Development of a hybrid electromagnetic shielding fabric

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Show simple item record Šafářová,  Veronika Militký, Jiří 2016-07-08 2016-07-08 2011
dc.description.abstract According to World Health Organization [1], exposure to electromagnetic fields is not a new phenomenon. However, during the 20th century, environmental exposure to man-made electromagnetic fields has been steadily increasing as growing electricity demand, ever-advancing technologies and changes in social behavior. Everyone is exposed to a complex mix of weak electric and magnetic fields, both at home and at work. Sources of such emissions could include generation and transmission of electricity, domestic appliances and industrial equipment, telecommunications and broadcasting. If the electromagnetic waves are not isolated effectively, they will cause interference with each other and result in technical errors. If somebody gets exposed under the electromagnetic, radiate environment, physical harms may occur on human body [2,3]. Metal is considered to be the best electromagnetic shielding material due its conductivity and permeability, but it is expensive, heavy, and may also have thermal expansion and metal oxidation, or corrosion problems associated with its use. In contrast, most synthetic fabrics are electrically insulating and transparent to electromagnetic radiation [4]. In recent years, conductive fabrics have obtained increased attention for electromagnetic shielding and anti-electrostatic purposes. This is mainly due to their desirable flexibility and lightweight. One way how conductive fabrics can be created is by using minute electrically conductive fibers. They can be produced in filament or staple lengths and can be incorporate with traditional non-conductive fibers to create yarns that possess varying degrees of conductivity. Another way represents conductive coatings which can transform substrates into electrically conductive materials without significantly altering the existing substrate properties. They can be applied to the surface of fibers, yarns or fabrics. The most common are metal and conductive polymer coatings. In this paper, a hybrid electromagnetic shielding fabrics are introduced. An effect of metal content is studied and a form of relation between resistivity and total shielding effectiveness ST is proposed. First group of fabrics is made of hybrid yarns containing metal staple fibers, second group of fabric are polypropylene twill with mesh composed of hybrid yarns containing POP and metal fiber. en
dc.format text
dc.language.iso en
dc.relation.ispartof ICCM International Conferences on Composite Materials
dc.source d-scopus
dc.subject Electric conductivity en
dc.subject Electromagnetic shielding efficiency en
dc.subject Hybrid fabrics en
dc.subject Metal fiber en
dc.title Development of a hybrid electromagnetic shielding fabric en
dc.type conferenceObject
local.identifier.scopus 2-s2.0-84875943639
local.faculty Faculty of Textile Engineering
local.event.sdate 21.8.2011
local.event.edate 26.8.2011
local.event.title 18th International Conference on Composites Materials, ICCM 2011
local.event.location Jeju
local.identifier.coden Jeju
local.department Department of Textile Materials
local.access open access
local.fulltext yes
local.note nefunguje RIV

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