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Development of a Set of Stribeck Curves for Conformal Contacts of Rough Surfaces

The Stribeck curve is an overall view of friction variation in the entire range of lubrication, including the hydrodynamic, mixed, and boundary lubrication. This paper presents the results of research on the friction of a journal-bearing conformal contact system in the form of Stribeck curves through numerical simulation. The surface roughness of the journal and the bearing and material elasticity and thermoelasticity are included in the modeling, and their influences on the results of Stribeck curves are discussed. A three-dimensional Stribeck surface is constructed to illustrate the load effect on friction for the modeled journal-bearing structure. Review led by Gary Barber