Lubrication of surface oxidized Co-Cr thin films by phosphoric and phosphorous acid esters

Osamu Kitakami, Minoru Ichijo, Hideo Daimon

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

Phosphoric and phosphorous acid esters have been applied to surface oxidized Co-Cr thin films, and their lubrication performances are investigated. Tricresyl phosphate, phosphoric and phosphorous acid esters with long alkyl chains are found to be very effective in reducing friction and wear of thin films. Such excellent lubrication performances could be attributed to their strong adsorption to the oxide surfaces and large cohesive energy between the lubricant molecules. These results are discussed in detail.

Original languageEnglish
Pages (from-to)179-182
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume235
Issue number1-3
DOIs
Publication statusPublished - 2001 Oct
EventProceedings of the 5th Perpendicular Magnetic Recording Conference (PMRC 2000) - Sendai, Japan
Duration: 2000 Oct 232000 Oct 26

Keywords

  • Lubrication
  • Phosphoric acid ester
  • Phosphorous acid ester
  • Surface oxidation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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