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Lightweight, transparent piezoresistive sensors conceptualized as anisotropic magnetorheological elastomers: A durability study

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dc.title Lightweight, transparent piezoresistive sensors conceptualized as anisotropic magnetorheological elastomers: A durability study en
dc.contributor.author Cvek, Martin
dc.contributor.author Kutálková, Erika
dc.contributor.author Moučka, Robert
dc.contributor.author Urbánek, Pavel
dc.contributor.author Sedlačík, Michal
dc.relation.ispartof International Journal of Mechanical Sciences
dc.identifier.issn 0020-7403 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2020
utb.relation.volume 183
dc.type article
dc.language.iso en
dc.publisher Elsevier Ltd
dc.identifier.doi 10.1016/j.ijmecsci.2020.105816
dc.relation.uri https://www.sciencedirect.com/science/article/pii/S002074032030045X
dc.subject Electrical properties en
dc.subject Magnetorheological elastomer en
dc.subject Mechanical testing en
dc.subject Piezoresistivity en
dc.subject Polymer-matrix composites en
dc.description.abstract Conductive elastic composites currently dominate in research efforts on soft electronics, such as wearable and flexible sensors. Typically, the conductivity of polymeric bodies is ensured by the incorporation of fillers. Using this approach, the weight of the composite is undesirably increased and optical properties such as transparency are entirely lost; both of these factors restrict the breadth of potential applications. Herein, we report on the development of lightweight, yet transparent, piezoresistive sensors. In order to obtain the percolating systems, the filler particles were organized using the external magnetic field into chain-like structures that acted as transport pathways for electric charge. The effect of particle concentration (1 to 7 wt.%) on piezoresistivity was investigated on custom-built apparatus. In line with rise in concentration, only a slight increment in structural density was observed (ca 6.5%), although notably there was more than a 100-fold increase in conductivity. The transparency in the direction of the particle chains was preserved to a great extent. The fatigue test revealed that conductivity inevitably diminished with compression loading cycles. Thorough discussion is given to options for extending the service life of such sensors. © 2020 en
utb.faculty University Institute
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1009720
utb.identifier.scopus 2-s2.0-85085914339
utb.identifier.coden IMSCA
utb.source j-scopus
dc.date.accessioned 2020-06-24T08:32:13Z
dc.date.available 2020-06-24T08:32:13Z
utb.ou Centre of Polymers System
utb.contributor.internalauthor Cvek, Martin
utb.contributor.internalauthor Kutálková, Erika
utb.contributor.internalauthor Moučka, Robert
utb.contributor.internalauthor Urbánek, Pavel
utb.contributor.internalauthor Sedlačík, Michal
utb.fulltext.sponsorship The authors wish to thank the Czech Science Foundation ( 17-24730S ) for its financial support. This work was also supported by the Ministry of Education , Youth and Sports of the Czech Republic – Programme NPUI ( LO1504 ).
utb.scopus.affiliation Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Trida T. Bati 5678, Zlín, 760 01, Czech Republic; Department of Production Engineering, Faculty of Technology, Tomas Bata University in Zlín, Vavreckova 275, Zlín, 760 01, Czech Republic
utb.fulltext.projects 17-24730S
utb.fulltext.projects LO1504
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