An opportunity for partial replacement of phosphates and dithiophosphates in EP packages with boron-containing additives

Tribology International

Volumn 31, Issue 5, 1998, Pages 257-263

  Stanulov, K G ^a   Harhara, H N ^a   Cholakov, G S ^a  

^a UNIVERSITY OF CHEMICAL TECHNOLOGY AND METALLURGY   (Bulgaria)

Author keywords

Atomic emission spectrometry; Boron and zinc DDP additives; Ecological compatibility; Four ball machine; Lubricating properties

Indexed keywords

ADDITIVES; ATOMIC SPECTROSCOPY; COMPOSITION EFFECTS; EMISSION SPECTROSCOPY; ENVIRONMENTAL IMPACT; ESTERS; FATTY ACIDS; LUBRICATION; PHOSPHATES; WEAR RESISTANCE;

ATOMIC EMISSION SPECTROSCOPY; BORIC ADDITIVES; ECOLOGICAL COMPATIBILITY; FOUR-BALL MACHINE LUBRICATION;

LUBRICANTS;

EID: 0032068373     PISSN: 0301679X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-679X(98)00028-0     Document Type: Article

References (25)

1. Papay, A. G., Anti-wear and extreme pressure additives in lubricants. In Proceedings of 10th International Colloquium, Vol. II, ed. W. Bartz. Esslingen, 1996, pp. 1093-1099.
2. Bratkov, A. A. ed., Theoretical fundamentals of chemmotology. Chimia, Moscow, 1985 (in Russian).
3. Adams, J. H., Borate - a new generation EP gear lubricant. Lubr. Eng., 1977, 34(5), 241-246.
4. US Patent No. 4 541 542, 1985.
5. US Patent No. 4 582 617, 1986.
6. US Patent No. 4 519 926, 1985.
7. US Patent No. 4 394 277, 1983.
8. US Patent No. 4 557 844, 1985.
9. Cholakov, G., Stanulov, K., Cheriisky, I. and Antonov, Tz., Functional properties of EP additive packages, containing Zn dialkyldithiophosphate, a sulphurized EP additive and a metal deactivator. In Proceedings of 7th International Colloquium, Vol. 1, ed. W. Bartz. Esslingen, 1990, pp. 3.8.1-3.8.11.
10. Stanulov, K., Cholakov, G. and Cheriisky, I., Functional properties of boron, sulphur and phosphorus-containing additive packages. Oxid. Commun., 1994, 17(3), 220-224.
11. Stanulov, K., Cholakov, G. and Cheriisky, I., Tribological properties of boron, sulphur and phosphorus containing additive packages. In Proceedings of 'Eurotrib '93', 6th International Congress on Tribology, Vol. 2, Budapest, 30 August-2 September, 1993, pp. 373-377.
12. Herdan, J. M., Trends in gear oil additives. Lubr. Sci., 1997, 9(2), 195-206.
13. Bartz, W. J., Lubricants and the environment. In New Directions in Tribology, ed. I. Hutchings. MEP, London, 1997, pp. 103-119.
14. Voumard, P., Jeanpetit, E. and Pfluger, E., Tribological investigation of ecologically compatible additives. In World Tribology Congress, Abstracts of papers, MEP, London, 1997, p. 119.
15. Cholakov, G. S. and Rowe, G. W., Lubricating properties of grinding fluids. II. Comparison of fluids in four-ball tribometer tests. Wear, 1992, 155, 331-342.
16. Rounds, F., Changes in friction and wear performance caused by interaction among lubricant additives. In Proceedings of 5th International Colloquium, Vol. 1, ed. W. Bartz. Esslingen, 1986, pp. 4.8.1-4.8.21.
17. Spikes, H., Advances in the study of thin lubricant films. In New Directions in Tribology, ed. I. Hutchings. MEP, London, 1997, pp. 355-369.
18. Adams, J. H. and Godfrey, D., Borate gear lubricant - EP film analysis and performance. Lubr. Eng., 1981, 37(1), 16-21.
19. Kreuz, K. L., Fein, R. S. and Dundy, M. EP Films from Borate Lubricants, Vol. 10, ASLE Trans., 1967, pp. 67-76.
20. Yao, J. and Dong, J., Tribocatalysis reaction during antiwear synergism between borates and Sn (IV) compounds in boundary lubrication. Trib. Int., 1996, 29(5), 429-432.
21. Yao, J., Antiwear function and mechanism of borate-containing nitrogen. Trib. Int., 1997, 30(6), 387-389.
22. Liu, W., Xue, Q., Zhang, X., Wang, H. and Huang, C., The performance and antiwear mechanism of tridodecyl borate as an oil additive. Lubr. Eng., 1992, 48(1), 49-60.
23. Born, M., Hipeaux, J. C., Marchand, P. and Parc, G., Relationship between chemical structure and effectiveness of some metallic dialkyl and diaryldithiophosphates in different lubricated mechanisms. In Proceedings of 7th International Colloquium, Vol. 1, ed. W. Bartz. Esslingen, 1990, pp. 3.10.1-3.10.20.
24. US Patent No. 5 629 272, 1997.
25. Yao, J. and Dong, J., Comparison of sulfur-containing borate with sulfur-free borate in tribological behaviour. In: Proceedings of 10th International Colloquium, Vol. 2, ed. W. Bartz. Esslingen, 1996, 1237-1240.