Publication detail

Effect of octahedral typed iron oxide particles on magnetorheological behavior of carbonyl iron dispersion

KWON, S. H. JUNG, H. S. CHOI, H. J. ROUPEC, J. STRECKER, Z.

Original Title

Effect of octahedral typed iron oxide particles on magnetorheological behavior of carbonyl iron dispersion

Type

journal article in Web of Science

Language

English

Original Abstract

To enhance suspension stability and magnetorheological (MR) effect of carbonyl iron (CI)-based MR fluids, octahedral-shaped magnetite particles were synthesized by a hydrothermal method in an autoclave and then adopted as an additive for soft-magnetic CI-based MR suspensions. Two different MR suspensions comprised of the same CI particles with a 70% weight fraction were prepared; one contained an additional 1 wt% octahedral magnetite according to the carrier fluid weight. The MR characteristics of the two MR suspensions with and without the octahedral-typed magnetite nanoparticles were tested using a rotation-typed rheometer attached with a magnetic field strength generator. The sedimentation profile of the MR suspension with and without the additive was also analyzed. The shear viscosity, shear stress, yield stress, and storage modulus from rheological tests were enhanced by the magnetic additive.

Keywords

Magnetorheological; Carbonyl iron; Octahedral; Magnetite; Additive

Authors

KWON, S. H.; JUNG, H. S.; CHOI, H. J.; ROUPEC, J.; STRECKER, Z.

Released

20. 10. 2018

Publisher

ELSEVIER SCIENCE BV

Location

AMSTERDAM, NETHERLANDS

ISBN

0927-7757

Periodical

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year of study

555

Number

1

State

Kingdom of the Netherlands

Pages from

685

Pages to

690

Pages count

6

URL

https://www-sciencedirect-com.ezproxy.lib.vutbr.cz/science/article/pii/S0927775718306691

BibTex

@article{BUT155501,
  author="KWON, S. H. and JUNG, H. S. and CHOI, H. J. and ROUPEC, J. and STRECKER, Z.",
  title="Effect of octahedral typed iron oxide particles on magnetorheological behavior of carbonyl iron dispersion",
  journal="Colloids and Surfaces A: Physicochemical and Engineering Aspects",
  year="2018",
  volume="555",
  number="1",
  pages="685--690",
  doi="10.1016/j.colsurfa.2018.07.060",
  issn="0927-7757",
  url="https://www-sciencedirect-com.ezproxy.lib.vutbr.cz/science/article/pii/S0927775718306691"
}