The Effect of Dent Size on the Pressure Distribution and Failure Location in Dry Point Frictionless Rolling Contacts

Author:

Howell M. B.1,Rubin C. A.1,Hahn G. T.1

Affiliation:

1. Department of Mechanical Engineering, Vanderbilt University, Nashville, TN 37235

Abstract

Finite element simulation is performed for rolling contact over four different size spherical dents. Two rolling contacts are simulated using a portion of a sphere as a counter-face to the dented half-space. The effect of dent size on the pressure distribution and fatigue failure location for dry point contact is studied. The material model used was adjusted to match both the stress amplitude versus strain range curve and ratchetting experimental data for 52100 bearing steel.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Reference22 articles.

1. Lorosch, H. K., 1982, Influence of Load on the Magnitude of the Life Exponent for Roller Bearings, J. C. Hoo, ed., ASTM STP 771, pp. 275–292.

2. Bastias, P. C., Bhargava, V., Bower, A. P., Du, J., Gupta, V., Hahn, G. T., Kulkarni, S. M., Kumar, A. M., Leng, X., and Rubin, C. A., 1991, “Analysis Of Rolling Contact Spall Life In 440C Steel Bearing Rims,” Final Report NAS8-37764 for George C. Marshall Space Flight Center.

3. Tallian, T. E. , 1967, “On Competing Modes in Rolling Contact,” ASLE Trans., 10, pp. 418–439.

4. Lubrecht, A. A., Venner, C. H., Lane, S, Jacobsen, B. O., and Ioannides, E., 1990, Proc. Japan Int. Tribology Conf. (Nagoya) I (Japanese Society of Tribologists), pp. 185—90.

5. Lubrecht, A. A., Dwyer-Joyce, R. S., and Ioannides, E., 1992, “Analysis of the Influence of Indentations on Contact Life,” Proceedings of 18th Leeds-Lyon Symposium on Tribology, Elsevier, Amsterdam, pp. 173–181.

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