aralığının sınırlı olması ve araştırmacıların daha pratik test yapabilme istekleri bu çalışmanın gerekçesi olmuştur.…”

Section: Introductionunclassified