Two new formulae to calculate the film thickness in elastohydrodynamic lubrication and an evaluation of Grubin's formula

An effort was made to study and characterize the evolution of transient tribological wear in the presence of sliding contact. Sliding contact is often characterized experimentally via the standard ASTM D4172 four-ball test, and these tests were conducted for varying times ranging from 10 seconds to 1 hour, as well as at varying temperatures and loads. A numerical model was developed to simulate the evolution of wear in the elastohydrodynamic regime. This model uses the results of a Monte Carlo study to develop novel empirical equations for wear rate as a function of asperity height and lubricant thickness; these equations closely represented the experimental data and successfully modeled the sliding contact.

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Two new formulae to calculate the film thickness in elastohydrodynamic lubrication and an evaluation of Grubin's formula

Cited by 2 publications

References 6 publications

The efficiency of a hypoid axle—a thermally coupled lubrication model

The efficiency of a hypoid axle—a thermally coupled lubrication model

Tribological investigations of the load, temperature, and time dependence of wear in sliding contact

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