, Volume 36, Issue 7, pp 226–228 | Cite as

Kaolins of the prosyanovskoe and Kyshtymskoe deposits as raw materials for synthesizing cordierite

  • V. N. Antsiferov
  • A. V. Evstyunin
  • S. E. Porozova
Raw Materials


Phase formation in heat treatment of a cordierite charge consisting mainly of talc, alumina, and Kyshtymskoe kaolin is investigated. It is shown that in the temperature range 900 – 1200°C the shrinkage of the cordierite charge is mainly determined by the amount and grade of the kaolin introduced. At higher temperatures the shrinkage is influenced by the reactions of formation of mullite (slower increase in the density) and cordierite (loosening of the structure). It is inferred that in producing cordierite articles by a one-stage technology kaolins depleted of kaolinite are preferable.


Alumina Heat Treatment Shrinkage Kaolinite Phase Formation 
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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • V. N. Antsiferov
    • 1
  • A. V. Evstyunin
    • 1
  • S. E. Porozova
    • 1
  1. 1.Research Institute for Problems of Powder TechnologyPermRussia

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