Boundary film formation by viscosity index improvers

Tribology Transactions

Volumn 39, Issue 3, 1996, Pages 726-734

  Smeeth, Matthew ^a   Spikes, Hugh ^a   Gunsel, Selda ^b  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

^b Pennzoil Products Company   (United States)

Author keywords

Boundary lubrication; Lubricant rheology; Viscosity

Indexed keywords

ADSORPTION; CONTACTS (FLUID MECHANICS); EXPERIMENTS; INTERFEROMETRY; LUBRICANTS; MINERAL OILS; POLYMERS; RHEOLOGY; SOLIDS; SOLUTIONS; SURFACES; THERMAL EFFECTS; VISCOSITY;

ADDITIVE FREE BASE OIL; BOUNDARY FILM FORMATION; BOUNDARY LUBRICATION; LUBRICANT ADDITIVE; LUBRICATING FILM; MOTOR OIL; OPTICAL INTERFEROMETRY; POLYMER SOLUTION; ROLLING CONTACT; ULTRATHIN FILM INTERFEROMETRY; VISCOSITY INDEX IMPROVERS;

LUBRICATING OILS; LUBRICATION;

FILMS; LUBRICATION-BOUNDARY; VISCOSITY;

EID: 0030184140     PISSN: 10402004     EISSN: 1547397X     Source Type: Journal    
DOI: 10.1080/10402009608983590     Document Type: Article

References (27)

1. Briant, J., Denis, J. and Pare, G., theological Properties of Lubricants, Inst. Franc, du Petrolc, Editions Techip, Paris, (1989).
2. "The Relationship Between High-Temperature Oil Rheology and Engine Operation-A Status Report," ASTM Data Series DS 62, ASTM, Philadelphia, (1984).
3. McMillan, M. L. and Murphy, C. K. "Temporary Visco.sitv Loss and its Relationship to Journal Bearing Performance," SAE Paper No. 780374, (1978).
4. Spikes, H. A., Cann, P. M., Coy, R. C. and Wardle, R.W.M., "An 'In I.ubro- Study of VI Improvers in EHD Contacts.'' Liibr. Sri., 3, pp 15-62, (1990).
5. Sorab, J., Holdertnan, H. A. and Chiu, G. K., "Viscosiiy Prediction lor Multigrade Oils," SAE Paper No. 932833, (1993).
6. Bell, J. C. and Voisey, M. A., "Some Relationships Between the Viscometric Properties of Motor Oil and Performance in European Engines." SAE Paper No. 770378, (1977).
7. Spearot, J. A., Murphy, C. K. and Rosenberg, R. C., "Measuring the Effect of Oil Viscosity on Oil Film Thickness in Engine Journal Bearings," SAE Paper No. 860376, (1986).
8. Goldblatt, I. J., "The Use of Simulant Devices to Evaluate the Wear Performance of Multigrade Engine Oils," SAE Paper No. 770376, (1977).
9. Okrent, E. H., "The Effect of Lubricant Viscosiiy and Composition on Engine Friction and Bearing Wear," ASIIC Trans., 4, pp 97-198, (1961).
10. Neudorfl, P., "The Effect of Polymers in Multigrade Lubricating Oils on Engine Wear," SAE Paper No. 760269, (1976).
11. Hutton, J. F., Jackson, K. P. and Williamson, B. P., "The Effect of Lubricant Rheology on the Performance of Journal Bearings," ASIJC Trans., 29, pp 52-60, (1986).
12. Bates, J. W., Williamson, B. P., Spearot, J. F. and Murphy, C. K., "The Importance of Oil Elasticity," Ind. Lubr. and Trib., 40, pp 4-19, (1988).
13. Briant, J., Denis, J. and Parc, G., Kheological Propeilies of Lubricants, Inst. Franc, du Petiole, Editions Techip, Paris, (1989).
14. Palacios, J. M. and Bajon, M. L., "Effective Viscosity of Oils Containing VI Improver and its Relation to Wear," Trib. Intl., 16, pp 27-31, (1983).
15. Cohen-Stuart, M., Waajen, F. H. W. H., Cosgrove, T., Vincent, B. and Crowley, T. L., "Hydrodynamic Thickness of Adsorbed Polymer Layers," Micromolecules, 17, pp 1825-1830, (1984).
16. Takahashi, A., Kawagushi, M. and Kato, T., Adhesion and Adsoiption of Polymers, Plenum Press, New York, (1980).
17. Israelachvili, J. N., "Measurements and Relation Between the Dynamic and Static Interactions Between Surfaces Separated by Thin Liquid and Polymer Films," Pure Appi Chem., 60, pp 1473-1478, (1988).
18. Georges, J. M., Millot, S., Loubet, J. L. and Tonck, A., "Drainage of Thin Liquid Films Between Relatively Smooth Surfaces," Jour. Chem. Phys., 98, pp 7345-7360, (1993).
19. Canu, P. M. and Spikes, H. A., "The Behavior of Polymer Solutions in Concentrated Contacts: Immobile Surface Layer Formation," Trib. Trans., 37, pp 580-586, (1994).
20. Smeeth, M., Gunsel, S. and Spikes, H. A., "The Formation of Viscous Surface Films by Polymer Solutions: Boundary or Elastohvdrodynamic Lubrication," Trib. Trans.,39, (1906).
21. Johnston, O. J., Wayte, R. and Spikes, H. A., "The Measurement and Study of Very Thin Lubricant Films in Concentrated Contacts," Trib. Trans.. 34, pp 187-194, (1991).
22. Liamrock, B. T. and Dowson, D., Hall Hearing Lubrication: the FJastohydro-dynamics of Elliptical Contacts, John Wilev & Sons, New York, (1981).
23. Wedeven, L. D., Evans, D. and Cameron, A., "Optical Analysis of Ball Bearing Starvation," Trans. ASMII, 93, pp 349-361, (1971).
24. Bowden, F. P. and Tabor, D., The Friction and Lubrication of Solids. Part I, Clarendon Press, Oxford, (1971).
25. Yoshida, K. "The Influence of Polymer Additives on Valve Train Wear," Trib. Trans., 33, pp 627-633, (1990).
26. Sharma, S. K., Forster, N. H. and Gcschewcnder, L. J., "Effect of Viscosity Index Improvers on the Elastohydrodynainic Lubricating Characteristic of a Chlorotrilluoroethylenc and a Polyalphaolefin Fluid," Trib. Trans., 36, pp 555-564, (1993).
27. Guichaoua, J. I., Influence of the Nature of the Lubricant on the Friction Losses in Engines, Inst. France du Peuole, Editions Techip. Paris, (1989).