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Studying tribological characteristics of alumina- and zirconia-based ceramics |
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| Authors: | V. M. Beresnev M. Yu. Smolyakova A. D. Pogrebnyak A. Sh. Kaverina A. A. Drobyshevskaya E. A. Svetlichnyy D. A. Kolesnikov |
| Affiliation: | 1. Karazin Kharkov National University, pl. Svobody 4, Kharkov, 61022, Ukraine 2. Belgorod State University, ul. Pobedy 85, Belgorod, 308015, Russia 3. Sumy State University, ul. Rimskogo-Korsakova 2, Sumy, 40007, Ukraine 4. National Science Center “Kharkov Institute of Physics and Technology”, ul. Akademicheskaya 1, Kharkov, 61108, Ukraine |
| Abstract: | Tribotests of ceramic specimens of various compositions (Al2O3-1% TiO2, ZrO2-5.3% Y2O3, Al2O3-15% (ZrO2 + 5.3% Y2O3)) were carried out under dry friction conditions. It has been shown that all of the specimens have a high wear resistance, while the Al2O3-15% (ZrO2 + 5.3% Y2O3) specimens have the lowest wear rate and the highest microhardness. This is due to the fine-grained structure of these specimens and their higher density compared to that of the other ceramic compositions. |
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