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Refractories and Industrial Ceramics

, Volume 50, Issue 5, pp 387–390 | Cite as

Physicomechanical properties of refractory Al2O3–Si3N4–C materials with ACPC

  • L. A. Angolenko
  • G. D. Semchenko
  • E. E. Starolat
  • S. A. Savina
  • M. A. Kushchenko
  • S. V. Tishchenko
  • V. V. Povshuk
Article
  • 20 Downloads

A study has been made on the effects of the amount of silicon nitride and graphite on the physicomechanical properties of Al2O3–Si3N4–C composites for lining purposes. Adding 2.5–5.0 wt.% silicon nitride and 0.5 wt.% reactive alumina improves the properties, raises their apparent density, and increases the mechanical strength, while reducing the open porosity. Optimized compositions have been determined for refractory materials of Al2O3–Si3N4–C composition, and it has been found that to attain the higher values of physicomechanical properties the amount of graphite should constitute 5–10 wt.%.

Keywords

refractory mass graphite silicon nitride reactive alumina aluminum-chromium phosphate cement 

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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  • L. A. Angolenko
    • 1
  • G. D. Semchenko
    • 1
  • E. E. Starolat
    • 1
  • S. A. Savina
    • 1
  • M. A. Kushchenko
    • 1
  • S. V. Tishchenko
    • 1
  • V. V. Povshuk
    • 2
  1. 1.National Technical University and Kharkov Polytechnical InstituteKharkovUkraine
  2. 2.UkrspetsogneuporZaporozh’eUkraine

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