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Production of high-flexural-strength corundum ceramics
- Authors: Panasyuk G.P.1, Semenov E.A.1, Kozerozhets I.V.1, Danchevskaya M.N.2, Lukin E.S.3, Belan V.N.1, Voroshilov I.L.1, Azarova L.A.1, Izotov A.D.1
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Affiliations:
- Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
- Lomonosov Moscow State University
- Mendeleev University of Chemical Technology of Russia
- Issue: Vol 485, No 6 (2019)
- Pages: 701-703
- Section: Chemical Technology
- URL: https://journals.eco-vector.com/0869-5652/article/view/14423
- DOI: https://doi.org/10.31857/S0869-56524856701-703
- ID: 14423
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Abstract
A new method was proposed to produce high-flexural-strength corundum ceramics from α-Al2O3 samples synthesized by heat treatment of boehmite AlOOH at 1300 °C for 5 h. It was shown that hydrothermal treatment of MDGA-grade hydrargillite at 200 °C in a 0.4 wt % magnesium acetate solution for 3 days gives finely crystalline boehmite, which is a feedstock for synthesizing corundum ceramics with a flexural strength of 400 MPa.
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About the authors
G. P. Panasyuk
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Author for correspondence.
Email: panasyuk@igis.ras.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
E. A. Semenov
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: panasyuk@igis.ras.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
I. V. Kozerozhets
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: irina135714@yandex.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
M. N. Danchevskaya
Lomonosov Moscow State University
Email: panasyuk@igis.ras.ru
Russian Federation, 1, Leninskie gory, Moscow, 119991
E. S. Lukin
Mendeleev University of Chemical Technology of Russia
Email: panasyuk@igis.ras.ru
Russian Federation, 9, Miusskaya square, Moscow, 125047
V. N. Belan
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: panasyuk@igis.ras.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
I. L. Voroshilov
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: panasyuk@igis.ras.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
L. A. Azarova
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: panasyuk@igis.ras.ru
Russian Federation, 31, Leninsky prospekt, Moscow,119991
A. D. Izotov
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Email: panasyuk@igis.ras.ru
Corresponding Member of the Russian Academy of Sciences
Russian Federation, 31, Leninsky prospekt, Moscow,119991References
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