Twill copper fabrics (3/1) were produced using a single cylinder handloom jacquard weaving machine. The effect of varying weft density, warp density, wire diameter, and lay-up angle on electromagnetic shielding effectiveness was studied. The electromagnetic shielding effectiveness (EMSE) of various copper woven fabrics was obtained using a coaxial transmission line holder in the frequency range of 144–3000 MHz. With an increase in the number of conductive fabric layers, warp density, and weft density, an increase in shielding effectiveness is observed. With an increase in wire diameter, a decrease in shielding effectiveness has been observed.
The surface resistivity and shear characteristics of the polyaniline/ polyester fabrics produced by varying the number of coatings with different fabric structures were studied. With increase in number of coatings, the resistivity of the fabric decreases. The plain woven fabric gives higher surface resistivity than twill and satin weaves. Shear rigidity of twill and satin fabrics are lower than that of plain woven fabrics.
The effect of fabric parameters such as type of weave and pick density on electrical surface resistivity of polyaniline coated fabric was studied. The fabric structure greatly influences the fabric electrical resistivity. Among the samples tested the twill structure with high picks per inch shows lower surface resistivity. The plain structure which has more interlacement points shows higher resistivity.
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