Pressure-viscosity behaviour and film thickness in elastohydrodynamic regime of lubrication of ionic liquids and other base oils

Lubrication Science

Volumn 26, Issue 7-8, 2014, Pages 449-462

  Fernandez, Josefa ^a   Paredes, Xavier ^a   Gacino, Felix M ^a   Comunas, Maria J P ^a   Pensado, Alfonso S ^b  

^a UNIVERSITY OF SANTIAGO DE COMPOSTELA   (Spain)

^b UNIVERSITY OF LEIPZIG   (Germany)

Author keywords

Film thickness; Ionic liquid; Pressure viscosity coefficient; Synthetic base oils; Vegetable base oils

Indexed keywords

CHEMICAL ANALYSIS; FILM THICKNESS; IONIC LIQUIDS; SOYBEAN OIL; VEGETABLES; VISCOSITY INDEX;

BASE OIL; HIGH PRESSURE; IONIC LIQUID (ILS); POLYGLYCOLS; POLYOLESTERS; PRESSURE-VISCOSITY; PRESSURE-VISCOSITY COEFFICIENT; VEGETABLE BASE OIL;

ELASTOHYDRODYNAMIC LUBRICATION;

EID: 84908396497     PISSN: 09540075     EISSN: 15576833     Source Type: Journal    
DOI: 10.1002/ls.1236     Document Type: Article

References (63)

1. Paredes X, Fandiño O, Pensado AS, Comuñas MJP, Fernández J. How pressure affects the dynamic viscosities of two poly (propylene glycol) dimethyl ether lubricants. Journal of Chemical & Engineering Data 2010; 55: 4088-4094.
2. Paredes X, Fandiño O, Pensado AS, Comuñas MJP, Fernández J. Pressure-viscosity coefficients for polyalkylene glycol oils and other ester or ionic lubricants. Tribology Letters 2012; 45: 89-100.
3. Paredes X, Pensado AS, Comuñas MJP, Fernández J. Experimental dynamic viscosities of dipentaerythritol ester lubricants at high pressure. Journal of Chemical & Engineering Data 2010; 55: 3216-3223.
4. Pensado AS, Comuñas MJP, Lugo L, Fernández J. High-pressure characterization of dynamic viscosity and derived properties for squalane and two pentaerythritol ester lubricants: pentaerythritol tetra-2-ethylhexanoate and pentaerythritol tetranonanoate. Industrial and Engineering Chemistry Research 2006; 45: 2394-2404.
5. Pensado AS, ComuñasMJP, Lugo L, Fernández J. Relationship between viscosity coefficients and volumetric properties. Measurements and modeling for pentaerythritol esters. Industrial and Engineering Chemistry Research 2006; 45: 9171-9183.
6. Gaciño FM, Paredes X, Comuñas MJP, Fernández J. Effect of the pressure on the viscosities of ionic liquids: experimental values for 1-ethyl-3-methylimidazolium ethylsulfate and two bis(trifluoromethylsulfonyl)imide salts. The Journal of Chemical Thermodynamics 2012; 54: 302-309.
7. Gaciño FM, Paredes X, Comuñas MJP, Fernández J. Pressure dependence on the viscosities of 1-butyl-2,3- dimethylimidazolium bis(trifluoromethylsulfonyl)imide and two tris(pentafluoroethyl)trifluorophosphate based ionic liquids : new measurements and modelling. The Journal of Chemical Thermodynamics 2013, 62: 162-169.
8. Lawford S, Polyalkylene Glycols. Rudnick L R, Synthetics, Mineral Oils, and Bio-Based Lubricants, CRC & Taylor & Francis, Boca Raton,Fla, USA, 2006, 119-137.
9. Beran E. Structurally modified polyglycols as biodegradable base stocks for synthetic. Journal of Synthetic Lubrication 2003; 20: 3-14.
10. Fandiño O, Lugo L, Comuñas MJP, López ER, Fernández J. Temperature and pressure dependences of volumetric properties of two poly(propylene glycol) dimethyl ether lubricants. The Journal of Chemical Thermodynamics 2010; 42: 84-89.
11. Bock W, Lingg G, Compressor oils. Mang T, Dresel W, Lubricants and Lubrication, Wiley-VCH, Weinheim, New York, 2001, 338-366.
12. nd ed, Marcel Dekker, Inc., 2001, 89-104.
13. Brown M, Fotheringham JD, Hoyes TJ, Mortier RM, Orszulik ST, Randles SJ, Stroud PM, Synthetic base fluids. Mortier R M, Fox M F, Orszulik S T, Chemistry and Technology of Lubricants, Springer Netherlands, 2010, 35-74.
14. Randles SJ, Esters. Rudnick L R, Synthetics, Mineral Oils, and Bio-Based Lubricants, CRC & Taylor & Francis, Boca Raton, Fla, USA, 2006, 47-74.
15. Rudnick LR, Bartz WJ, Comparison of synthetic, mineral oil, and bio-based lubricant fluids. Rudnick L R, Synthetics, Mineral Oils, and Bio-Based Lubricants, CRC & Taylor & Francis, Boca Raton, Fla, USA, 2006, 331-349.
16. Eychenne V, Mouloungui Z. Relationship between structure and lubricating properties of neopentylpolyol esters. Industrial and Engineering Chemistry Research 1998; 37: 4835-4843.
17. Biresaw G, Asadauskas SJ, McClure TG. Polysulfide and biobased extreme pressure additive performance in vegetable vs paraffinic base oils. Industrial and Engineering Chemistry Research 2012; 51: 262-273.
18. Regueira T, Lugo L, Fandiño O, López ER, Fernández J. Compressibilities and viscosities of reference and vegetable oils for their use as hydraulic fluids and lubricants. Green Chemistry 2011; 13: 1293-1302.
19. Rhodes BN, Johnson D, Erhan SZ, Perez JM, Vegetable-based motor oils. Erhan S Z, Perez J M, Biobased Industrial Fluids and Lubricants, AOCS Press, Champaign, Illinois, USA, 2002, 85-109.
20. Rudnick LR, Erhan SZ, Natural oils as lubricants. Rudnick L R, Synthetics, Mineral Oils, and Bio-Based Lubricants, CRC & Taylor & Francis, Boca Raton, Fla, USA, 2006, 353-360.
21. Ye C, LiuW, ChenY,Yu L. Room-temperature ionic liquids: a novel versatile lubricant. Chemical Communications 2001; 2244-2245.
22. Bermúdez M-D, Jiménez A-E, Sanes J, Carrión F-J. Ionic liquids as advanced lubricant fluids. Molecules 2009; 14: 2888-2908.
23. Minami I. Ionic liquids in tribology. Molecules 2009; 14: 2286-2305.
24. Palacio M, Bhushan B. A review of ionic liquids for green molecular lubrication in nanotechnology. Tribology Letters 2010; 40: 247-268.
25. Pensado AS, Comuñas MJP, Fernández J. The pressure-viscosity coefficient of several ionic liquids. Tribology Letters 2008; 31: 107-118.
26. Rensselar JV. Unleashing the potential of ionic liquids. Tribology & Lubrication Technology 2010; 24-31.
27. Zhou F, Liang Y, Liu W. Ionic liquid lubricants: designed chemistry for engineering applications. Chemical Society Reviews 2009; 38: 2590-2599.
28. Somers A, Howlett P, MacFarlane D, Forsyth M. A Review of ionic liquid lubricants. Lubricants 2013; 1: 3-21.
29. Atkin R, Borisenko N, Druschler M. An in situ STM/AFM and impedance spectroscopy study of the extremely pure 1- butyl-1-methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate/Au(111) interface: potential dependent solvation layers and the herringbone reconstruction. Physical Chemistry Chemical Physics 2011; 13: 6849-6857.
30. Endres F, Borisenko N, El Abedin SZ, Hayes R, Atkin R. The interface ionic liquid(s)/electrode(s): in situ STM and AFM measurements. Faraday Discussions 2012; 154: 221-233.
31. Gaciño FM, Regueira T, Lugo L, Comuñas MJP, Fernández J. Influence of molecular structure on densities and viscosities of several ionic liquids. Journal of Chemical & Engineering Data 2011; 56: 4984-4999.
32. Bair S, The shear dependence of viscosity at elevated pressure. Briscoe B J, High-pressure rheology for quantitative elastohydrodynamics, Elsevier Science, Amsterdam, 2007, 160-182.
33. Cloesen C, Kabuya A, Bozet JL. The optical EHD method applied to the study of ageing of biodegradable oils. Journal of Synthetic Lubrication 1998; 15: 3-12.
34. Guangteng G, Spikes HA. The control of friction by molecular fractionation of base fluid mixtures at metal surfaces. Tribology Transactions 1997; 40: 461-469.
35. Jiménez AE, Bermúdez MD. Ionic liquids as lubricants for steel-aluminum contacts at low and elevated temperatures. Tribology Letters 2007; 26: 53-60.
36. Martinez-Boza F, Fernández-Latorre F, Gallegos C. High-pressure viscosity of used motor oil/vacuum residue blends. Fuel 2009; 88: 1595-1601.
37. Reich RA, Stewart PA, Bohaychik J, Urbanski JA. Base oil properties of ionic liquids. Lubrication Engineering 2003; 59: 16-21.
38. Bair S, Liu YC, Wang QJ. The pressure-viscosity coefficient for Newtonian EHL film thickness with general piezoviscous response. Journal of Tribology 2006; 128: 624-631.
39. Kudish II, Kumar P, Khonsari MM, Bair S. Scale effects in generalized Newtonian elastohydrodynamic films. Journal of Tribology 2008; 130: 041504.
40. Kumar P, Bair S, Krupka I, Hartl M. Newtonian quantitative elastohydrodynamic film thickness with linear piezoviscosity. Tribology International 2010; 43: 2159-2165.
41. Larsson R, Kassfeldt E, Byheden A, Norrby T. Base fluid parameters for elastohydrodynamic lubrication and friction calculations and their influence on lubrication capability. Journal of Synthetic Lubrication 2001; 18: 183-198.
42. Gold PW, Schmidt A, Dicke H, Loos J, Assmann C. Viscosity-pressure-temperature behaviour of mineral and synthetic oils. Journal of Synthetic Lubrication 2001; 18: 51-79.
43. Aparicio S, Atilhan M, Karadas F. Thermophysical properties of pure ionic liquids: review of present situation. Industrial and Engineering Chemistry Research 2010; 49: 9580-9595.
44. Arora H, Cann PM. Lubricant film formation properties of alkyl imidazolium tetrafluoroborate and hexafluorophosphate ionic liquids. Tribology International 2010; 43: 1908-1916.
45. Xie G, Luo J, Guo D, Liu S. Nanoconfined ionic liquids under electric fields. Applied Physics Letters 2010; 96: 043112.
46. Xiao H, Guo D, Liu S, Pan G, Lu X. Film thickness of ionic liquids under high contact pressures as a function of alkyl chain length. Tribology Letters 2011; 41: 471-477.
47. Liu Y, J. Wang Q, Wang W, Hu Y, Zhu D, Krupka I, Hartl M. EHL simulation using the free-volume viscosity model. Tribology Letters 2006; 23: 27-37.
48. Mendonça AC, Dörr N, Pádua AA. Predicting thermophysical properties of ionic liquids as a function of temperature and pressure. Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 2012; 226: 965-976.
49. Mendonça ACF, Pádua AAH, Malfreyt P. Nonequilibrium molecular simulations of new ionic lubricants at metallic surfaces: prediction of the friction. Journal of Chemical Theory and Computation 2013; 9: 1600-1610.
50. Mendonça ACF, Malfreyt P, Pádua AAH. Interactions and ordering of ionic liquids at a metal surface. Journal of Chemical Theory and Computation 2012; 8: 3348-3355.
51. Biresaw G, Bantchev G. Pressure viscosity coefficient of vegetable oils. Tribology Letters 2013; 49: 501-512.
52. Fandiño O, Pensado AS, Lugo L, López ER, Fernández J. Volumetric behaviour of the environmentally compatible lubricants pentaerythritol tetraheptanoate and pentaerythritol tetranonanoate at high pressures. Green Chemistry 2005; 7: 775-783.
53. Paredes X, Fandiño O, Comuñas MJP, Pensado AS, Fernández J. Study of the effects of pressure on the viscosity and density of diisodecyl phthalate. The Journal of Chemical Thermodynamics 2009; 41: 1007-1015.
54. Daugé P, Baylaucq A, Marlin L, Boned C. Development of an isobaric transfer viscometer operating up to 140 MPa. application to a methane + decane system. Journal of Chemical & Engineering Data 2001; 46: 823-830.
55. Errichello R. Selecting oils with high pressure-viscosity coefficients increase bearing life by more than four times. Machinery Lubrication 2004; http://www.machinerylubrication.com/articledetail.asp?articleid=586
56. Blok H, Inverse problems in hydrodynamic lubrication and design directives for lubricated flexible surfaces. in: Muster D, Sternlicht B, (Eds.), Proceedings of International Symposium on Lubrication and Wear, Berkeley, Calif., McCutchan Pub. Corp, Houston, Texas, USA, 1963.
57. Pensado AS, Comuñas MJP, Lugo L, Fernández J. Experimental dynamic viscosities of 2,3-dimethylpentane up to 60 MPa and from 303.15 K to 353.15 K using a rolling ball viscometer. Journal of Chemical & Engineering Data 2005; 50: 849-855.
58. Bini R, Bortolini O, Chiappe C, Pieraccini D, Siciliano T. Development of cation/anion "interaction" scales for ionic liquid through ESI-MS measurements. The Journal of Physical Chemistry. B 2007; 111: 598-604.
59. Dyson A, Wilson AR. Film thicknesses in elastohydrodynamic lubrication by silicone fluids. Proceedings of the Institution of Mechanical Engineers, Conference Proceedings 1965; 180: 97-112.
60. Chapkov AD, Bair S, Cann P, Lubrecht AA. Film thickness in point contacts under generalized Newtonian EHL conditions: numerical and experimental analysis. Tribology International 2007; 40: 1474-1478.
61. Harris KR, Woolf LA, Kanakubo M. Temperature and pressure dependence of the viscosity of the ionic liquid 1-buthyl-3- methylimidazolium hexafluorophosphate. Journal of Chemical & Engineering Data 2005; 50: 1777-1782.
62. Harris KR, Kanakubo M, Woolf LA. Temperature and pressure dependence of the viscosity of the ionic liquids 1-hexyl-3- methylimidazolium hexafluorophosphate and 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide. Journal of Chemical & Engineering Data 2007; 52: 1080-1085.
63. Mordukhovich G. , Qu J., Howe J.Y., Bair S., Yu B., Luo H., Smolenski D.J., Blau P.J., Bunting B.G., Dai S.. A low-viscosity ionic liquid demonstrating superior lubricating performance from mixed to boundary lubrication. Wear2013; 301: 740-746.