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Effect of some technological parameters on the properties of corundum refractories

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Refractories Aims and scope

Conclusions

In producing corundum refractories from commercial alumina, the technological parameters of the process can be altered widely with respect to their action on the properties of the goods. The basic parameters are firing temperature, grain-size composition, and the quantity of corundum chamotte, the method of preparing the commercial alumina used as the bond, the incorporation of TiO2 as additive, and the firing temperature of the goods.

By changing the technological parameters it is possible to manufacture products with different porosities and strength values, and also with a high resistance to creep under load at high temperatures.

It is also necessary to set up a production cycle for corundum refractories in which it is possible to alter widely the technological parameters required for manufacturing goods with basic properties, providing real variety in their service conditions.

A technology was developed for producing corundum refractories the creep resistance of which at high temperatures and loads make them promising materials for use in high-temperature gas and air heater units of blast furnaces.

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Authors and Affiliations

  1. Ukrainian Scientific-Research Institute of Refractories, Ukraine

    I. S. Kainarskii, É. V. Degtyareva & I. I. Kabakova

Authors
  1. I. S. Kainarskii
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  2. É. V. Degtyareva
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  3. I. I. Kabakova
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Translated from Ogneupory, No.2, pp. 46–54, February, 1970.

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Kainarskii, I.S., Degtyareva, É.V. & Kabakova, I.I. Effect of some technological parameters on the properties of corundum refractories. Refractories 11, 115–123 (1970). https://doi.org/10.1007/BF01296204

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  • DOI: https://doi.org/10.1007/BF01296204

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