• Constitution and properties of ceramized fireclay refractories: I. Constitution

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      https://www.ias.ac.in/article/fulltext/boms/020/07/0949-0963

    • Keywords

       

      Fireclay; ceramization; constitution; properties

    • Abstract

       

      A poor-grade fireclay was mixed with three nucleating agents, namely Cr2O3, V2O5 and TiO2. The fireclay and oxide mixed fireclay were fired at 1300°C for 1 h, cooled down to room temperature and then heat-treated at 1150°C for 15h. These were also heat-treated at 1150°C for 15 h after cooling down to 1150°C from the peak temperature. The heat-treatment caused ceramization of the glassy phase in the fireclay samples, and the samples, mineralogical composition and microstructure were investigated. Ceramization brought about significant changes in the microstructure only.

    • Author Affiliations

       

      S P Chaudhuri1 B K Bhaumik1

      1. Special Ceramics Section, Central Glass and Ceramic Research Institute, Calcutta - 700 032, India
    • Dates

       
  • Bulletin of Materials Science | News

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