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Electromagnetic, magnetorheological and stability properties of polysiloxane elastomers based on silane-modified carbonyl iron particles with enhanced wettability

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dc.title Electromagnetic, magnetorheological and stability properties of polysiloxane elastomers based on silane-modified carbonyl iron particles with enhanced wettability en
dc.contributor.author Cvek, Martin
dc.contributor.author Moučka, Robert
dc.contributor.author Sedlačík, Michal
dc.contributor.author Pavlínek, Vladimír
dc.relation.ispartof Smart Materials and Structures
dc.identifier.issn 0964-1726 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2017
utb.relation.volume 26
utb.relation.issue 10
dc.type article
dc.language.iso en
dc.publisher IOP Publishing, Ltd.
dc.identifier.doi 10.1088/1361-665X/aa85c5
dc.relation.uri http://iopscience.iop.org/article/10.1088/1361-665X/aa85c5/meta
dc.subject magnetorheological elastomer en
dc.subject smart materials en
dc.subject transport properties en
dc.subject anisotropy en
dc.subject particles wettability en
dc.subject microstructure analysis en
dc.subject chemical stability en
dc.description.abstract Soft carbonyl iron (CI) particles were successfully modified with a thin layer of tetraethoxysilane (TEOS) to enhance the wettability of their surface in hydrophobic media. The contact angle investigations and tensiometric analysis revealed and helped quantify the significantly enhanced wettability and, thus, the better interfacial adhesion of the TEOS-coated CI particles (CI-TEOS) with the non-polar siloxane-based materials. Therefore, stable magnetorheological elastomers (MREs) based on CI-TEOS particles and polydimethyl siloxane matrix were fabricated. The prepared composites had different particle loadings and microstructural characteristics: isotropic and anisotropic. These structural differences were confirmed by scanning electron microscopy and were found to considerably affect dielectric properties of the MREs due to various charge transport mechanisms within the particle clusters. Furthermore, the magnetorheological (MR) performances of isotropic MRE variants were analysed before and after exposure to acidic environment. After the corrosion test, the MRE based on bare CI particles exhibited dramatically decreased relative MR effect and mechanical properties when compared with its analogue containing CI-TEOS. en
utb.faculty University Institute
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1007529
utb.identifier.obdid 43877155
utb.identifier.scopus 2-s2.0-85030150644
utb.identifier.wok 000409077700002
utb.source j-wok
dc.date.accessioned 2017-10-16T14:43:42Z
dc.date.available 2017-10-16T14:43:42Z
dc.description.sponsorship Internal Grant Agency of Tomas Bata University in Zlin [IGA/CPS/2016/008]; Grant Agency of the Czech Republic [14-32114P]; Ministry of Education, Youth and Sports of the Czech Republic-Program NPU I [LO1504]
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Cvek, Martin
utb.contributor.internalauthor Moučka, Robert
utb.contributor.internalauthor Sedlačík, Michal
utb.contributor.internalauthor Pavlínek, Vladimír
utb.fulltext.affiliation Martin Cvek 1,2 , Robert Moucka 1 , Michal Sedlacik 1 and Vladimir Pavlinek 1 1 Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, 760 01 Zlin, Czech Republic 2 Polymer Centre, Faculty of Technology, Tomas Bata University in Zlin, Vavreckova 275, 760 01 Zlin, Czech Republic E-mail: msedlacik@utb.cz
utb.fulltext.dates Received 19 August 2016, revised 14 July 2017 Accepted for publication 11 August 2017 Published 1 September 2017
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utb.fulltext.sponsorship Author M C gratefully appreciates the Internal Grant Agency of Tomas Bata University in Zlin [project no. IGA/CPS/2016/008] for the financial support. Author M. S. wishes to thank the Grant Agency of the Czech Republic [14-32114P] for financial support. This work was also supported by the Ministry of Education, Youth and Sports of the Czech Republic—Program NPU I [LO1504].
utb.wos.affiliation [Cvek, Martin; Moucka, Robert; Sedlacik, Michal; Pavlinek, Vladimir] Tomas Bata Univ Zlin, Univ Inst, Ctr Polymer Syst, Trida T Bati 5678, Zlin 76001, Czech Republic; [Cvek, Martin] Tomas Bata Univ Zlin, Fac Technol, Polymer Ctr, Vavreckova 275, Zlin 76001, Czech Republic
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