• Title/Summary/Keyword: Critical moisture content clay-fly ash

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Critical Moisture and Pore Structure of Clay Based Consolidated Body (점토계 고형화소지의 임계함수율과 기공구조)

  • 이기강;박천주;김유택;김석범;김정환
    • Journal of the Korean Ceramic Society
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    • v.34 no.5
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    • pp.528-534
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    • 1997
  • There have been many studies on the preparation of slip, forming and drying in the slip casting process. However, is has not been yet on the rheological properties of consolidated body which largely affect on the workability. It was investugated that the rheological properties of the consolidated bodies formed by slip casting in the form of cakes from well dispersed(slip C) and weakly agglomerated slip(slip B) in the clay and clay-fly ash systems. The state of dispersion of slip was found to affected the critical moisture content which was largely affected by the pore and moisture distribution of the consolidated body. The cake C show lower critical moisture content than cake B in the clay system. However, the cake B gives lower critical moisture content than cake C in the clay-fly ash system.

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