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Tribological properties of ZrO2 (Y2O 3)MoBaF2/CaF2 composites at high temperatures

  • Lingqian Kong
  • , Qinling Bi
  • , Shengyu Zhu
  • , Jun Yang
  • , Weimin Liu
  • CAS - Lanzhou Institute of Chemical Physics
  • University of Chinese Academy of Sciences

Research output: Contribution to journalArticlepeer-review

74 Scopus citations

Abstract

ZrO2 (Y2O3) with different contents of BaF2/CaF2 and Mo were fabricated by hot pressed sintering, and the tribological behavior of the composites against SiC ceramic was investigated from room temperature to 1000 °C. It was found that the ZrO2 (Y2O3)5BaF2/CaF210Mo composite possessed excellent self-lubricating and anti-wear properties. The low friction and wear were attributed to enhanced matrix and BaMoO4 formed on the worn surfaces.

Original languageEnglish
Pages (from-to)43-49
Number of pages7
JournalTribology International
Volume45
Issue number1
DOIs
StatePublished - Jan 2012
Externally publishedYes

Keywords

  • BaF/CaF
  • Tribological behavior
  • Wear mechanism
  • ZrO (YO)

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