Investigation on the tribological performance of functionalized nanoscale silica as an amphiphilic lubricant additive

Liang Hao, Peipei Li, A. Aljabri, Huaying Li, Guangming Liu, Zhongliang Xie, Tuanjie Li

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

In order to enhance tribological performance of both water-based and oil-based lubricant, the SiO2 nanoscale ionic liquid (NIL), an amphiphilic lubricant additive, was prepared by using a sulfuric acid terminated organo-silane as corona and polyether amine as canopy. Various analytical techniques were used to characterize the SiO2 NIL and stability of the nanolubricants. A ball-on-disk tribometer was adopted to investigate the lubrication enhancement of the SiO2 NIL in both water-based and oil-based lubricants. The results show that the SiO2 NIL can reduce the coefficient of friction (COF) and wear in these two lubricant groups, especially in the water-based lubricant. The lubrication mechanisms are ascribed to the polishing, ball bearing and mending effects of the SiO2 NIL.

Original languageEnglish
Pages (from-to)5507-5515
Number of pages9
JournalJournal of Materials Research and Technology
Volume15
DOIs
StatePublished - 1 Nov 2021

Keywords

  • Amphiphilic additive
  • Ball-on-disk
  • Silica nanoscale ionic liquid
  • Tribological properties

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