Influence Of Nano Grease Composite On Rheological Behaviour

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dc.AffiliationOctober University for modern sciences and Arts (MSA)
dc.contributor.authorMohamed, Alaa
dc.contributor.authorKhattab, A.
dc.contributor.authorOsman, T.A.
dc.contributor.authorZaki, M.
dc.date.accessioned2020-02-05T10:55:30Z
dc.date.available2020-02-05T10:55:30Z
dc.date.issued2013
dc.descriptionMSA Google Scholaren_US
dc.description.abstractThe aim of this work is to study the rheological behaviors of carbon nanotubes (CNTs) as an additive on lithium grease at different concentrations. The results indicated that the optimum concentrations of the CNTs was 2 %. These experimental investigations were evaluated with a HAAKE Rheovisco RV20, Penetrometer and Measurement of the dropping point. The results indicated that the shear stress and apparent viscosity increase with the increase of CNTs concentration, penetration and consistency not effect of base grease, and the dropping point increasing about 25%. The microstructure of CNTs and lithium grease was examined by high resolution transmission electron microscope (HRTEM) and transmission electron microscope (TEM).en_US
dc.description.urihttps://www.scimagojr.com/journalsearch.php?q=21100199112&tip=sid&clean=0
dc.identifier.citation[1] Chinas-Castillo, F. and Spikes, H.A. "The behaviour of colloidal solid particles in elastohydrodynamic contacts". Tribol. Trans. 43 (3) (2000), p 387–394. [2] Radulescu, A.V. and Radulescu, I. "Rheological models for lithium and calcium greases". ISSN 1392 - 1207. MECHANIKA. 2006. Nr.3 (59). [3] krista siik, and jyrki vuorinen. "The Influence of Shear Thinning Behavior on Lubricating Grease Consistency and Its Effect on Oil Separation". Annual transactions of the nordic rheology society, vol. 13, 2005. [4] Davies, G.A. and Stokes, J.R., "Thin film and high shear rheology of multiphase complex fluids," J. Non-Newtonian Fluid Mech., 148, 2008, p 73-87. [5] Papanastasiou, C. "Flows of materials with yield". Journal of Rheology, v.31, 1987, p.385-404. [6] Dorier, C. et al. "Behavior of a Binghamlike viscous fluid in lubrication flows". Journal of Non Newtonian Fluid Mechanics, Nr.45, 1992, p.291-311. [7] Shuff, P.J. et al. "The structure of grease via electron microscopy and image analysis". Lubricant Science, oct. v.4, Nr.1, 1991, p.35-51. [8] Meng and Zheng Jie. "A rheological model for lithium lubricating grease". Tribology International Vol. 31, No. 10, 1998, pp. 619–625. [9] A. Magnin, J.M. Piau. "Cone-and-plate rheometry of yield stress fluids. Study of an aqueous gel". J Non-Newt Fluid Mech, 1990, 36, 85–108. [10] Mas, R. and Magnin, A., "Thixotropic colloidal suspensions and flow curves with minimum: Identification of flow regimes and rheometric consequences".J Rheol, 1994, 38(4), 889–908. [11] Hutton, J. F. and Bramhall, A. D., "Experimental study of grease flow in pipelines: wall slip and air". Br J Appl Phys, 1960, 11, 363–371. [12] Jiang, T., "Gel Characteristics of UreaFormaldehyde Resin under Shear Flow Conditions". Industrial Rheology. Beijing: Chemical Industry Press. [13] ASTM D217 - 10 Standard Test Methods for Cone Penetration of Lubricating Grease [14] ASTM D566 - 02(2009) Standard Test Method for Dropping Point of Lubricating Greaseen_US
dc.identifier.issn2248-9622
dc.identifier.urihttps://t.ly/nwgeB
dc.language.isoenen_US
dc.publisherJournal of Engineering Research and Applicationsen_US
dc.relation.ispartofseriesJournal of Engineering Research and Applications;Vol. 3, Issue 6, Nov-Dec 2013, pp.1126-1131
dc.subjectCarbon nanotubesen_US
dc.subjectRheological behavioren_US
dc.subjectLithium greaseen_US
dc.subjectMicrostructure.en_US
dc.titleInfluence Of Nano Grease Composite On Rheological Behaviouren_US
dc.typeArticleen_US

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