Stress induced by the striction of hybrid magnetoactive elastic composites

•Mechanical stress induced by the striction of MR composites is experimentally studied.•Composites with magnetic soft and magnetic hard filler are considered.•Effect of the structuring and pre-magnetization of the composites is evaluated.•The magnitude of the strictional effect is related to the mag...

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Bibliographic Details
Published inJournal of magnetism and magnetic materials Vol. 470; pp. 85 - 88
Main Authors Borin, D.Yu, Odenbach, S., Stepanov, G.V.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 15.01.2019
Elsevier BV
Subjects
Carbonyls
Composite materials
Deformation
Magnetism
Magnetodeformation
Magnetopolymer elastic composites
Materials elasticity
Polydimethylsiloxane
Polymer matrix composites
Stress-strain curves
Striction
Magnetodeformation
Magnetopolymer elastic composites
Striction
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Summary:•Mechanical stress induced by the striction of MR composites is experimentally studied.•Composites with magnetic soft and magnetic hard filler are considered.•Effect of the structuring and pre-magnetization of the composites is evaluated.•The magnitude of the strictional effect is related to the magnetic susceptibility of the composite. In this study we experimentally examine the mechanical stress induced by the striction of hybrid magnetoactive elastic composites in the direction parallel to an externally applied magnetic field. Elastic samples based on a polydimethylsiloxane matrix with embedded spherical magnetic soft carbonyl iron particles, spherical magnetic hard NdFeB-alloy particles as well as on a mixture of the two kinds of powder are under investigations. An effect of the structuring and pre-magnetization of the samples on the stress induced by the magnetodeformational effect is evaluated.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2017.12.072