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Field-Induced Interactions in Magneto-Active Elastomers

  • In this contribution, field-induced interactions of magnetizable particles embedded into a soft elastomer matrix are analyzed with regard to the resulting mechanical deformations. By comparing experiments for two-, three- and four-particle systems with the results of finite element simulations, a fully coupled continuum model for magneto-active elastomers is validated with the help of real data for the first time. The model under consideration permits the investigation of magneto-active elastomers with arbitrary particle distances, shapes and volume fractions as well as magnetic and mechanical properties of the individual constituents. It thus represents a basis for future studies on more complex, realistic systems. Our results show a very good agreement between experiments and numerical simulations—the deformation behavior of all systems is captured by the model qualitatively as well as quantitatively. Within a sensitivity analysis, the influence of the initial particle positions on the systems' response is examined. Furthermore, a comparison of the full three-dimensional model with the often used, simplified two-dimensional approach shows the typical overestimation of resulting interactions in magneto-active elastomers.

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Metadaten
Author:P. Metsch, H. Schmidt, Dirk SindersbergerORCiD, K. A. Kalina, J. Brummund, Günter AuernhammerORCiDGND, Gareth J. MonkmanORCiDGND, Markus KästnerORCiD
DOI:https://doi.org/10.1088/1361-665X/ab92dc
Parent Title (English):Smart Materials and Structures
Subtitle (German):A Comparison of Experiments and Simulations
Publisher:IOPscience
Document Type:Article
Language:English
Year of first Publication:2020
Release Date:2022/01/17
Volume:29
Issue:8
Article Number:085026
First Page:1
Last Page:10
Note:
Corrigendum: Field-induced interactions in magneto-active elastomers—a comparison of experiments and simulations (2020 Smart Mater. Struct. 29 085026); https://doi.org/10.1088/1361-665X/abb98b
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Mechatronics Research Unit (MRU)
Begutachtungsstatus:peer-reviewed
research focus:Energie und Mobilität
OpenAccess Publikationsweg:Hybrid Open Access - OA-Veröffentlichung in einer Subskriptionszeitschrift/-medium
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International