Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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A Study on the Fast-firing Body with Natural Wollastoitne

천연 규회석을 이용한 신속소성소지 구성에 관한 연구

  • 안영필 (한양대학교 무기재료 공학과) ;
  • 최의석 (한양대학교 무기재료 공학과) ;
  • 김복희 (한양대학교 무기재료 공학과)
  • Published : 1982.02.01
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Abstract

As raw materials wollastonite, kaolin and pyrophyllite were used to synthesize mullite, anorthite and pseudowoll-astonite which were known as low thermal expansion substance. Increasing the amount of wollastonite in the composition resulted in a linear thermal expansion behavior. However, the increases of pyrophyllite indicated the relatively unstable themmal expansion behavior, because the phase transition occured in quartz of the pyrophyllite compositon. To lowering sintering temperature feldspar (Kebook and Anyang) were added in the composition that showed the linear thermal expantion behavior, and over 50'C were lowered.

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References

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