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Abstract
The mathematical model of adhesive wear and its control by surface adsorption of a single-component lubricant has been expanded to include an additive as a second component. The model has been tested with experimental wear rate results as a function if additive concentration for both liquid and vapor phase lubricants. A satisfactory fit of the data to the model is observed, and the calculated values for the equilibrium constant and the heat of adsorption for long-chain polar compounds from cetane solution on steel surfaces are amine > acid > alcohol, the same trend as observed in adsorption studies. The ratio of the effective molecular size of the adsorbed molecules can be calculated and used as a parameter in testing the model, or for gaining understanding about the nature of the active antiwear specie.
Presented as an American Society of Lubrication Engineers paper at the ASLE/ASME Lubrication Conference held in Houston, Texas, October 14–16, 1969
Notes
Presented as an American Society of Lubrication Engineers paper at the ASLE/ASME Lubrication Conference held in Houston, Texas, October 14–16, 1969
