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Effects of Filler Distribution on Magnetorheological Silicon-Based Composites

Institute of Physics of Czech Academy of Science, Na Slovance 1999/2, 18221 Prague 8, Czech Republic
The Institute for Nanomaterials, Advanced Technology and Innovation, Technical University of Liberec, Studentska 2, 46117 Liberec, Czech Republic
Department of Civil Engineering and Architecture, University of Catania an UdR-Catania Consorzio INSTM, Viale Andrea Doria 6, 95125 Catania, Italy
Authors to whom correspondence should be addressed.
Materials 2019, 12(18), 3017;
Received: 17 July 2019 / Revised: 3 September 2019 / Accepted: 12 September 2019 / Published: 18 September 2019
(This article belongs to the Special Issue Green Composites: Preparation, Properties, and Applications)
The smart materials subclass of magnetorheological elastomer (MRE) composites is presented in this work, which aimed to investigate the influence of filler distribution on surface morphology. Iron particles with sizes ranging from 20 to 150 µm were incorporated into the elastomer matrix and a 30% volume fraction (V%) was chosen as the optimal quantity for the filler amount in the elastomer composite. The surface morphology of MRE composites was examined by 3D micro-computed tomography (µCT) and scanning electron microscopy (SEM) techniques. Isotropic and anisotropic distributions of the iron particles were estimated in the magnetorheological elastomer composites. The filler particle distribution at various heights of the MRE composites was examined. The isotropic distribution of filler particles was observed without any influence from the magnetic field during sample preparation. The anisotropic arrangement of iron fillers within the MRE composites was observed in the presence of a magnetic field during fabrication. It was shown that the linear arrangement of the iron particle chain induced magnetization within the composite. Simulation analysis was also performed to predict the particle distribution of magnetization in the MREs and make a comparison with the experimental observations. View Full-Text
Keywords: MRE composite; iron particles; elastomer; isotropic distribution MRE composite; iron particles; elastomer; isotropic distribution
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MDPI and ACS Style

Samal, S.; Škodová, M.; Blanco, I. Effects of Filler Distribution on Magnetorheological Silicon-Based Composites. Materials 2019, 12, 3017.

AMA Style

Samal S, Škodová M, Blanco I. Effects of Filler Distribution on Magnetorheological Silicon-Based Composites. Materials. 2019; 12(18):3017.

Chicago/Turabian Style

Samal, Sneha, Marcela Škodová, and Ignazio Blanco. 2019. "Effects of Filler Distribution on Magnetorheological Silicon-Based Composites" Materials 12, no. 18: 3017.

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