Contrasting lubrication properties of imidazolium-based ionic liquids affected by the nature of the surface under high vacuum

Tribology Letters

Volumn 55, Issue 2, 2014, Pages 235-244

  Masuko, Masabumi ^a   Terawaki, Takahiro ^a   Kobayashi, Kenji ^a   Aoki, Saiko ^a   Suzuki, Akihito ^a   Fujinami, Yukitoshi ^b   Nogi, Takashi ^c   Obara, Shingo ^c  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b IDEMITSU KOSAN CO LTD   (Japan)

^c JAPAN AEROSPACE EXPLORATION AGENCY   (Japan)

Author keywords

Boundary lubrication; Boundary lubrication chemistry; HSAB principle; Space tribology; Synthetic lubricants

Indexed keywords

SYNTHETIC LUBRICANTS; TRIBOLOGY;

BOUNDARY LUBRICATION CHEMISTRY; BOUNDARY LUBRICATIONS; HSAB PRINCIPLE; IMIDAZOLIUM-BASED IONIC LIQUID; LUBRICATION PERFORMANCE; SPACE TRIBOLOGY; TRIBOLOGICAL CHARACTERISTICS; TRIBOLOGICAL PERFORMANCE;

IONIC LIQUIDS;

EID: 84904734305     PISSN: 10238883     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11249-014-0353-9     Document Type: Article

References (16)

1. Carre, D.J., Kalogeras, C.G., Didziulis, S.V., Fleishauer, P.D., Bauer, R.: Recent experience with synthetic hydrocarbon lubricants for spacecraft applications. In: Proceedings of the Sixth European Space Mechanisms and Tribology Symposium ESA SP-374, pp. 177-183 (1995)
2. Ye, C., Liu, W., Chen, Y., Yu, L.: Room-temperature ionic liquids: a novel versatile lubricant. Chem. Commun. 21, 2244-2245 (2001)
3. Somers, A.E., Howlett, P.C., MacFarlane, D.R., Forsyth, M.: A review of ionic liquid lubricants. Lubricants 1, 3-21 (2013)
4. Mordukhovich, G., et al.: A low-viscosity ionic liquid demonstrating superior lubricating performance from mixed to boundary lubrication. Wear 301, 740-746 (2013)
5. Wang, L., Liu, X.: Tribological behavior of DLC/IL solid-liquid lubricating coatings in a high-vacuum condition with alternating high and low temperatures. Wear 304, 13-19 (2013)
6. Pejaković, V., Kronberger, M., Kalin, M.: Influence of temperature on tribological behaviour of ionic liquids as lubricants and lubricant additives. Lubr. Sci. (2013). doi: 10.1002/ls.1233
7. Morales, W., et al.: Tribological testing and thermal analysis of an alkyl sulfate series of ionic liquids for use as aerospace lubricants. Tribol. Trans. 55, 815-821 (2013)
8. Dold, C., Amann, T., Kailer, A.: Influence of structural variations on imidazolium-based ionic liquids. Lubr. Sci. 25, 251-265 (2013)
9. Masuko, M., Iijima, S., Terawaki, T., Suzuki, A., Aoki, S., Nogi, T., Obara, S.: Effect of surface oxide layer of steel on the tribological characteristics of load-bearing additives for multiply-alkylated cyclopentane oil under high vacuum. Tribol. Lett. 51, 115-125 (2013)
10. Suzuki, A., Shinka, Y., Masuko, M.: Tribological characteristics of imidazolium-based room temperature ionic liquids under high vacuum. Tribol. Lett. 27, 307-313 (2007)
11. Masuko, M., Kishi, K., Suzuki, A., Obara, S.: The lifetime of boundary lubrication performance of small-quantity-applied liquid lubricants for space mechanisms evaluated with a vacuum reciprocating tribometer. Tribol. Trans. 53, 75-83 (2010)
12. Iijima, S., Masuko, M., Suzuki, A., Nogi, T., Obara, S.: Effect of oxide layer of metal surface on lubrication performance of liquid lubricants in high vacuum. J. Jpn. Soc. Tribol. 56, 320-330 (2011). (in Japanese)
13. NIST X-ray Photoelectron Spectroscopy Database, Version 4.1 (National Institute of Standards and Technology, Gaithersburg, 2012); http://srdata.nist. gov/xps/
14. Schernich, S., et al.: Functionalization of oxide surfaces through reaction with 1, 3-dialkylimidazolium ionic liquids. J. Phys. Chem. Lett. 4, 30-35 (2013)
15. Pearson, R.G.: Hard and soft acids and bases. JACS 85, 3533-3539 (1963)
16. Pearson, R.G.: Hard and soft acids and bases, HSAB, part I fundamental principles. J. Chem. Educ. 45, 581-587 (1968)