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

Matthew David Marko, Jonathan P Kyle, Yuanyuan Sabrina Wang and Elon J Terrell

PLOS ONE, 2017, vol. 12, issue 4, 1-20

Abstract: 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.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0175198

DOI: 10.1371/journal.pone.0175198

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