Abstract
Anisotropic magnetorheological elastomers (MREs) with four different mass percentages ofiron powder were prepared in an external magnetic field. The inner structure of the sampleswas characterized by using computed tomography. It has been shown that this kind ofnon-destructive analysis of MRE samples can be efficiently used for a detailed structuralinvestigation. It was found that even small changes in the mass content of the magneticfiller led to the formation of completely different morphologies, which were reproducible forall samples. There were the familiar column formations in patterns with a mass content of ∼ 5% iron powder. Increasingthe mass fraction to ∼ 14% resulted in the formation of tubular structures. Samples with ∼ 23 and ∼ 33 wt% had a densely packed structure, where the particle formations broke up: meanders withoutparticles penetrate the samples over the entire height like canyons.
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