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A high-strength graphite-silica ramming compound

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Refractories Aims and scope

Conclusions

The slag resistance of a silica ramming compound increases more than twofold with the addition of 10% graphite.

The graphite-silica lining can be toughened while in service by adding 3–5% APB and 5% FeSi to the ramming compound. This results in the formation of silicon carbide and a vitreous phase (N=1.480-1.490) containing fine inclusions of metallic silicon.

Trials with the graphite-silicon ramming compound in the lining of 34-ton ladles showed that its durability is 2.4 times greater than that of an all-silica ramming compound. The wear of the experimental lining in service takes the form predominantly of erosion.

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Authors and Affiliations

  1. Dnepropetrovskii Metallurgical Institute, USSR

    S. I. Shcheglov, V. L. Karasik, S. N. Derkach, É. A. Khoinyak & T. F. Raichenko

  2. Dneprospetsstal' Plant, USSR

    S. I. Shcheglov, V. L. Karasik, S. N. Derkach, É. A. Khoinyak & T. F. Raichenko

  3. Ukrainian Scientific-Research Institute for Special-Purpose Steels, Ukraine

    S. I. Shcheglov, V. L. Karasik, S. N. Derkach, É. A. Khoinyak & T. F. Raichenko

Authors
  1. S. I. Shcheglov
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  2. V. L. Karasik
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  3. S. N. Derkach
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  4. É. A. Khoinyak
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  5. T. F. Raichenko
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Additional information

Translated from Ogneupory, No. 12, pp. 30–34, December, 1975.

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Shcheglov, S.I., Karasik, V.L., Derkach, S.N. et al. A high-strength graphite-silica ramming compound. Refractories 16, 762–765 (1975). https://doi.org/10.1007/BF01280625

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  • DOI: https://doi.org/10.1007/BF01280625

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