Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effect of Strontium Carbonate Content on Flexural Strength of Clay-Based Membrane Supports

  • Eom, Jung-Hye (Functional Ceramics Laboratory, Department of Materials Science and Engineering, The University of Seoul) ;
  • Kim, Young-Wook (Functional Ceramics Laboratory, Department of Materials Science and Engineering, The University of Seoul) ;
  • Song, In-Hyuck (Engineering Ceramics Group, Korea Institute of Materials Science)
  • Received : 2015.09.15
  • Accepted : 2015.10.13
  • Published : 2015.11.30
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Abstract

The effect of $SrCO_3$ content on the microstructure, porosity, flexural strength, and pore size distribution of clay-based membrane supports was investigated. Green compacts prepared from low cost materials such as kaolin, bentonite, talc, sodium borate, and strontium carbonate were sintered at $1000^{\circ}C$ for 8 h in air. It was possible to control the porosity of the clay-based membrane supports within the range of 33% to 37% by adjusting the $SrCO_3$ content. The flexural strength of the clay-based membrane supports was found to strongly depend on their porosity. In turn, the porosity was affected by the $SrCO_3$ content. The average pore size and flexural strength of the clay-based membrane supports containing 4 wt% $SrCO_3$ were $0.62{\mu}m$ and 33 MPa at 34% porosity.

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References

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