Lubricant degradation and wear v. reaction products of a zinc dialkyldithiophosphate and peroxy radicals

ASLE Transactions

Volumn 27, Issue 1, 1984, Pages 67-72

  Willermet, P A ^a   Kandah, S K ^a  

^a FORD MOTOR COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL REACTIONS - DECOMPOSITION; ZINC COMPOUNDS - DEGRADATION;

LUBRICANTS;

EID: 0021286374     PISSN: 05698197     EISSN: None     Source Type: Journal    
DOI: 10.1080/05698198408981546     Document Type: Article

References (11)

1. Willermet, P. A., Mahoney, L. R., and Haas, C. M., “The Effects of Antioxidant Reactions on the Wear Behavior of a Zinc Dialkyldithio- phosphate, ” ASLE Trans., 22, 4, pp 301—306 (1979).
2. Willermet, P. A., Mahoney, L. R., and Bishop, C. M., “Lubricant Degradation and Wear III. Antioxidant Reactions and Wear Behavior ofa Zinc Dialkydithiophosphate in a Fully Formulated Lubricant, " ASLE Tram., 23, 3, pp 225-231 (1980).
3. Korcek, S., Mahoney, L. R., Johnson, M. D., and Siegl, W. O., “Mechanisms of Antioxidant Decay in Gasoline Engines; Investigations of Zinc Dialkyidithiophosphate Additives, " SAE paper no. 810014, presented at the Society of Automotive Engineers International Congress and Exposition, Detroit, Michigan, February 23-27, 1981.
4. Willermet, P. A., Kandah, S. K., Siegl, W. O., and Chase, R. E., “The Influence of Molecular Oxygen on Wear Protection by Surface-Active Compounds, ” ASLE preprint no. 82-LC-4C-4, presented at the ASLE/ASME International Lubrication Conference, Washington, D.C., October 5-7, 1982.
5. Mahoney, L. R., Korcek, S., Hoffman, S., and Willermet, P. A., “Determination of the Antioxidant Capacity of New and Used Lubricants; Methods and Applications, " hid. Eng. Chem., Prod. Res. Div., 17, 3, pp 250-255 (1978).
6. Willermet, P. A. and Kandah, S. K., “Wear Asymmetry—A Comparison of the Wear Volumes of the Rotating and Stationary Balls in the Four-Ball Machine, ” ASLE preprint no. 82-AM-6A-1, presented at the Annual Meeting of the ASLE, Cincinnati, Ohio, May 3—6 (1982).
7. Feng, I-Ming, “A New Approach in Interpreting the Four-Ball Wear Results, ” Wear, 5, pp 275—288 (1962).
8. Mavel, G. “Annual Report on NMR Spectroscopy, Vol. 5B, NMR Studies of Phosphorus Compounds (1965—1969)". Editor: Mooney, E. F., Academic Press, N.Y. (1973).
9. Jones, R. B. and Coy, R. L., “The Chemistry of the Thermal Degradation of Zinc Dialkyidithiophosphate Additives." ASLE Trans., 24, 1, pp 91-97 (1981).
10. Sanin, P. I., Blagovidov, I. F., Vipper, A. B., Kuliev, A. M., Krein, S. E., Ramaya, K. S., Shor, G. I., Sher, V. V., and Zaslavsky, Yu. S., “New Concepts of the Mechanism of Action and Depiction of Motor Oil Additives, " Eighth World Petroleum Congr. Proc., 5, pp 91—99, Applied Science Publishers Ltd., London (1971).
11. Barber, R. L, “The Preparation of Some Phosphorus Compounds and Their Comparison as Load-Carrying Additives by the Four-Ball Machine, " ASLE Trans., 19, 4, pp 319—329 (1976).