Abstract
Electromagnetic pollution is a problem that damages all creatures and electronic devices. Most of the electronic devices we use at homes emit electromagnetic radiation. Conductive textile surfaces are used for electromagnetic shielding applications. However, to provide electromagnetic shielding, there has not been any study on the bicomponent fiber production with barium titanate. For this purpose, in this study, bicomponent yarns were produced using three different adding ratios of barium titanate. The mechanical and electrical properties of the yarns were investigated. Knitted fabrics were produced from bicomponent yarns with two different fabric densities using a circular knitting machine. The effects of the additive ratio and the fabric density on the effectiveness of the electromagnetic shielding were also investigated. The fabric with the highest content of the barium titanate and greater fabric density showed the highest shielding effectiveness, reaching 25.95 dB at 0.02 GHz.
Highlights
With the advancement of technology, electrical and electronic devices are used everywhere in daily life emitting electromagnetic radiation which creates the problem of electromagnetic pollution
It was found that the electromagnetic shielding and electrostatic discharge attenuation of the fabric depended on the Department of Textile Engineering, Bursa Uludag University, Bursa, Turkey
In order to investigate the effect of knit density on the electromagnetic shielding efficiency, knitted fabrics were produced on circular knitting machines (HARRY LUCAS) with different machine gauges (E14 and E22)
Summary
With the advancement of technology, electrical and electronic devices are used everywhere in daily life emitting electromagnetic radiation which creates the problem of electromagnetic pollution. Barium titanate (BaTiO3) is a member of perovskite compounds family and has ferroelectric properties with high dielectric constants.[17] Due to its good characteristics, it is used in many applications such as capacitors, multilayer capacitors (MLCs), energy storage devices, and piezoelectric transducers.[17,18] electrical conductivity and electromagnetic shielding properties of bicomponent PET yarns with BaTiO3 addition have not been studied. Saini et al.[21] investigated structural, electrical, and electromagnetic correlations of polyaniline-tetragonal barium titanate nanocomposites In order to investigate the effect of knit density on the electromagnetic shielding efficiency, knitted fabrics were produced on circular knitting machines (HARRY LUCAS) with different machine gauges (E14 and E22).
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