Self-lubricating behavior of ZrO2(Y2O3)-Mo-CaF2-graphite composite

Ling Qian Kong, Qin Ling Bi, Sheng Yu Zhu, Wei Min Liu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

It is of great importance to find ways to lubricate ZrO2ceramic. In this paper, a kind of ZrO2 matrix high temperature self-lubricating compositewith addition of CaF2 and graphite as lubricants was prepared by hot-pressing. It was found that the tribological properties of ZrO2(Y2O3)-CaF2-graphiteshow a good tribological behavior both at low temperature and high temperatures. The low friction coefficients of ZrO2 (Y2O3)-Mo-CaF2-graphite at high temperatures were due to the perfect lubricity of CaMoO4 which was formed on the worn surface at high temperatures.

Original languageEnglish
Title of host publicationProgress in Materials Science and Engineering
Subtitle of host publicationICMSE 2013
Pages584-587
Number of pages4
DOIs
StatePublished - 2013
Externally publishedYes
Event2013 International Conference on Material Science and Engineering, ICMSE 2013 - Guilin, Guangxi, China
Duration: 4 Oct 20136 Oct 2013

Publication series

NameAdvanced Materials Research
Volume815
ISSN (Print)1022-6680

Conference

Conference2013 International Conference on Material Science and Engineering, ICMSE 2013
Country/TerritoryChina
CityGuilin, Guangxi
Period4/10/136/10/13

Keywords

  • CaF
  • Graphite
  • Self-lubricating
  • Tribological behavior
  • ZrO (YO)

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