Conclusions
Unfired brick made of magnesite-chromite concrete with periclase cement, tested in several parts of open-hearth furnaces, showed the same resistance as fired magnesite or chrome-magnesite refractories.
Unfired magnesite-chromite brick made of concrete can be used for building structures with air-setting, water-containing cement instead of iron plates.
It is necessary to organize the industrial production of unfired goods made of magnesite-chromite concrete using the method developed by UNIIO for extensive testing and subsequent use in open-hearth furnaces.
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Literature cited
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A. A. Pirogov, Trans. NIIZhB, Acad. Building and Architecture, USSR, Moscow (1962).
A. A. Pirogov and V. P. Rakina, Ogneupory, No. 3 (1959).
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Pirogov, A.A., Leve, E.N., Krass, Y.R. et al. Unfired brick from magnesite-chromite concrete for open-hearth furnace building. Refractories 5, 59–62 (1964). https://doi.org/10.1007/BF01290457
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DOI: https://doi.org/10.1007/BF01290457