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TECHNICAL NOTES

Effect of a Dent on the Pressure Distribution in Dry Point Contacts

[+] Author and Article Information
S. Coulon, F. Ville, A. A. Lubrecht

Laboratoire de Mécanique des Contacts, CNRS UMR 5514, INSA Ba⁁t. Jean d’Alembert, 20 av. A. Einstein, 69621 Villeurbanne Cedex, France

J. Tribol 124(1), 220-223 (Mar 12, 2001) (4 pages) doi:10.1115/1.1396345 History: Received October 20, 2000; Revised March 12, 2001
Copyright © 2002 by ASME
Topics: Pressure , Geometry
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References

Tallian,  T. E., 1976, “Prediction of Rolling Contact Fatigue Life in Contaminated Lubricant: Part I—Mathematical Model,” ASME J. Lubr. Technol., 98, pp. 251–257.
Tallian,  T. E., 1976, “Prediction of Rolling Contact Fatigue Life in Contaminated Lubricant: Part II—Experimental,” ASME J. Lubr. Technol., 98, pp. 384–392.
Dwyer-Joyce R. S., Hamer J. C., Sayles R. S., and Ioannides, E., 1991, “Lubricant Screening for Debris Effects to Improve Fatigue and Wear Life,” Proceedings of 18th Leeds-Lyon Symposium on Tribology, D. Dowson, C. M. Taylor, and M. Godet, eds., Elsevier, Amsterdam, 26 , pp. 57–63.
Nixon,  H. P., and Zantopoulos,  H., 1995, “Fatigue Life Performance Comparisons of Tapered Roller Bearings with Debris-Damaged Raceways,” Lubr. Eng., 51, pp. 732–736.
Cheng,  W., Cheng,  H. S., Keer,  L. M., 1994, “Experimental Investigation on Rolling/Sliding Contact Fatigue Crack Initiation with Artificial Defects,” STLE TriBol. Trans., 37, pp. 1–12.
Johnson, K. L., 1985, Contact Mechanics, Cambridge University Press, Cambridge.
Greenwood,  J. A., 1997, “Contact Pressure as an Elastic Roller Crosses a Scratch,” ASME J. Appl. Mech., 64, pp. 425–427.
Lubrecht,  A. A., Ioannides,  E., 1991, “A Fast Solution of the Dry Contact Problem and Associated Sub-Surface Stress Field, Using Multilevel Techniques,” ASME J. Tribol., 113, pp. 128–133.
Lubrecht, A. A., Dwyer-Joyce, R. S., Ioannides, E., 1992, “Analysis of the Influence of Indentation on Contact Life,” Proceedings of the 19th Leeds-Lyon Symposium on Tribology, D. Dowson, C. M. Taylor, and M. Godet, Elsevier, Amsterdam, 27 , pp. 173–181.

Figures

Grahic Jump Location
Mathematical dent for y=0,dth=15 μm,ϕ=150 μm,K=15
Grahic Jump Location
Pressure distribution for (a) continuous contact area, and (b) discontinuous contact area
Grahic Jump Location
Zone A—dimensionless peak pressure versus dent ratio Dth
Grahic Jump Location
Zone C—dimensionless peak pressure versus Dth0.51.5
Grahic Jump Location
Dimensionless peak pressure as a function of load and geometry

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