Journal of Power System Engineering (동력기계공학회지)

The Korean Society for Power System Engineering (한국동력기계공학회)
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A Study on Bloating of Porous Ceramic

다공성 세라믹의 발포에 관한 연구

  • Kim, Gui-Shik (Major of Mechanical Engineering, Jeju National University) ;
  • Kim, Hyeon-Gwan (Major of Mechanical Engineering, Pusan National University) ;
  • Jeong, Ji-Hyun (Major of Mechanical Engineering, Jeju National University)
  • 김귀식 (제주대학교 기계공학전공) ;
  • 김현관 (부산대학교 기계공학전공) ;
  • 정지현 (제주대학교 기계공학전공)
  • Received : 2012.12.05
  • Accepted : 2013.02.12
  • Published : 2013.04.30
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Abstract

In this study, lightweight aggregate was made from basalt stone powder sludge. Clay and glass powder were respectively added from 0 to 20 wt% and from 0 to 100 wt%. The glass powder helped to form glassy phase which trapped generating gas in the materials. $CaCO_3$ helping bloating process was added from 0 to 10 wt%. It was possible to produce lightweight aggregate at range from $1150^{\circ}C$ to $1200^{\circ}C$. The specimen was heated in furnace at 1100, 1150 and $1200^{\circ}C$ for 15 min, respectively, to sinter aggregates. Chemical composition of materials were determined, and characteristics were analyzed, including specific gravity, water absorption. Lightweight aggregate which was heated at $1200^{\circ}C$ had specific gravity of $0.53g/cm^3$, water absorption of 3.08%, and this value satisfied KS L 8551 standard.

Keywords

References

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