A tribological study of an S-P-N containing additive in polyalphaolefin

Jiusheng Li, Tianhui Ren, Dapu Wang, Weimin Liu, Qunji Xue

Research output: Contribution to journalArticlepeer-review

Abstract

The load-carrying capacity, antiwear, and friction reduction properties of a novel S-P-N additive (BMDDP) added to a synthetic lubricant, polyalphaolefin (PAO), were evaluated using a four-ball test machine. The results were compared with those of a commercial S-P-N additive (T307), and show that BMDDP is an excellent extreme pressure and antiwear additive in polyalphaolefin, similar to T307. The rubbed surfaces were investigated using X-ray photoelectron spectroscopy, and the antiwear mechanism is discussed.

Original languageEnglish
Pages (from-to)129-134
Number of pages6
JournalJournal of Synthetic Lubrication
Volume18
Issue number2
DOIs
StatePublished - Jul 2001
Externally publishedYes

Keywords

  • Antiwear
  • Benzotriazole derivative
  • EP
  • Extreme pressure additives
  • PAO
  • Polyalphaolefin
  • X-ray photoelectron spectroscopy

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