Quasi-Static Rheological Properties of Lithium-Based Magnetorheological Grease under Large Deformation.

Wang, H; Zhang, G; Wang, J

Quasi-Static Rheological Properties of Lithium-Based Magnetorheological Grease under Large Deformation.

Wang, H Zhang, G Wang, J

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Publisher:: MDPI AG
Publication Type:: Journal Article
Citation:: Materials (Basel, Switzerland), 2019, 12, (15), pp. 2431-2431
Issue Date:: 2019-07-30

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Field	Value	Language
dc.contributor.author	Wang, H
dc.contributor.author	Zhang, G
dc.contributor.author	Wang, J
dc.date.accessioned	2020-06-01T02:42:38Z
dc.date.available	2019-07-29
dc.date.available	2020-06-01T02:42:38Z
dc.date.issued	2019-07-30
dc.identifier.citation	Materials (Basel, Switzerland), 2019, 12, (15), pp. 2431-2431
dc.identifier.issn	1996-1944
dc.identifier.issn	1996-1944
dc.identifier.uri	http://hdl.handle.net/10453/141022
dc.description.abstract	This paper investigates the quasi-static rheological properties of lithium-based magnetorheological (MR) grease under large deformation. Three types of lithium-based MR grease comprising different mass ratios of carbonyl iron (CI) particles and lithium-based grease were prepared. The dependence of the magneto-induced stress-strain curves for MR grease on CI particles content, shear rate, and shear deformation under quasi-static monotonic shear conditions were tested and discussed. The results demonstrate that the shear rate dependence of the maximum yield stress is significantly weakened by the magnetic field, and this weakening is further enhanced as the CI particles content of MR grease increases. In addition, to evaluate and characterize the behavior of the cyclic shear-stress curves of MR grease under quasi-static condition, cyclic shear tests under different controlled conditions, i.e., CI particles content, shear rate, shear strain amplitude, and magnetic field strength, were conduct and analyzed. The magneto-induced shear stress of MR grease with higher CI particles content shows a sharp decrease during the transition from loading to unloading. Moreover, the experiment results also show that the damping characteristics of MR grease are highly correlated with CI particles content, shear strain, and magnetic field strength.
dc.format	Electronic
dc.language	eng
dc.publisher	MDPI AG
dc.relation.ispartof	Materials (Basel, Switzerland)
dc.relation.isbasedon	10.3390/ma12152431
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	03 Chemical Sciences, 09 Engineering
dc.title	Quasi-Static Rheological Properties of Lithium-Based Magnetorheological Grease under Large Deformation.
dc.type	Journal Article
utslib.citation.volume	12
utslib.location.activity	Switzerland
utslib.for	03 Chemical Sciences
utslib.for	09 Engineering
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney
utslib.copyright.status	open_access	*
dc.date.updated	2020-06-01T02:42:32Z
pubs.issue	15
pubs.publication-status	Published
pubs.volume	12
utslib.start-page	2431
utslib.citation.issue	15

Abstract:

This paper investigates the quasi-static rheological properties of lithium-based magnetorheological (MR) grease under large deformation. Three types of lithium-based MR grease comprising different mass ratios of carbonyl iron (CI) particles and lithium-based grease were prepared. The dependence of the magneto-induced stress-strain curves for MR grease on CI particles content, shear rate, and shear deformation under quasi-static monotonic shear conditions were tested and discussed. The results demonstrate that the shear rate dependence of the maximum yield stress is significantly weakened by the magnetic field, and this weakening is further enhanced as the CI particles content of MR grease increases. In addition, to evaluate and characterize the behavior of the cyclic shear-stress curves of MR grease under quasi-static condition, cyclic shear tests under different controlled conditions, i.e., CI particles content, shear rate, shear strain amplitude, and magnetic field strength, were conduct and analyzed. The magneto-induced shear stress of MR grease with higher CI particles content shows a sharp decrease during the transition from loading to unloading. Moreover, the experiment results also show that the damping characteristics of MR grease are highly correlated with CI particles content, shear strain, and magnetic field strength.

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http://hdl.handle.net/10453/141022