Experimental evidence of micro-EHL lubrication in rough soft contacts

Tribology Letters

Volumn 43, Issue 2, 2011, Pages 169-174

  Scaraggi, Michele ^a,b   Carbone, Giuseppe ^a   Dini, Daniele ^b  

^a POLITECNICO DI BARI   (Italy)

^b IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

Lubrication; micro EHL; Mixed lubrication; Roughness; Soft contact

Indexed keywords

ASPERITY-ASPERITY INTERACTION; BALL ON FLATS; BOUNDARY LUBRICATIONS; CONTACT INTERFACE; DIRECT CONTACT; EXPERIMENTAL EVIDENCE; EXPERIMENTAL INVESTIGATIONS; FRICTION COEFFICIENTS; HYDRODYNAMIC REGIME; MICRO-EHL; MIXED LUBRICATION; NORMAL LOADS; SLIDING SPEED; SOFT CONTACT; SOFT CONTACTS; SOFT-SOLID; SOLID SURFACE; STEEL BALLS; STRIBECK CURVE; TEST CONFIGURATIONS; THIN FLUIDS;

ANISOTROPY; FRICTION; SURFACE ROUGHNESS;

LUBRICATION;

EID: 79960559538     PISSN: 10238883     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11249-011-9794-6     Document Type: Article

References (25)

1. D. Dowson 1995 Elastohydrodynamic and micro-elastohydrodynamic lubrication Wear 190 125 138 10.1016/0043-1648(95)06660-8 1:CAS:528: DyaK28XhtlWntA%3D%3D
2. Persson, B.N.J.: Sliding Friction: Physical Principles and Applications. 2nd edn. Springer (2000)
3. Dowson, D.: Elastohydrodynamic lubrication in 'soft-on-soft' natural synovial joints; 'hard-on-soft' cushion and 'hard-on-hard' metal-on-metal total joint replacements. In: Snidle, R.W.; Evans, H.P. (eds.), IUTAM Symposium on Elastohydrodynamics and Micro-elastohydrodynamics, pp. 297-308. Springer (2006)
4. Scaraggi, M: Contact and friction modeling of rough surfaces in dry and lubricated contacts, PhD thesis, Politecnico di Bari (2010)
5. J. de Vicente J.R. Stokes H.A. Spikes 2005 The frictional properties of Newtonian fluids in rolling-sliding soft-EHL contact Tribol. Lett. 20 3-4 273 286 10.1007/s11249-005-9067-3 (Pubitemid 43124280)
6. J. de Vicente J.R. Stokes H.A. Spikes 2006 Soft lubrication of model hydrocolloids Food Hydrocoll. 20 483 491 10.1016/j.foodhyd.2005.04.005 (Pubitemid 43213131)
7. J.H.H. Bongaerts K. Fourtouni J.R. Stokes 2007 Soft-tribology: lubrication in a compliant PDMS-PDMS contact Tribol. Int. 40 1531 1542 10.1016/j.triboint.2007.01.007 1:CAS:528:DC%2BD2sXhtVSjsr7N (Pubitemid 47313555)
8. C. Myant H.A. Spikes J.R. Stokes 2010 Influence of load and elastic properties on the rolling and sliding friction of lubricated compliant contacts Tribol. Int. 43 55 63 10.1016/j.triboint.2009.04.034 1:CAS:528: DC%2BD1MXht12ms73O
9. F. Shi R.F. Salant 2000 A mixed soft elastohydrodynamic lubrication model with interasperity cavitation and surface shear deformation J. Tribol. 122 308 316 10.1115/1.555358 (Pubitemid 30247582)
10. B. Lorenz B.N.J. Persson 2009 Leak rate of seals: comparison of theory with experiment EPL 86 44006 10.1209/0295-5075/86/44006
11. B.N.J. Persson 2001 Theory of rubber friction and contact mechanics J. Chem. Phys. 115 8 3840 3861 10.1063/1.1388626 1:CAS:528:DC%2BD3MXlvVehtrY%3D (Pubitemid 32795699)
12. H. Gao X. Wang H. Yao S. Gorb E. Arzt 2005 Mechanics of hierarchical adhesion structures of geckos Mech. Mater. 37 2-3 275 285 10.1016/j.mechmat. 2004.03.008
13. H. Zhang D.J. Guo Z.D. Dai 2010 Progress on gecko-inspired micro/nano-adhesion arrays Chin. Sci. Bull. 55 18 1843 1850 10.1007/s11434-010- 3065-z
14. Carbone, G.; Pierro, E.; Gorb, S.: Origin of the superior adhesive performance of mushroom shaped microstructured surfaces. Soft Matter. (2011). doi: 10.1039/C0SM01482F
15. M. Scaraggi G. Carbone 2010 Transition from elastohydrodynamic to mixed lubrication in highly loaded squeeze contacts J. Mech. Phys. Solids 58 9 1361 1373 10.1016/j.jmps.2010.05.009 1:CAS:528:DC%2BC3cXhtVKlt7fL
16. B.N.J. Persson M. Scaraggi 2009 On the transition from boundary lubrication to hydrodynamic lubrication in soft contacts J. Phys. 21 18 185002
17. B.N.J. Persson 2010 Fluid dynamics at the interface between contacting elastic solids with randomly rough surfaces J. Phys. 22 26 265004 1:STN:280:DC%2BC3M3ltFWrtA%3D%3D
18. Scaraggi, M.; Carbone, G.; Persson, B. N. J.; Dini, D.: Mixed lubrication in soft contacts: a novel homogenized approach. Part I-Theory. Submitted (2011)
19. Scaraggi, M.; Carbone, G.; Dini, D.: Mixed lubrication in soft contacts: a novel homogenized approach. Part II-Discussion. Submitted (2011)
20. C.J. Hooke 1998 Surface roughness modification in elastohydrodynamic line contacts operating in the elastic piezoviscous regime Proc. Inst. Mech. Eng. J 212 J2 145 162 10.1243/1350650981541967
21. C.J. Hooke C.H. Venner 2000 Surface roughness attenuation in line and point contacts Proc. Inst. Mech. Eng. J 214 J5 439 444 10.1243/1350650001543313 (Pubitemid 32007120)
22. C.J. Hooke K.Y. Li 2006 Rapid calculation of the pressures and clearances in rough, elastohydrodynamically lubricated contacts under pure rolling. Part 1 low amplitude, sinusoidal roughness Proc. Inst. Mech. Eng. C 220 6 901 913 10.1243/09544062C03405 (Pubitemid 44323342)
23. C.J. Hooke K.Y. Li 2006 Rapid calculation of the pressures and clearances in rough, elastohydrodynamically lubricated contacts under pure rolling. Part 2: general roughness Proc. Inst. Mech. Eng. C 220 6 915 925 10.1243/ 09544062C03505 (Pubitemid 44323343)
24. C.J. Hooke 1998 Engineering analysis of rough elastohydrodynamically lubricated contacts Proc. Inst. Mech. Eng. J 223 J3 517 528
25. P. Dontula C.W. Macosko L.E. Scriven 1999 Does the viscosity of glycerin fall at high shear rates? Ind. Eng. Chem. Res. 3 1729 1735 10.1021/ie9805685 (Pubitemid 29189592)