Influence of heat treatment on the plasticity of Georgia kaolin

Shuji Kawai, Yukari Ichikawa, Hideki Ishida, Yasuo Shibasaki, Kiichi Oda

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Plasticity of clay dough is strongly influenced by the formation of buffer domain consisted of clay aggregates. Change in plasticity of Georgia kaolin along with heat treatment was analyzed by examining the variation of the particle packing structure of the dough. The plastic behavior did not change by the heat treatment up to 350°C. However, above 350°C, plasticity was reduced together with micron sized pores existing among aggregates. The lower plasticity arose from destruction of buffer domains, caused by the in-crease of particle size upon sintering.

Original languageEnglish
Pages (from-to)990-993
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume107
Issue number10
DOIs
Publication statusPublished - 1999

Keywords

  • Clay
  • Freeze-drying
  • Heat processing
  • Kaolin
  • Packing structure
  • Plasticity
  • Pore size distribution

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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