Evolution of the microstructure and phase composition of materials based on the fluorohydroxyapatite–zirconia–alumina system during sintering |
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| Authors: | V V Smirnov A I Krylov S V Smirnov M A Goldberg O S Antonova T O Obolkina A A Konovalov S M Barinov |
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| Affiliation: | 1.Baikov Institute of Metallurgy and Materials Science,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | We have studied the influence of the sintering temperature, Al2O3 additions, and liquid-forming sintering aids on the phase composition and microstructure of fluorohydroxyapatite-based composite ceramic materials containing 20 and 60% zirconia. The addition of alumina has been shown to prevent secondary recrystallization processes during sintering and contribute to stabilization of tetragonal zirconia. The addition of the sintering aid has made it possible to lower the sintering temperature to 1200°C. |
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