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Tribological properties of ZrO2 (Y2O3)-Mo-BaF2/CaF2 composites at high temperatures |
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| Authors: | Lingqian Kong Qinling Bi Shengyu Zhu Jun YangWeimin Liu |
| Affiliation: | a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China b Graduate University of Chinese Academy of Sciences, Beijing 100039, PR China |
| 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/CaF2-10Mo 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. |
| Keywords: | ZrO2 (Y2O3) BaF2/CaF2 Tribological behavior Wear mechanism |
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