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Study on the Effect of Hydrogenated Lubricant Base Oil Composition to Its Oxidation Stability

[+] Author Affiliations
Xiao Li Hu, Hui Dong Wang

Lanzhou Lubricating Oil R&D Institute, Lanzhou, Gansu, China

Paper No. WTC2005-64133, pp. 567-568; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


In this paper, we studied the high temperature oxidation stability of hydrogenated lubricant base oils used in automobile engine oil formations. Different oil from Daqing, Lanzhou and Kelamayi were investigated, and a hydro-isomerised poly alpha olefin oil PAO-6 produced by Mobile company was used as model oil. The influence of aromatic hydrocarbon, sulfur and nitrogen content of the base oils to their oxidation stability was investigated. The result indicated that, the high temperature oxidation stability of all these base oil was not good, but their thermo-stability was very good.

Copyright © 2005 by ASME



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