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Abstract
In recent decades, the use of conductive textile structures for electromagnetic shielding effectiveness has been increased. In order to reduce, mitigate or completely eliminate destructive and adverse effects of these waves. For this purpose, the Copper/Cotton core spun yarn was manufactured and the copper wires with various diameters (0.06, 0.07, 0.08 mm) as core component were used. Copper/cotton core spun yarns were knitted with two knit structures, Full Milano and 1 × 1 Rib, at machine gauge (8, 10, and 12 per inch). The electromagnetic shielding effectiveness (EMSE) was examined using ASTM D4935-10 standard at frequency range between 0.03 to 1.5 GHz. The results show that heavier and thicker samples with larger stitch density have the higher EMSE values and also Full Milano knit structure with miss stitches provide larger shielding effectiveness values than 1 × 1 Rib knit structures.
Acknowledgements
The authors wish to appreciate the Mr. Forghani from Kabir-Ris spinning company for providing the cotton roving and traveller and also Mr. Ibrahimi for giving us the flanged cell. It is also grateful to manager of the Electromagnetic research center of department Electrical Engineering Amirkabir University of Technology for their cooperation in EMSE testing.
Disclosure statement
No potential conflict of interest was reported by the authors.