Core-shell structured Fe3O4@SiO2 nanoparticles fabricated by sol–gel method and their magnetorheology

HS Chae, SD Kim, SH Piao, HJ Choi - Colloid and Polymer Science, 2016 - Springer
Using a sol–gel method, silica-coated magnetite (Fe 3 O 4@ SiO 2) core-shell nanoparticles
were fabricated following a two-step process. In the first step, the Fe 3 O 4 nanoparticles …

Core–shell-structured silica-coated magnetic carbonyl iron microbead and its magnetorheology with anti-acidic characteristics

YD Liu, FF Fang, HJ Choi - Colloid and Polymer Science, 2011 - Springer
We synthesized silica-coated soft magnetic carbonyl iron (CI) particles through a modified
Stöber method, in which the CI particles were pretreated with a grafting agent to enhance …

Fabrication of spherical Fe3O4 particles with a solvothermal method and their magnetorheological characteristics

HS Chae, SH Piao, HJ Choi - Journal of Industrial and Engineering …, 2015 - Elsevier
Spherical Fe 3 O 4 particles were synthesized with a solvothermal method and assessed as
a potential magnetorheological (MR) material. Their morphology, chemical structure, crystal …

Polymer coated magnetite-based magnetorheological fluid and its potential clean procedure applications to oil production

E Esmaeilnezhad, HJ Choi, M Schaffie… - Journal of cleaner …, 2018 - Elsevier
As a new method for controlling the performance in oil reservoirs and reducing hazardous
water production, the feasibility of producing a solid-like structure was studied using …

Core/shell polystyrene/magnetite hybrid nanoparticles fabricated by pickering emulsion polymerization and their magnetorheological response

HS Chae, SH Piao, WJ Han… - … Chemistry and Physics, 2018 - Wiley Online Library
Abstract Soft‐magnetic polystyrene (PS)/Fe3O4 core/shell composite nanoparticles are
fabricated by surfactant‐free Pickering emulsion polymerization using Fe3O4 nanoparticles …

[PDF][PDF] Nanofluid based on new generation transformer oil: synthesis and flow properties

K Paulovičová, J Tóthová, M Rajňák, M Timko… - Acta Phys. Pol …, 2020 - przyrbwn.icm.edu.pl
Nowadays we often encounter the term nanomaterials, a wide range of which appears on
the market of various products. The main ingredients are nanoparticles of different origins, in …

Thermorheological and magnetorheological effects on Marangoni-ferroconvection with internal heat generation

S Maruthamanikandan, NM Thomas… - Journal of Physics …, 2018 - iopscience.iop.org
Marangoni convectiveinstability in a ferromagnetic fluid layer in the presence of a spatial
heat sourceand viscosity variation is examined by means of the classical linear stability …

Ultrasonic studies of emulsion stability in the presence of magnetic nanoparticles

A Józefczak, R Wlazło - Advances in Condensed Matter …, 2015 - Wiley Online Library
Pickering emulsions are made of solid particle‐stabilized droplets suspended in an
immiscible continuous liquid phase. A magnetic emulsion can be obtained using magnetic …

Study of low concentrated ionic ferrrofluid stability in magnetic field by ultrasound spectroscopy

A Józefczak - Journal of Magnetism and Magnetic Materials, 2009 - Elsevier
Ultrasound spectroscopy has been used to investigate the effect of magnetic field on particle
(cluster) size distribution in ionic ferrofluid. The method applied is non-destructive, fast and …

The Viscosity and Self-Diffusion of Some Real Colloidal Ferrofluids

LD Ávalos González, M Hernández-Contreras… - Colloids and …, 2022 - mdpi.com
One primary concern in colloid science is understanding the relationship of its macroscopic
rheology and diffusion behavior with the observed microscopic arrangements of the …