Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Effects of Alkali Oxides on the Cristobalitization of Quartz in Whiteware Body

자기소지에서 Quartz의 Cristobalite화에 미치는 알칼리 금속산화물의 영향

  • 정창주 (전남대학교 무기재료공학과) ;
  • 김남일 (전남대학교 무기재료공학과) ;
  • 오경영 (동신대학교 무기재료공학과)
  • Published : 1992.12.01
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Abstract

This is a study on the effects of cristobalite transition of quartz in semi-vitrious whiteware body, as addition of alkali and alkali earth oxides, prepared by pottery stone, feldspar, kaolin and clay minerals. The amounts of ${\alpha}$-quartz to ${\alpha}$-cristobalite transition, F.O.C. (fraction of cristobalite), were increased with firing temperature. In MgO added body, ${\alpha}$-quartz was decreased and the formation of cristobalite was increased. Effects of K2O addition was remarkably decreased the formation of cristobalite. Additive effects of MgO and K2O were confirmed that it was very different to variation of transition temperature of metakaolinite to Si-Al spinel structure in thermal reaction of kaolinite minerals. Result CaO addition was ineffective to transition temperature, and the transition temperature in Na2O added body was decreased, but relative intensity of quartz and cristobalite crystal in XRD results was decreased. This was characterized by the effects on the formation of liquid phase much more.

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References

  1. Am. J. Sci. v.36 no.4 The Stability Relations of the Silica Minerals C. N. Fenner
  2. The Chemistry and Physics of Clays(4th Ed.) R. W. Grimshaw
  3. Ceramic Data Book v.77/78 碍子用 磁器と その 適用に ついて 藤村哲夫
  4. BS I834-1788-1 특고입 애자개발에 관한 연구 KAIST
  5. Am Mineral. v.39 The Stuffed Derivatives of the Silica Structures M.J. Buerger
  6. J. Am. Ceram. Soc. v.72 no.3 Chemical Stability of β-Cristobalite A.J. Perrotta;D.K. Grubbs;E.s. Martin;N.R. Dando;H.A. McKinstry;C.Y. Huang
  7. J. Am. Ceram. Soc. v.75 no.1 Synthesis of Chemically Stabilized Cristobalite M.A. Saltzberg;S.L. Bors;H. Bergna;S.C. Winchester
  8. J. Jpn. Ceram. Soc. v.96 no.1 Formation of Quartz-like Compounds on Firing Kaolinite-Magnesia Mixture M. Wakamatsu;N. Takeuchi;F. Horiie;S. Ishida;S. Kanaoka
  9. J. Jpn. Ceram. Soc. v.97 no.8 On Quartz in Amakusa Pottery Stone M. Yasuoka;K. Nonobe;K. Okada;N. Otsuka
  10. J. Jpn. Ceram. Soc. v.98 no.10 Quartz in Pottery Stones from Various Localities and Its Cristobalitization N. Otsuka;M. Endo;A. Ueno;M. Yasuoka;K. Okada
  11. Clays and Clay Minerals v.27 no.1 Behavior of Kaolinite Pellets at Elevated Temperatures W.H. Flank
  12. J. Am. Ceram. Soc. v.61 no.3-4 Reexamination of Kaolinite-to-Mullite Reaction Series A.K. Chakraborty;D.K. Ghosh
  13. J. Am. Ceram. Soc. v.61 no.1 Spectroscopic Investigations of the Kaolinite-Mullite Reaction Sequence M. Bulens;A. Leonard;B. Delmon
  14. J. Am. Ceram. Soc. v.62 no.9-10 Reply to the Comment on Structural Analysis of the Transition Phase in Kaolinite-Mullite Thermal Sequence A.J. Leonard;M.J. Genet;J. Lemaitre;M. Bulens;B. Delmon
  15. J. Am. Ceram. Soc. v.75 no.7 Resolution of Thermal Peaks of Kaolinite in Thermomechanical Analysis and Differential Thermal Analysis Studies A.K. Chakraborty
  16. J. Am. Ceram. Soc. v.62 no.3-4 Formation of Silicon-Aluminum Spinel A.K. Chakraborty
  17. J. Am. Ceram. Soc. v.74 no.6 Kaolinite-Mullite Reaction Series;The Development and Significance of a Binary Aluminumsilicate Phase A.K. Chakraborty;D.K. Ghosh
  18. J. Am. Ceram. Soc. v.25 no.1 Catalytic Mullitization of Kaolinite by Metallic Oxide C.W. Parmelee;A.R. Rudriguez
  19. Trans. Brit. Ceram. Soc. v.68 The Effects of Impurities on the Formation of Mullite from Kaolinite-type Minerals K.J.D. Mackenzie