Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Synthesis of ZnO-Al2O3-Cr2O3 Pigments and Coloring in Glazes

ZnO-Al2O3-Cr2O3 계 안료 합성 및 유약에서의 발색

  • Choi, Soo-Nyong (Department of Materials Science & Engineering, Myongji University) ;
  • Lee, Yong-Seok (Department of Materials Science & Engineering, Myongji University) ;
  • Lee, Byung-Ha (Department of Materials Science & Engineering, Myongji University)
  • 최수녕 (명지대학교 신소재공학과) ;
  • 이용석 (명지대학교 신소재공학과) ;
  • 이병하 (명지대학교 신소재공학과)
  • Published : 2008.05.31
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Abstract

$ZnAl_{1-x}\;Cr_xO_4$ solid solutions were synthesized as pink pigments with and without mineralizer. The pigments were examined to optimize color development conditions of temperature and $Cr_2O_3$ contents. The characteristics of synthesized pigments were analyzed by XRD, XPS, FT-IR and UV-vis spectrophotometer. While samples without mineralizer fired at $1300^{\circ}C$, showed $ZnAl_2O_4$ and $ZnCr_2O_4$ spinel in XRD analysis. While samples with mineralizer resulted in $ZnAl_2O_4$. As a results, the pigments show pink color and most effective pink color was obtained at X=0.15 and $1250^{\circ}C$ when mineralizer was used. The chromatic coordinates are $L^*$ 58.61 $a^*$ 24.48, and $b^*$ 9.60.

Keywords

References

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