Investigation of the Electromagnetic Shielding Effectiveness of Needle Punched Nonwoven Fabrics Produced from Stainless Steel and Carbon Fibres

• Autorzy: Ozen M. S. , Usta I. , Yuksek M. , Sancak E. , Soin N.

Identyfikatory

DOI

10.5604/01.3001.0010.5636

Warianty tytułu

PL

Badanie skuteczności ekranowania elektromagnetycznego igłowanych włóknin wykonanych ze stali nierdzewnej i włókien węglowych

• Języki publikacji: EN

Abstrakty

EN

The electromagnetic shielding effectiveness (EMSE) of needle punched, nonwoven fabrics produced using staple stainless steel and carbon fibres was investigated. Utilising carding and large scale industrial type needle punching machines, webs of staple stainless steel and carbon fibres were produced, which were subsequently bonded on the needle punching machine at approximately 132 punches/cm2 and 13.5 mm needle penetration depth. The effect of varying the carbon fibre content was studied by varying the blend ratio of stainless steel and carbon fibres between 5-20%. EMSE measurements of as-produced needle punched nonwoven fabrics were carried out using the coaxial transmission line method (ASTM D4935-10) in the frequency range of 15-3000 MHz. Within the range, the EMSE values were enhanced from 22.3 dB (95/5, stainless steel/carbon) to 44.7 dB (80/20, stainless steel/carbon), which was attributed to the enhanced conductivity of the fabrics. In fact, the surface resistivity of the samples decreased from 5.80E + 3 Ω to 2.43E + 2 Ω, enhanced for 95:5 and 80:20 stainless steel/carbon blends.

PL

Zbadano efektywność ekranowania elektromagnetycznego (EMSE) igłowanych włóknin wykonanych z wykorzystaniem stali nierdzewnej i włókien węglowych. Wytworzono włókniny ze stali nierdzewnej i włókien węglowych, które spajano na maszynie do igłowania przy około 132 uderzeniach / cm2 i głębokości penetracji 13,5 mm. Zbadano wpływ zmiany zawartości włókien węglowych poprzez zmianę stosunku mieszanki stali nierdzewnej i włókien węglowych w zakresie 5-20%. Pomiary EMSE wytwarzanych w ten sposób igłowanych włóknin wykonano metodą współosiowej linii transmisyjnej (ASTM D4935-10) w zakresie częstotliwości 15-3000 MHz. Stwierdzono, że wartości EMSE zostały zwiększone z 22,3 dB (95/5, stal nierdzewna / węgiel) do 44,7 dB (80/20, stal nierdzewna / węgiel), co zostało przypisane zwiększonej przewodności wyrobów.

Słowa kluczowe

EN

carbon fibre; electromagnetic shielding; nonwoven; stainless steel fibre; needle punching

PL

włóknina igłowana; włókno węglowe; ekranowanie elektromagnetyczne; stal nierdzewna; igłowanie

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2018
• Tom: Vol. 26, no. 1 (127)
• Strony: 94--100
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Ozen M. S.

• Marmara University, Technology Faculty, Department of Textile Engineering, Istanbul, Turkey
• University of Bolton, Institute for Materials Research and Innovation (IMRI), Bolton, UK

autor

Usta I.

• Marmara University, Technology Faculty, Department of Textile Engineering, Istanbul, Turkey

autor

Yuksek M.

• Marmara University, Technology Faculty, Department of Textile Engineering, Istanbul, Turkey

autor

Sancak E.

• Marmara University, Technology Faculty, Department of Textile Engineering, Istanbul, Turkey

autor

Soin N.

• University of Bolton, Institute for Materials Research and Innovation (IMRI), Bolton, UK

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).