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RESEARCH PAPERS

Nanomechanical and Nanotribological Properties of an Antiwear Tribofilm Produced from Phosphorus-Containing Additives on Boundary-Lubricated Steel Surfaces

[+] Author and Article Information
K. Komvopoulos, V. Do

University of California, Department of Mechanical Engineering, Berkeley, CA 94720

E. S. Yamaguchi

Chevron Oronite Co., Richmond, CA 94802

P. R. Ryason

Tamalpais Tribology, Fairfax, CA 94930

J. Tribol 126(4), 775-780 (Nov 09, 2004) (6 pages) doi:10.1115/1.1792696 History: Received February 16, 2004; Revised May 24, 2004; Online November 09, 2004
Copyright © 2004 by ASME
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References

Graham,  J. F., McCague,  C., and Norton,  P. R., 1999, “Topography and Nanomechanical Properties of Tribochemical Films Derived From Zinc Dialkyl and Diaryl Dithiophosphates,” Tribol. Lett. 6, pp. 149–157.
Bec, S., and Tonck, A., 2000, “Nanoindentation, Nano-Scratch and Nano-Friction Tests With a Surface Force Apparatus,” Proc. EUROMAT 2000 1 , pp. 561–566.
Bec,  S., Tonck,  A., Georges,  J. M., Coy,  R. C., Bell,  J. C., and Roper,  G. W., 1999, “Relationship Between Mechanical Properties and Structures of Zinc Dithiophosphate Anti-Wear Films,” Proc. R. Soc. London, Ser. A 455, pp. 4181–4203.
Aktary,  M., McDermott,  M. T., and McAlpine,  G. A., 2002, “Morphology and Nanomechanical Properties of ZDDP Antiwear Films as a Function of Tribological Contact Time,” Tribol. Lett. 12, pp. 155–162.
Komvopoulos,  K., Do,  V., Yamaguchi,  E. S., and Ryason,  P. R., 2003, “Effect of Sulfur- and Phosphorus-Containing Additives and Metal Deactivator on the Tribological Properties of Boundary-Lubricated Steel Surfaces,” Tribol. Trans. 46, pp. 315–325.
Komvopoulos,  K., Do,  V., Yamaguchi,  E. S., Yeh,  S. W., and Ryason,  P. R., 2004, “X-Ray Photoelectron Spectroscopy Analysis of Antiwear Tribofilms Produced on Boundary-Lubricated Steel Surfaces From Sulfur- and Phosphorus-Containing Additives and Metal Deactivator Additive,” Tribol. Trans. 47, pp. 321-327.
Zhang,  N., Zhuang,  D.-M., Liu,  J.-J., Fang,  X.-D., and Guan,  M.-X., 2001, “Effect of Sulphide Layers on the Tribological Behavior of Steels Under Boundary Lubrication Conditions,” Appl. Surf. Sci. 181, pp. 61–67.
Antony,  J. P., Mittal,  B. D., Naithani,  K. P., Misra,  A. K., and Bhatnagar,  A. K., 1994, “Antiwear/Extreme Pressure Performance of Graphite and Molybdenum Disulphide Combinations in Lubricating Greases,” Wear 174, pp. 33–37.
Ye,  J.-P., Kano,  M., and Yasuda,  Y., 2002, “Evaluation of Local Mechanical Properties in Depth in MoDTC/ZDDP and ZDDP Tribochemical Reacted Films Using Nanoindentation,” Tribol. Lett. 13, pp. 41–47.
Hong,  H.-S., 2002, “Designing Automotive Gear Oils for the New Millennium,” Lubr. Sci. 14, pp. 435–453.
Yamaguchi,  E. S., Ryason,  P. R., Yeh,  S. W., and Hansen,  T. P., 1998, “Boundary Film Formation by ZnDTPs and Detergents Using ECR,” Tribol. Trans. 41, pp. 262–272.
Oliver,  W. C., and Pharr,  G. M., 1992, “An Improved Technique for Determining Hardness and Elastic Modulus Using Load and Displacement Sensing Indentation Experiments,” J. Mater. Res. 7, pp. 1564–1583.
Wang,  F.-X., Cheng,  Y.-Q., and Guan,  D.-H., 1995, “On the Tribological Behavior and Surface Analysis of a Sliding PSZ Ceramic-Steel Pair,” ASME J. Tribol. 117, pp. 548–552.
Bhattacharya,  A. K., and Nix,  W. D., 1988, “Analysis of Elastic and Plastic Deformation Associated With Indentation Testing of Thin Films on Substrates,” Int. J. Solids Struct. 24, pp. 1287–1298.
Fuller,  M., Yin,  Z.-F., Kasrai,  M., Bancroft,  G. M., Yamaguchi,  E. S., Ryason,  P. R., Willermet,  P. A., and Tan,  K. H., 1997, “Chemical Characterization of Tribochemical and Thermal Films Generated From Neutral and Basic ZDDPs Using X-Ray Absorption Spectroscopy,” Tribol. Int. 30, pp. 305–315.
Najman,  M. N., Kasrai,  M., Bancroft,  G. M., and Miller,  A., 2002, “Study of the Chemistry of Films Generated From Phosphate Ester Additives on 52100 Steel Using X-Ray Absorption Spectroscopy,” Tribol. Lett. 13, pp. 209–218.
Lara,  J., Blunt,  T., Kotvis,  P., Riga,  A., and Tysoe,  W. T., 1998, “Surface Chemistry and Extreme-Pressure Lubricant Properties of Dimethyl Disulfide,” J. Phys. Chem. B 102, pp. 1703–1709.
Lara,  J., Kotvis,  P. V., and Tysoe,  W. T., 1997, “The Surface Chemistry of Chlorinated Hydrocarbon Extreme-Pressure Lubricant Additives,” Tribol. Lett. 3, pp. 303–309.

Figures

Grahic Jump Location
(a) Coefficient of friction and (b) contact voltage versus sliding distance of AISI 52100 steel surfaces sliding on themselves in the presence of a blend consisting of gear base oil and ∼1 wt% alkyl amine phosphate additive at 100°C
Grahic Jump Location
Representative nanoindentation load versus depth curves of surface regions on and off the wear track obtained with a Berkovich diamond tip of nominal radius of curvature equal to 100 nm under a maximum indentation load in the range of 100–600 μN
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Inverted images of nanoindentations on surface regions (a) off and (b) on the wear track obtained with a Berkovich diamond tip of nominal radius of curvature equal to 100 nm under an indentation load equal to 300 μN
Grahic Jump Location
(a) Reduced elastic modulus and (b) hardness versus contact depth of surface regions on and off the wear track obtained from nanoindentation experiments performed with a Berkovich diamond tip of nominal radius of curvature equal to 100 nm
Grahic Jump Location
Coefficient of friction versus lateral displacement obtained with a conical diamond tip of nominal radius of curvature equal to 20 μm under a normal load equal to (a) 100 μN, (b) 150 μN, and (c) 200 μN

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