This study aims to investigate the influence of temperature on the linear and nonlinear rheological behavior of a MR fluid, MRF 132DG, using a rotational rheometer. The experiments were designed to obtain properties of the fluid under oscillatory shear strain in the amplitude and frequency sweep modes, while maintaining different constant temperatures (−5, 0, 20 and 50 °C). The data were used to evaluate the storage and loss moduli under different levels of magnetic flux density considering the linear as well as nonlinear viscoelastic regions. The critical strain amplitudes were further obtained. Results showed enhanced linear viscoelastic region with increasing magnetic field density. Moreover, the effects of temperature and magnetic field on the frequency dependency of the fluid properties are illustrated for small and large amplitudes of shear strains.
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ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 10–12, 2018
San Antonio, Texas, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5194-4
PROCEEDINGS PAPER
Linear and Nonlinear Viscoelastic Behavior of MR Fluids: Effect of Temperature
Masoud Hemmatian,
Masoud Hemmatian
Concordia University, Montreal, QC, Canada
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Ramin Sedaghati,
Ramin Sedaghati
Concordia University, Montreal, QC, Canada
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Subhash Rakheja
Subhash Rakheja
Concordia University, Montreal, QC, Canada
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Masoud Hemmatian
Concordia University, Montreal, QC, Canada
Ramin Sedaghati
Concordia University, Montreal, QC, Canada
Subhash Rakheja
Concordia University, Montreal, QC, Canada
Paper No:
SMASIS2018-8033, V001T01A011; 5 pages
Published Online:
November 14, 2018
Citation
Hemmatian, M, Sedaghati, R, & Rakheja, S. "Linear and Nonlinear Viscoelastic Behavior of MR Fluids: Effect of Temperature." Proceedings of the ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation, and Control of Adaptive Systems; Integrated System Design and Implementation. San Antonio, Texas, USA. September 10–12, 2018. V001T01A011. ASME. https://doi.org/10.1115/SMASIS2018-8033
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