The effect of tensile deformation of knitted fabrics on their electromagnetic shielding ability, electrical resistance, and porosity

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F24%3A00012727" target="_blank" >RIV/46747885:24410/24:00012727 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.1177/15280837241239232" target="_blank" >https://doi.org/10.1177/15280837241239232</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1177/15280837241239232" target="_blank" >10.1177/15280837241239232</a>

Result language

angličtina

Original language name

The effect of tensile deformation of knitted fabrics on their electromagnetic shielding ability, electrical resistance, and porosity

Original language description

Nowadays, electrically conductive textile materials are widely used also for sensing applications in addition to being used as antistatic, electromagnetic shielding, for creating smart textiles, etc. The main aim of this paper is to study the effect of tensile deformation applied on knitted fabrics on their electromagnetic shielding ability, electrical resistance, and porosity to gain knowledge for the construction of textile-based wireless strain sensors. For the experiment, silver-coated yarn was chosen to produce knitted fabrics with two different patterns and three levels of stitch densities. The uniaxial and biaxial deformation was applied to samples and at the same time, the change of electromagnetic shielding ability, electric resistance, and porosity of the sample set was evaluated. It can be summarized, that the vertical stretch has the highest positive effect on the electromagnetic shielding ability and the maximum shielding sensitivity is 12 % compared to other deformation types. In general, the electrical resistance decreases during increased stretch due to the increasing number of contacts between electrically conductive yarns, which causes a decrease in the contact resistance and also a decrease in total electrical resistance. The highest positive effect on the porosity of samples represents biaxial deformation. The finding that the overall shielding efficiency is positively influenced by the electrical conductivity of the sample and at the same time negatively influenced by the increasing porosity during tensile deformation was the motivation to construct a simple regression model for the prediction of the electromagnetic shielding ability of the sample during its extension.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20503 - Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)

Project

<a href="/en/project/EF16_019%2F0000843" target="_blank" >EF16_019/0000843: Hybrid Materials for Hierarchical Structure</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2024

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

JOURNAL OF INDUSTRIAL TEXTILES

ISSN

1528-0837

e-ISSN

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Volume of the periodical

54

Issue of the periodical within the volume

MAR

Country of publishing house

US - UNITED STATES

Number of pages

27

Pages from-to

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UT code for WoS article

001189328300001

EID of the result in the Scopus database

2-s2.0-85213519172