Effect of CuO on self-lubricating properties of ZrO2(Y2O3)–Mo composites at high temperatures |
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| Affiliation: | 1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, People''s Republic of China;2. University of Chinese Academy of Sciences, Beijing, People''s Republic of China |
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| Abstract: | In this paper, ZrO2 matrix high-temperature self-lubricating composites with addition of CuO as lubricant were prepared using a hot-pressing method by tailoring the content of CuO. The wear and friction behaviour of the composites were investigated from 700 °C to 1000 °C. The composites sliding against an Al2O3 ceramic ball exhibited excellent self-lubricating and anti-wear properties at high temperatures. The low friction and wear mechanisms were investigated in detail. |
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| Keywords: | CuO High-temperature self-lubricating Anti-wear |
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