Activation of Sintering of Zirconia Ceramics by Gamma Irradiation |
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| Authors: | O. S. Antonova V. V. Smirnov M. A. Gol’dberg G. P. Kochanov A. A. Zanin D. R. Khairutdinova L. I. Shvorneva Yu. B. Tyut’kova S. M. Barinov |
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| Affiliation: | 1.Baikov Institute of Metallurgy and Materials Science,Russian Academy of Sciences,Moscow,Russia;2.Blagonravov Institute of Machine Science,Russian Academy of Sciences,Moscow,Russia;3.Mendeleev University of Chemical Technology of Russia,Moscow,Russia |
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| Abstract: | It was studied how gamma irradiation affects the formation of the phase composition and the properties of ZrO2-based ceramics containing various contents of Y2O3, which stabilizes the tetragonal ZrO2 phase. Gamma irradiation favored sintering and a decrease in the content of the monoclinic ZrO2 modification. At a sintering temperature of 1250°C, ZrO2–3 mol % Y2O3 ceramic with a strength of 225 MPa was obtained; this strength is half as high again as that of ceramic synthesized without irradiation. |
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