Relationship between the molecular structures of lubricants and their performance at the head-disk interface of hard disk drives

Wear

Volumn 254, Issue 3-4, 2003, Pages 321-331

  Zhang, Junyan ^a   Cheng, Tai ^b   Cheng, Peter ^b   Chao, Jim ^b  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b Tribology and HDI/HMT   (United States)

Author keywords

Friction and wear; Hard disk drives; Head disk interface; Lubricant mobility; Molecular structure; OSA; Tribochemistry; UHV

Indexed keywords

CATALYSIS; DEGRADATION; DIAMOND LIKE CARBON FILMS; HARD DISK STORAGE; MASS SPECTROMETERS; MOLECULAR STRUCTURE; THERMODYNAMIC STABILITY; ULTRAHIGH VACUUM;

OPTICAL SURFACE ANALYZER (OSA);

LUBRICANTS;

DISK DRIVE; FRICTION; LUBRICANT; MOLECULAR STRUCTURE; WEAR;

EID: 0037289707     PISSN: 00431648     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0043-1648(03)00011-5     Document Type: Article

References (35)

1. B.D. Strom, D.B. Bogy, R.G. Walmsley, J. Brandt, C.S. Bhatia, Gaseous wear products from perfluoropolyether lubricant films, Wear 168 (1993) 31-36.
2. Z. Zhao, B. Bhushan, Tribological performance of PFPE and X-1P lubricants at head-disk interface. Part I. Experimental results, Tribol. Lett. 6 (1999) 129-139.
3. G. Vurens, C.M. Mate, The thermal stability of perfluoropolyethers on carbon surfaces, Appl. Surf. Sci. 59 (1992) 281-287.
4. 3, J. Phys. Chem. B 104 (2000) 1277-1284.
5. 3 catalyst, Catal. Lett. 30 (1995) 305.
6. 3 surfaces, Langmuir 15 (1999) 4789-4795.
7. D.B. Mawhinney, J.A. Rossin, K. Gerhart, J.T. Yates Jr., Adsorption studies by transmission IR spectroscopy: a new method for opaque materials, Langmuir 15 (1999) 4617-4621.
8. 3: 2-chloroethylethyl sulfide adsorption site selection, Langmuir 16 (2000) 2237-2241.
9. 3, Langmuir 11 (1995) 127-135.
10. 2 surfaces: implications for tribology, Tribol. Lett. 4 (1998) 109-118.
11. G.W. Tyndall, R.J. Waltman, D.J. Pocker, Concerning the interactions between ZDOL perfluoropolyether lubricant and an amorphous-nitrogenated carbon surface, Langmuir 14 (1998) 7527-7536.
12. x overcoats, Langmuir 16 (2000) 6628-6635.
13. P.H. Kasai, P. Wheeler, Degradation of perfluoropolyethers catalyzed by aluminum chloride, Appl. Surf. Sci. 52 (1991) 91-106.
14. P.H. Kasai, Perfluoropolyethers: intramolecular disproportionation, Macromolecules 25 (1992) 6791-6799.
15. L.S. Helmick, S.K. Sharma, Effect of humidity on friction and wear for a linear perfluoropolyether fluid under boundary lubrications, Lubric. Eng. 25 (1996) 437-442.
16. J. Liang, L.S. Helmick, Tribochemistry of a PFPAE fluid on M-50 surfaces by FTIR spectroscopy, Tribol. Trans. 39 (1996) 705-709.
17. P. Herrera-Fierro, B.A. Shogrin, W.R. Jones, Spectroscopic analysis of perfluoropolyether lubricant degradation during boundary lubrication, Lubric. Eng. 2 (2000) 23-29.
18. L.S. Helmick, J.C. Liang, B.E. Ream, The decomposition reaction path of a linear PFPAE under tribological conditions, Tribol. Lett. 4 (1998) 287-292.
19. M.J. Zehe, O.D. Faut, NASA TM-101, NASA, Washington, DC, 1989, p. 962.
20. P.H. Kasai, Degradation of perfluoropoly(ethers) and role of X-1P additives in disk files, J. Inform. Storage Proc. Syst. 1 (1999) 23-31.
21. P.H. Kasai, Perfluoropoly(ethers): intramolecular disproportionation II, J. Inform. Storage Proc. Syst. 1 (1999) 233-243.
22. S. Matsunuma, The initial step of tribochemical reactions of perfluoropolyether on amorphous carbon, Wear 213 (1997) 112-116.
23. P. Herrera-Fierro, S.V. Pepper, W.R. Jones Jr., X-ray photoelectron spectroscopy study of the stability of Fomblin-Z25 on the native oxide of aluminum, J. Vac. Sci. Technol. A 10 (1992) 2746-2751.
24. 3/TiC sliders in ultra-high vacuum, IEEE Trans. Mag. 32 (1996) 3669-3671.
25. C.Y. Chen, D.B. Bogy, C.S. Bhatia, Tribochemistry of monodispersed ZDOL with hydrogenated carbon overcoats, J. Vac. Sci. Technol. A 18 (2000) 1809-1817.
26. x overcoats, Tribol. Lett. 1 (2000) 25-34.
27. C.Y. Chen, W. Fong, D.B. Bogy, C.S. Bhatia, Lubricant thickness effect on tribological performance of ZDOL lubricated disks with hydrogenated overcoats, Tribol. Lett. 1 (1999) 1-10.
28. C.S. Bhatia, W. Fong, C.Y. Chen, J.J. Wei, D.B. Bogy, S. Anders, T. Stammler, J. Stohr, Tribo-chemistry at the head/disk interface, IEEE Trans. Mag. 2 (1999) 910-915.
29. X.H. Yun, D.B. Bogy, C.S. Bhatia, Tribochemistry study of hydrogenated carbon coatings with different hydrogen content levels in ultra-high vacuum, J. Tribol. 119 (1997) 437-443.
30. R.H. Wang, R.L. White, S.W. Meeks, B.G. Min, A. Kellock, A. Homola, D. Yoon, The interaction of perfluoropolyether lubricant with hydrogenated carbon, IEEE Trans. Mag. 5 (1996) 3777-3779.
31. T. Cheng, B. Zhao, J. Chao, S.W. Meeks, V. Velidandla, The lubricant migration rate on the hard disk surface, Tribol. Lett. 9 (2000) 181-185.
32. E. Rabinowicz, Friction and Wear of Materials, Wiley, New York, 1965, p. 214.
33. S.W. Meeks, T.E. Weresin, H. Rosen, Optical surface analysis of the head-disk interface of thin film disks, J. Tribol. 117 (1995) 112-118.
34. A. Khurshudov, P. Baumgart, R.J. Waltman, In situ quantitative analysis of nano-scale lubricant migration at the slider-disk interface, Wear 225-229 (1999) 690-699.
35. C.Y. Chen, Tribochemistry of the decomposition mechanisms of perfluoropolyether lubricants at the head-disk interface of hard disk drives in UHV, Ph.D. Thesis, University of California at Berkeley, Fall 1999.