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Physicomechanical Properties and Phase Composition of Unfired Periclase-Carbon Refractories Based on Modified Phenol-Formaldehyde Resin

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Refractories and Industrial Ceramics Aims and scope

Possibilities for improving the physicomechanical properties of periclase-carbon materials by modifying phenol-formaldehyde resin (PFR) with organo-inorganic complexes are described. The composition of the modifying additives and phase composition of materials after PFR hardening are provided. The effect of modifiers on material structure formation is established. It is shown that introduction of ethyl silicate or hydrolyzed ethyl silicate into liquid PFR during charge preparation contributes to formation of SiC within the phase composition. It is concluded that it is rational to introduce ethyl silicate in an amount of from 0.66 to 1 wt.%, and it is promising to add nickel oxalate into a liquid PFR together with ammonium citrate to increase periclase-carbon material compressive strength up to 60 MPa.

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Authors and Affiliations

  1. National Technical University, Khar’kov Polytechnic Institute, Khar’kov, Ukraine

    D. A. Brazhnik, G. D. Semchenko, G. N. Shabanova, E. E. Starolat, I. N. Rozhko & L. V. Rudenko

Authors
  1. D. A. Brazhnik
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  2. G. D. Semchenko
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  3. G. N. Shabanova
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  4. E. E. Starolat
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  5. I. N. Rozhko
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  6. L. V. Rudenko
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Corresponding author

Correspondence to D. A. Brazhnik.

Additional information

Translated from Novye Ogneupory, No. 3, pp. 29 – 33, March, 2019.

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Brazhnik, D.A., Semchenko, G.D., Shabanova, G.N. et al. Physicomechanical Properties and Phase Composition of Unfired Periclase-Carbon Refractories Based on Modified Phenol-Formaldehyde Resin. Refract Ind Ceram 60, 149–153 (2019). https://doi.org/10.1007/s11148-019-00326-w

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  • DOI: https://doi.org/10.1007/s11148-019-00326-w

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