Sintering and Properties of ZrO2–Al2O3 Composites with Additives Forming Melts Based on Sodium Silicate
| Autor: | Sergey Smirnov, M. A. Goldberg, Valeri V. Smirnov, O. S. Antonova, D. R. Khairutdinova, S. M. Barinov, T. O. Obolkina |
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| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Materials science Sodium General Engineering Sintering chemistry.chemical_element Sodium silicate 02 engineering and technology 021001 nanoscience & nanotechnology Microstructure 01 natural sciences Nanocrystalline material Crystal chemistry.chemical_compound chemistry Phase composition 0103 physical sciences General Materials Science Cubic zirconia Composite material 0210 nano-technology |
| Zdroj: | Inorganic Materials: Applied Research. 11:154-159 |
| ISSN: | 2075-115X 2075-1133 |
| DOI: | 10.1134/s2075113320010359 |
| Popis: | A wide range of compositions of zirconia-based composites containing 0, 5, 10, 20 wt % alumina was studied. The dependences of the formation of microstructure and phase composition on the sintering temperature were established. It was shown that the introduction of additives forming low-temperature melts based on sodium silicates, Na2SiO3 and Na2Si2O5, led to a decrease in sintering temperature by 150–200°C. As a result, dense nanocrystalline materials with a crystal size of 50–200 nm, strength of up to 500 MPa, and sintering temperature of 1300–1400°C were obtained. |
| Databáze: | OpenAIRE |
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