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Controlling the coarsening dynamics of ferrogranulate networks by means of the filling fraction : Less is more susceptible

Title data

Lakkis, Ali ; Biersack, Matthias ; Bilous, Oksana ; Kantorovich, Sofia ; Richter, Reinhard:
Controlling the coarsening dynamics of ferrogranulate networks by means of the filling fraction : Less is more susceptible.
In: Journal of Magnetism and Magnetic Materials. Vol. 589 (2024) . - 171620.
ISSN 0304-8853
DOI: https://doi.org/10.1016/j.jmmm.2023.171620

Abstract in another language

We are exploring in experiments the aggregation process in a shaken granular mixture of glass and magnetized steel beads, filled in a horizontal vessel. After the shaking amplitude is suddenly decreased, the magnetized beads form a transient network that coarsens in time into compact clusters. Here we investigate how an increased volume fraction of the granulate accelerates the coarsening, whereas a homogeneous magnetic field oriented in vertical direction impedes the emergence and growth of the networks. We explore the coarsening dynamics in the -control parameter space, and observe that low filling fractions are more susceptible to an increase of than high ones.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Oliver Bäumchen
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 530 Physics
Date Deposited: 19 Dec 2023 09:58
Last Modified: 19 Dec 2023 09:58
URI: https://eref.uni-bayreuth.de/id/eprint/88100