Mechanical degradation of the liquid in an operating EHL contact

Tribology Letters

Volumn 41, Issue 1, 2011, Pages 191-197

  Krupka, Ivan ^a   Bair, Scott ^c   Kumar, Punit ^b   Svoboda, Petr ^a   Hartl, Martin ^a  

^a BRNO UNIVERSITY OF TECHNOLOGY   (Czech Republic)

^b NATIONAL INSTITUTE OF TECHNOLOGY   (India)

^c NONE

Author keywords

EHL with non Newtonian lubricants; Lubricant degradation; Non Newtonian behavior; Rheology

Indexed keywords

CLASSICAL PREDICTIONS; EXPERIMENTAL MEASUREMENTS; FLOW CURVES; LOAD DEPENDENCE; LUBRICANT DEGRADATION; MECHANICAL DEGRADATION; MOLECULAR DEGRADATION; NON-NEWTONIAN; NON-NEWTONIAN BEHAVIORS; SHEAR DEPENDENCES; SHEAR THINNING; STRESS LEVELS; TIME-DEPENDENT;

DEGRADATION; ELASTICITY; ELASTOHYDRODYNAMIC LUBRICATION; LUBRICANTS; RHEOLOGY; THICKNESS MEASUREMENT; VISCOSITY;

NON NEWTONIAN FLOW;

EID: 78650891510     PISSN: 10238883     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11249-010-9698-x     Document Type: Article

References (17)

1. Kudish, I.I., Kumar, P., Khonsari, M.M., Bair, S.: Scale effects in generalized newtonian elastohydrodynamic films. ASME J. Tribol. 130, 041504-1-041504-8 (2008)
2. Bair, S., Winer, W.O.: A simple formula for EHD film thickness of non-newtonian liquids. In: Dowson, D., Taylor, C.M., Childs, T.H.C., Dalmaz, G., Berthier, Y., Flamand, L., Georges, J.-M., Lubrecht, A.A. (eds.) Proceedings of 23rd Leeds-Lyon Symposium EHD-96, Elsevier, Amsterdam, pp. 235-241 (1997)
3. I Krupka P Kumar S Bair MM Khonsari M Hartl 2010 The effect of load (pressure) for quantitative EHL film thickness Tribol. Lett. 37 3 613 622 1:CAS:528:DC%2BC3cXit1Ols78%3D 10.1007/s11249-009-9559-7
4. I Krupka S Bair P Kumar MM Khonsari M Hartl 2009 An experimental validation of the recently discovered scale effect in generalized Newtonian EHL Tribol. Lett. 33 2 127 135 10.1007/s11249-008-9397-z
5. AB Bustel 1956 Kinetics of capillary shear degradation in concentrated polymer solutions J. Chem. Phys. 24 6 1196 1201 10.1063/1.1742739
6. K Mackenzie AE Jemmett 1971 Polymer shear stability Wear 17 389 398 1:CAS:528:DyaE3MXks1Cksbs%3D 10.1016/0043-1648(71)90045-7
7. RE Harrington BH Zimm 1965 Degradation of polymers by controlled hydrodynamic shear J. Phys. Chem. 69 1 161 175 1:CAS:528:DyaF2MXjtVSisA%3D%3D 10.1021/j100885a025
8. RS Porter JF Johnson 1964 Polyisobutene degradation in laminar flow: composition and flow variables J. Appl. Phys. 35 11 3149 3151 1:CAS:528:DyaF2cXkvFaktLg%3D 10.1063/1.1713193
9. JD Clay KW Koelling 1997 Molecular degradation of concentrated polystyrene solutions in a fast transient extensional flow Polymer Eng. Sci. 37 5 789 800 1:CAS:528:DyaK2sXjsVamtbk%3D 10.1002/pen.11722
10. DL Walker DM Sanborn WO Winer 1975 Molecular degradation of lubricants in sliding elastohydrodynamic contacts ASME J. Lubr. Technol. 97 390 397 1:CAS:528:DyaE2MXlvVWkt74%3D 10.1115/1.3452614
11. Totten, G.E., Westbrook, S.R., Shah, R.J. (eds.): Fuels and Lubricants Handbook: Technology, Properties, Performance, and Testing, p. 456. ASTM International, West Conshohocken (2003)
12. S Bair F Qureshi 2003 The high-pressure rheology of polymer-oil solutions Tribol. Int. 36 637 645 1:CAS:528:DC%2BD3sXkt1Grs70%3D 10.1016/S0301-679X(03) 00008-2
13. S Bair 1996 Normal stress difference in liquid lubricants sheared under high pressure Rheol. Acta 35 13 23 1:CAS:528:DyaK28XitVeisbw%3D 10.1007/BF00366549
14. M Hartl I Krupka R Poliscuk M Liska 1999 An automatic system for real-time evaluation of EHD film thickness and shape based on the colorimetric interferometry STLE Tribol. Trans. 42 303 309 1:CAS:528:DyaK1MXjt12jtrw%3D 10.1080/10402009908982221
15. M Hartl I Krupka R Poliscuk M Liska J Molimard M Querry P Vergne 2001 Thin film colorimetric interferometry STLE Tribol. Trans. 44 270 276 1:CAS:528:DC%2BD3MXisVyjsL4%3D 10.1080/10402000108982458
16. S Bair 2001 The high-pressure, high shear stress rheology of a polybutene J. Non-Newtonian Fluid Mech. 97 53 65 1:CAS:528:DC%2BD3MXksVSnsw%3D%3D 10.1016/S0377-0257(00)00197-X
17. Bair, S.: High-Pressure Rheology for Quantitative Elastohydrodynamics. Elsevier Science, Amsterdam, pp. 137-138, 143-150 (2007)