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Film-Forming Properties of Zinc-Based and Ashless Antiwear Additives
Technical Paper
2000-01-2030
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A progressive reduction in the permitted level of phosphorus in lubricating oils, coupled with concern to maintain engine and transmission durability, means that it is becoming increasingly important to understand the detailed mechanism of antiwear additive behavior.
This paper describes a new experimental technique, which is able to measure both the thickness and distribution of antiwear additive films in rolling/sliding contacts. This enables the kinetics of antiwear film build-up to be investigated and the influence of the reaction film on friction and wear to be monitored. In the current paper, this technique is used to compare the film-forming behavior of ash-containing and ashless antiwear additives.
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Citation
Taylor, L., Spikes, H., and Camenzind, H., "Film-Forming Properties of Zinc-Based and Ashless Antiwear Additives," SAE Technical Paper 2000-01-2030, 2000, https://doi.org/10.4271/2000-01-2030.Also In
References
- Korcek, S. Sorab, J. Johnson, M.D. Jensen, R.K. “Automotive lubricants for the next millennium.” Proc. 12th Intern. Colloq., Tribology 2000 - Plus Jan 2000 1 43 53 Bartz W J Techn. Akad. Esslingen, Ostfildern, Germany
- Sarin, R. Gupta, A.K. Tuli, D.K. Verma, A.S. Rai, M.M. Bhatnagar, A.K. “Synthesis and performance evaluation of O,O-dialkylphosphorodithioic disulphides as potential antiwear, extreme-pressure and antioxidant additives.” Trib. Intern. 26 389 394 1993
- Taylor, L Dratva, A. Spikes, H.A. “Friction and wear behaviour of zinc dialkyldithiophosphate additive.” STLE Annual Meeting Nashville May 2000
- Kawamura, M. “Correlation of antiwear properties with the chemical reactivity of zinc dialkyldithiophosphates.” Wear 77 287 294 1982
- Born, M. Hipeaux, J.C. Marchand, P. Parc, G. “The relationship between chemical structure and effectiveness of some metallic dialkyl- and diaryldithiophosphates in different lubricated mechanisms.” Lub. Sci. 4 93 116 1992
- Jones, R.B. Coy, R.C. “The chemistry and thermal degradation of zinc dialkyldithiophosphate additives.” ASLE Trans. 24 91 97 1981
- Fang, H.L Millar, J.M. “Characterization of the dimer formation of ZDDP neutral salt.” 4th Intern. Symp. on The performance evaluation of automotive fuels and lubricants May 1993
- Bird, R.J. Coy, R.C. Hutton, J.F. “The preparation and nature of surface films from zinc dialkyldithiophosphate.” ASLE Trans. 23 121 130 1980
- Dacre, B. Bovington, C.H. “The adsorption and desorption of zinc di-isopropyldithiophosphate on steel.” ASLE Trans. 24 546 554 1981
- Debies, T.P. Johnston, W.G. “Surface chemistry of some antiwear additives as determined by electron spectroscopy.” ASLE Trans. 23 289 297 1989
- Bell, J. Coy, R. Spikes, H.A. “Cryogenic studies of zinc dialkyl dithiophosphate anti-wear films.” Proc Jap. Int. Tribology Conf Nagoya 1990 505 510
- Bell J.C. Delargy K.M. Seeney A.M. “The removal of substrate material through thick zinc dithiophosphate anti-wear films.” Proc. 18th Leeds/Lyon Symposium Sept. 1991 Wear Particles Dowson et al. Elsevier 1992 387 396
- Martin, J.M. Mansot, J.L. Berbezier, I. Dexpert, H. “The nature and origin of wear particles from boundary lubrication with a zinc dialkyl dithiophosphate.” Wear 93 117 126 1984
- Martin, J.M. Belin, M. Mansot, J.L. Dexpert, H. Lagarde, P. “Friction-induced amorphization with ZDDP - an EXAFS Study.” ASLE Trans. 29 523 531 1986
- Bell J.C. Delargy K.M. “The composition and structure of model zinc dialkyldithiophosphate anti-wear films.” Proc. 6 th Intern. Congress on Tribology Eurotrib ′93 Budapest Aug.-Sept. 1993 Kozma M 2 328 332
- Willermet P.A. Carter R.O. III Boulos, E.N. “Lubricant-derived tribochemical films - An infra-red spectroscopic study.” Trib. Intern. 25 371 380 1992
- Willermet P.A. Carter R.O. III Schmitz P.J. Everson M. Scholl D.J. Weber W.H. “Formation, structure, and properties of lubricant-derived antiwear films.” Lub Sci. 9 325 348 1997
- Fuller, M. Yin, Z. Kasrai, M. Bancroft, G.M. Yamaguchi, E. Ryason, P.R. Willermet, P.A. Tan, K.H. “Chemical characterization of tribochemical and thermal films generated from neutral and basic ZDDPs using X-ray absorption spectroscopy.” Trib. Intern. 30 305 315 1997
- Yin, Z. Kasrai, M. Fuller, M. Bancroft, G.M. Fyfe, K. Yamaguchi, E. Ryason, P.R. Willermet, P.A. Tan, K.H. “Application of soft X-ray absorption spectroscopy in chemical characterization of antiwear films generated by ZDDP. Part I: the effect of physical parameters.” Wear 202 172 191 1997
- Bec, S. Tonck, A. George, J.-M. Coy, R.C. Bell. J.C. Roper, G.W. “Relationship between mechanical properties and structures of zincdithiophosphate anti-wear films.” Proc. Roy. Soc. Lond. A455 4181 4203 1999
- Warren O.L. Graham J.F. Norton P.R. Houston J.E. Michalske T.A. “Nanomechanical properties of films derived from zinc dialkyldithiophosphate.” Trib. Lett. 4 189 198 1998
- Cann, P. Spikes, H.A. Cameron, A. “Thick Film Formation by Zinc Dialkyl Dithiophosphates.” ASLE Trans. 26 48 52 1983
- Alliston-Greiner A.F. Greenwood J.A. Cameron A. “Thickness measurements and mechanical properties of reaction films formed by zinc dialkyldithiophosphate during running.” Proc. I.Mech.E.. Int. Conf., Tribology - Friction, Lubrication and Wear Fifty Years On London July 1987 I.Mech.E. 1987 1 565 569
- Sheasby J.S. Caughlin T.A Habeeb J.J. “Observation of the antiwear activity of zinc-dialkyldithiophosphate additives.” Wear 150 247 257 1991
- Gunsel S. Spikes H.A. Aderin M. “In-situ measurement of ZDDP films in concentrated contacts.” Trib. Trans. 36 276 282 1993
- Tripaldi G. Vettor A. Spikes H. “Friction behaviour of ZDDP films in the mixed, boundary/EHD regime.” SAE Tech. Paper 962036 1996
- Lacey, I.N. Macpherson, P.B. Kelsall, G. Spikes, H.A. “Thick anti-wear films in elastohydrodynamic contacts. Part I Film growth in rolling/rliding EHD contacts.” ASLE Trans 29 299 305 1986
- Lacey, I.N. Macpherson, P.B. Kelsall, G. Spikes, H.A. “Thick anti-aear films in elastohydrodynamic contacts. Part II Chemical nature of the deposited film.” ASLE Trans. 29 306 311 1986
- Cann, P.M. Johnston, G.J. Spikes, H.A. “The formation of thick films by phosphorus-based anti-wear additives.” Proc. I. Mech. E. C208/87 543 554 1987
- Cann, P.M. Hutchinson, J. Spikes, H.A. “The development of a spacer layer imaging method (SLIM) for mapping elastohydrodynamic contacts.” Trib. Trans. 39 915 921 1996
- Johnston, G.J. Wayte, R. Spikes, H.A. “The measurement and study of very thin lubricant films in concentrated contacts.” Trib. Trans. 34 187 194 1991
- Guangteng, G. Cann, P.M. Olver, A.V. Spikes, H.A. “Lubricant film thickness in rough surface, mixed elastohydrodynamic contact.” Trans. ASME, J of Tribology 122 65 76 2000
- Cann, P.M. “Film distribution in grease lubricated rolling contact.” NLGI Spokesman 61 22 29 1997
- Chevalier, F. Lubrecht, A.A. Cann, P.M.E. Dalmaz, G. Colin, F. “Film thickness in starved EHL point contact.” Trans. ASME, J. of Tribology 120 126 133 1998
- Patir, N. Cheng, H.S. “Effect of surface roughness orientation on the central film thickness in EHD contacts.” Proc. 5th Leeds/Lyon Symposium, Elastohydrodynamics and Related Topics Sept. 1978 Dowson D et al. Butterworths 1979 15 21