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Highly refractory' material based on magnesia spinel

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Refractories Aims and scope

Conclusions

An increase in the content of commercial alumina in magnesite refractory body to a ratio of MgO∶Al2O3 =1.3, corresponds to an increase in the refractoriness-under-load and 4% compression, increases the spalling resistance with a certain reduction in refractoriness.

Formation of spinel in bodies with a ratio of MgO∶Al2O3 from 3∶1 to 1∶3 occurs at 1600–1650°C.

The refractory material KM-3 on the basis of magnesia-alumina spinel is suitable for making, by the semidry pressing method, saggers, rods, supports, and other components intended for firing ceramic and refractory articles at Temperatures up to 1950°C.

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Literature cited

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Authors and Affiliations

  1. State Sci-Res. Institute of Electroceramics, USSR

    A. Yu. Borisova, É. I. Zin'ko & I. V. Fedina

Authors
  1. A. Yu. Borisova
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  2. É. I. Zin'ko
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  3. I. V. Fedina
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Translated from Ogneupory, No. 7. pp. 58–60, July, 1966.

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Borisova, A.Y., Zin'ko, É.I. & Fedina, I.V. Highly refractory' material based on magnesia spinel. Refractories 7, 418–420 (1966). https://doi.org/10.1007/BF01836506

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  • DOI: https://doi.org/10.1007/BF01836506

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