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Relation between the properties and purity of synthetic mullite ceramic

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Conclusions

The property indices of pure-mullite specimens are high and approach those of pure-oxide products, i.e., creep, volatility and the coefficient of thermal expansion are low, the high-temperature strength is good, spalling resistance is satisfactory, and electrical resistance high. These quality indices are degraded with the addition of impurities.

The properties of mullite 2Al2O3 · SiO2 are almost the same as those of mullite 3Al2O3 · 2SiO2 apart from slight differences in the coefficient of thermal expansion, the electrical resistivity and the strength.

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Authors and Affiliations

  1. D. I. Mendeleev Institute of Chemical Technology, Moscow

    V. S. Bakunov, Vu Ngok Kyong, M. I. Agafonova, K. I. Ryabtsev & D. N. Poluboyarinov

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  1. V. S. Bakunov
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  2. Vu Ngok Kyong
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  3. M. I. Agafonova
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  4. K. I. Ryabtsev
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  5. D. N. Poluboyarinov
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Translated from Ogneupory, No. 4, pp. 32–38, April, 1974.

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Bakunov, V.S., Kyong, V.N., Agafonova, M.I. et al. Relation between the properties and purity of synthetic mullite ceramic. Refractories 15, 233–238 (1974). https://doi.org/10.1007/BF01286271

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  • DOI: https://doi.org/10.1007/BF01286271

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