Magnetorheology in unsteady fields: From uniaxial DC to rotating AC fields

M Terkel, R Wright, J de Vicente - Journal of Rheology, 2023 - pubs.aip.org
Magnetorheological fluids structured under precession fields are thoroughly investigated.
Having complete dynamic triaxial magnetic field control, we are able to study both the …

Dynamics of the Field-Induced Formation of Hexagonal Zipped-Chain Superstructures<? format?> in Magnetic Colloids

D Heinrich, AR Goni, A Smessaert, SHL Klapp… - Physical Review Letters, 2011 - APS
Combining nuclear magnetic resonance and molecular dynamics simulations, we unravel
the long-time dynamics of a paradigmatic colloid with strong dipole-dipole interactions. In a …

Magnetorheology of exotic magnetic mesostructures generated under triaxial unsteady magnetic fields

M Terkel, J De Vicente - Smart Materials and Structures, 2020 - iopscience.iop.org
Traditionally, the rheological properties of magnetorheological (MR) fluids are investigated
under uniaxial steady (DC) fields. These basic fields promote the aggregation of …

Effects of magnetic field gradients on the aggregation dynamics of colloidal magnetic nanoparticles

D Heinrich, AR Goñi, TM Osán, LMC Cerioni… - Soft Matter, 2015 - pubs.rsc.org
We have used low-field 1H nuclear-magnetic resonance (NMR) spectroscopy and molecular
dynamics (MD) to investigate the aggregation dynamics of magnetic particles in ionic …

Enhancing magnetorheology with precession magnetic fields

M Terkel, J Tajuelo, J de Vicente - Journal of Rheology, 2022 - pubs.aip.org
We demonstrate a new route to enhance magnetorheology using precession-like magnetic
fields. This field configuration is generated by the superposition of a 2D rotational field …

Magnetorheological fluid based on submicrometric silica-coated magnetite particles under an oscillatory magnetic field

R Agustín-Serrano, F Donado… - Journal of magnetism and …, 2013 - Elsevier
An experimental study conducted on the rheological properties of a magnetorheological
fluid based on submicrometric silica-coated magnetite particles dispersed in silicone oil is …

Dynamical and structural properties of a granular model for a magnetorheological fluid

F Donado, JM Sausedo-Solorio, RE Moctezuma - Physical Review E, 2017 - APS
We study a two-dimensional nonvibrating granular system as a model of a
magnetorheological fluid. The system is composed of magnetic steel particles on a …

Lateral aggregation induced by magnetic perturbations in a magnetorheological fluid based on non-Brownian particles

RE Moctezuma, F Donado, JL Arauz-Lara - Physical Review E—Statistical …, 2013 - APS
A study of lateral aggregation, induced by an oscillatory field, in a magnetorheological fluid
based on non-Brownian magnetic particles is presented. We investigate the behavior of …

Deterministic aggregation kinetics of superparamagnetic colloidal particles

CP Reynolds, KE Klop, FA Lavergne… - The Journal of …, 2015 - pubs.aip.org
We study the irreversible aggregation kinetics of superparamagnetic colloidal particles in
two dimensions in the presence of an in-plane magnetic field at low packing fractions …

Dynamical pattern formation in a low-concentration magnetorheological fluid under two orthogonal sinusoidal fields

LD Yépez, JL Carrillo, F Donado… - Journal of Magnetism …, 2016 - Elsevier
The dynamical pattern formation of clusters of magnetic particles in a low-concentration
magnetorheological fluid, under the influence of a superposition of two perpendicular …