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Effects of viscosities of slip on slip casting and properties of sintered bodies of cordierite

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2005, 15(5), pp.202-207
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

BAEKYONGHYEOK 1 PokKieChang 1 Kwak Hyo Sup 2

1전남대학교
2대불대학교

Accredited

ABSTRACT

We have investigated the relationship between a viscosity of the slip prepared from kaolin, quartz, Mg(OH)2, etc and its influence on the speed of slip casting and the microstructure of a sintered body. The speed of slip casting decreases as a viscosity of a slip decreases. The optimized viscosity range of a slip was found to be around 3.0~17.0 cP. By careful controlling a viscosity of slip, homogeneous icrostructure of outer surface layers, inner surface layers, intermediate layers, and inside layers were obtained by casting process. The specimen sintered at 1350 oC consists of a cordierite crystalline phase only as a constituent mineral.

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