<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>In this paper, a review is made of the knowledge about magnetorheological fluids which are part of the class of intelligent materials. These are the fluids that do not comply with Newton’s law, their energization being realized through an external magnetic field. Essentially, magnetorheological fluid is a synthetic solution based on hydrocarbons, populated with soft magnetic particles (easy to magnetize and demagnetize). Shock absorbers that use magnetic fluids are found in the automotive industry for vibration pick-up. The shock absorber with elastic element and magnetorheological fluid presents the following advantages: the possibility of electric control of the stroke and the speed of response of the piston-cylinder system, by a contactless method; it has a simple and reliable construction; the proposed shock absorber is a watertight construction; no internal sealing elements compatible with the magnetorheological fluid are required; the shock absorber does not have components with relative movement at the level of the control element, reducing frictional forces.</p>
</abstract>

In this paper, a review is made of the knowledge about magnetorheological fluids which are part of the class of intelligent materials. These are the fluids that do not comply with Newton’s law, their energization being realized through an external magnetic field. Essentially, magnetorheological fluid is a synthetic solution based on hydrocarbons, populated with soft magnetic particles (easy to magnetize and demagnetize). Shock absorbers that use magnetic fluids are found in the automotive industry for vibration pick-up. The shock absorber with elastic element and magnetorheological fluid presents the following advantages: the possibility of electric control of the stroke and the speed of response of the piston-cylinder system, by a contactless method; it has a simple and reliable construction; the proposed shock absorber is a watertight construction; no internal sealing elements compatible with the magnetorheological fluid are required; the shock absorber does not have components with relative movement at the level of the control element, reducing frictional forces.

Aspects Concerning the Use of Magnetoreological Fluids in Construction of Shock Absorbers

“Gheorghe Asachi” Technical University of Iaşi

Bulletin of the Polytechnic Institute of Iași. Machine constructions Section

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

In this paper, a review is made of the knowledge about magnetorheological fluids which are part of the class of intelligent materials. These are the fluids...

Aspects Concerning the Use of Magnetoreological Fluids in Construction of Shock Absorbers

Publicado en línea: 23 feb 2022

Páginas: 17 - 30

Recibido: 29 mar 2021

Aceptado: 28 may 2021

DOI: https://doi.org/10.2478/bipcm-2021-0009

Palabras clave
intelligent fluids, magnetorheological shock absorbers, elastic element shock absorbers, piston-cylinder shock absorbers, non-Newtonian fluids

© 2021 Corneliu-Daniel Ghiorghe et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Aspects Concerning the Use of Magnetoreological Fluids in Construction of Shock Absorbers

Publicado en línea: 23 feb 2022

Páginas: 17 - 30

Recibido: 29 mar 2021

Aceptado: 28 may 2021

DOI: https://doi.org/10.2478/bipcm-2021-0009

Palabras claveintelligent fluids, magnetorheological shock absorbers, elastic element shock absorbers, piston-cylinder shock absorbers, non-Newtonian fluids

© 2021 Corneliu-Daniel Ghiorghe et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Palabras clave
intelligent fluids, magnetorheological shock absorbers, elastic element shock absorbers, piston-cylinder shock absorbers, non-Newtonian fluids