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Gear Oils and the Function of EP Additives
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English
Abstract
The multiple function of gear oils is described and the key properties required for satisfactory performance are reviewed. Special emphasis is placed on the EP properties and the corresponding additives necessary for the successful operation of gear oils. Analysis of the EP spectrum of properties allows for a better understanding of the chemistry of EP additives. It is pointed out that balancing among the EP components themselves and vis-a-vis the other performance additives is a critical part of a successful, universally effective, gear oil formulation.
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Authors
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Citation
Papay, A. and Damrath, J., "Gear Oils and the Function of EP Additives," SAE Technical Paper 860757, 1986, https://doi.org/10.4271/860757.Also In
References
- Hendrick E. E. U.S. Patent 90,100 May 18 1869
- Korosec P. S. Norman S. “Gear Lubrication: Fifty Years of Progress” NLGI Spokesman Nov. 1984
- Papay A. G. “The Practical Significance of Gear Lubricant Tests 1985
- Clarke T. M. Miller G. R. Keer L. M. Cheng H. S. “The Role of Near-Surface Inclusions in the Pitting of Gears” 1984
- Friess E, W. “Metallurgical Examination of Scored and Ridged Hypoid Gears” SAE Paper 760325 1976
- Olszewski W. F. Neiswender D. D. “Development of a Rear Axie Lubricant” SAE Paper 760326 1976
- Papay A. G. “Oil Soluble Friction Reducers - Theory and Application” Lubrication Engineering 7 419 426 1984
- Dararath J. G. Papay A. G. “Additives for Gear Oils - Function and Interactions” 5th International Colloquium on Additives for Lubricants and Operational Fluids Technishe Akademie Esslingen Jan. 1986