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Effect of Mo and Ag on the friction and wear behavior of ZrO2 (Y2O3)-Ag-CaF2-Mo composites from 20 °c to 1000°C

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

科研成果: 期刊稿件文章同行评审

44 引用 (Scopus)

摘要

this paper, a series of ZrO2 matrix high-temperature self-lubricating composites were prepared by hot-press technique. The effect of Mo and Ag on the friction and wear behavior of the ZrO2(Y 2O3)-Ag-CaF2-Mo composites in a wide temperature range was investigated. The XRD results showed that CaMoO 4 formed on the worn surface above 400 °C. The excellent lubrication performance of CaMoO4 endowed the low coefficient of friction of the ZrO2(Y2O3)-Ag-CaF 2-Mo composites at high temperatures. The ZrO2(Y 2O3)-10Ag-10CaF2-10Mo composites showed favorable wear resistance at all the tested temperatures which was attributed to the combined action of hardness and phase transformation.

源语言英语
页(从-至)7-13
页数7
期刊Tribology International
78
DOI
出版状态已出版 - 10月 2014
已对外发布

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