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Additives as a factor in the strength of silicon carbide castings

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Refractories Aims and scope

Conclusions

The strength of silicon carbide castings depends on the pH of the slip and is highest in an alkaline medium (pH 9–11).

A 0.2% sodium alginate solution is the best additive for increasing the strength of silicon carbide castings.

The higher viscosity of silicon carbide slips containing an additive increases the strength of the castings.

An additive in the form of a 4% solution of tetraethylorthosilicate does not influence the strength of the casting but reduces the porosity of silicon carbide castings fired at 1380°C to a significant extent.

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Authors and Affiliations

  1. Ukrainian Scientific-Research Institute of Refractories, Ukraine

    I. P. Safronova, É. V. Degtyareva & I. S. Kainarskii

Authors
  1. I. P. Safronova
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  2. É. V. Degtyareva
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  3. I. S. Kainarskii
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Additional information

Translated from Ogneupory, No. 3, pp. 41–44, March, 1975.

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Safronova, I.P., Degtyareva, É.V. & Kainarskii, I.S. Additives as a factor in the strength of silicon carbide castings. Refractories 16, 170–173 (1975). https://doi.org/10.1007/BF01661218

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  • DOI: https://doi.org/10.1007/BF01661218

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