This contribution deals with the theoretical and experimental investigation of the giant MR-effect. The giant MR-effect can be utilized to increase the yield stress of magnetorheological fluids (MRF). To obtain a boost of the yield stress the MRF has to be normally compressed while it is exposed to a magnetic field in order to create stronger particle structures. For the experimental investigation a MRF test actuator with an conical shear gap is designed, enabling an adjustment of the shear gap’s height by applying a compressing normal force. The experimental investigation points out that a potentially increase of the yield stress can be achieved on the one hand. On the other hand it is dependent on the magnetic field strength during the compression as well as on the shear rate and shear strain. The results are used to motivate a modeling approach which combines the rheological behavior with tribological effects. The validation of the modeling approach shows a good accordance to the behavior of the physical investigated giant MR-effect.
Skip Nav Destination
ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 8–10, 2014
Newport, Rhode Island, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4614-8
PROCEEDINGS PAPER
Experimental and Theoretical Investigation of the Giant MR-Effect
Christian Hegger,
Christian Hegger
Ostwestfalen-Lippe University of Applied Sciences, Lemgo, Germany
Search for other works by this author on:
Jürgen Maas
Jürgen Maas
Ostwestfalen-Lippe University of Applied Sciences, Lemgo, Germany
Search for other works by this author on:
Christian Hegger
Ostwestfalen-Lippe University of Applied Sciences, Lemgo, Germany
Jürgen Maas
Ostwestfalen-Lippe University of Applied Sciences, Lemgo, Germany
Paper No:
SMASIS2014-7691, V001T03A037; 9 pages
Published Online:
December 8, 2014
Citation
Hegger, C, & Maas, J. "Experimental and Theoretical Investigation of the Giant MR-Effect." Proceedings of the ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation. Newport, Rhode Island, USA. September 8–10, 2014. V001T03A037. ASME. https://doi.org/10.1115/SMASIS2014-7691
Download citation file:
10
Views
Related Proceedings Papers
Related Articles
A Unified Approach for Flow Analysis of Magnetorheological Fluids
J. Appl. Mech (July,2011)
The Wall Effect in the Flow of Commercial Lubricating Greases
J. Tribol (July,2016)
Rheological and Biophysical Properties of Living Fluids Under Shear: Active Suspensions of Synechocystis sp. CPCC 534
J. Fluids Eng (February,2022)
Related Chapters
Structure of Magnetic Actuator
Magnetic Bearings for Mechanical Cardiac Assist Devices
Kinetic Theory
Collective Phenomena in Plasmas and Elsewhere: Kinetic and Hydrodynamic Approaches
Is Modeling in Tribology a Useful Activity?
Tribological Modeling for Mechanical Designers