Relating magnetization, structure and rheology in ferrofluids with multi-core magnetic nanoparticles

6533b862fe1ef96bd12c614b

RESEARCH PRODUCT

Relating magnetization, structure and rheology in ferrofluids with multi-core magnetic nanoparticles

Slavko Kralj Mikhail Maiorov Dmitry Zablotsky Guntars Kitenbergs

subject

Ferrofluid Materials science 010304 chemical physics Condensed matter physics Magnetic moment Applied Mathematics Mechanical Engineering General Chemical Engineering Structure (category theory)Condensed Matter Physics 01 natural sciences 010305 fluids & plasmas Magnetization Dipole Rheology 0103 physical sciences Magnetic nanoparticles General Materials Science Scaling

description

Abstract Due to their magnetic moments solubilized magnetic nanoparticles are able to spontaneously assemble into dipolar mesostructures, which affect the flow behavior. Multi-core magnetic nanoparticles developed for biomedical applications have enhanced magnetic properties and show significant magnetoviscous effect, but the quantitative interpretation of this phenomenon is incomplete. We apply rheological measurements, magnetic granulometry and dimensional scaling to show the existence of a master curve for magnetorheology of these materials. Using the developed approach the magnetoviscous effect can now be interpreted in a unified way within the stochastic chain model.

year	journal	country	edition	language
2020-04-01	Journal of Non-Newtonian Fluid Mechanics

https://doi.org/10.1016/j.jnnfm.2020.104248

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