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Low-Temperature Degradation of Composite ATZ Ceramics Reinforced via Multiwalled Carbon Nanotubes
Nanotechnologies in Russia Pub Date : 2020-03-11 , DOI: 10.1134/s199507801903008x V. V. Korenkov , A. I. Tyurin , V. V. Rodaev , A. O. Zhigachev , A. V. Umrikhin , T. S. Pirozhkova , Y. I. Golovin
中文翻译:
多壁碳纳米管增强的复合ATZ陶瓷的低温降解
更新日期:2020-03-11
Nanotechnologies in Russia Pub Date : 2020-03-11 , DOI: 10.1134/s199507801903008x V. V. Korenkov , A. I. Tyurin , V. V. Rodaev , A. O. Zhigachev , A. V. Umrikhin , T. S. Pirozhkova , Y. I. Golovin
Abstract—
The influence of water vapor on structural stability and mechanical properties of ceramics based on baddeleite (natural zirconia mineral) and chemically deposited ZrO2 reinforced with carbon nanotubes is studied in this work. These composites are shown to possess high physical and mechanical properties and elevated hydrothermal aging resistance. Composites based on baddeleite and stabilized СаО are characterized via ageing rate of an order of magnitude lower than in the case of commercial ceramics stabilized with Y2О3. The embedding of carbon nanotubes in the composites and the use of spark plasma sintering inhibits the grain growth and amplifies the scale effect in hardness. With that, crack resistance KC under hydrothermal conditions decreases to a lesser extent than in nanotube-free composites.中文翻译:
多壁碳纳米管增强的复合ATZ陶瓷的低温降解