| ZnO-Al2O3-Cr2O3 계 안료 합성 및 유약에서의 발색 |
| 최수녕, 이용석, 이병하 |
| 명지대학교 신소재공학과 |
| Synthesis of ZnO-Al2O3-Cr2O3 Pigments and Coloring in Glazes |
| Soo-Nyong Choi, Yong-Seok Lee, Byung-Ha Lee |
| Department of Materials Science & Engineering, Myongji University |
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| ABSTRACT |
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$ZnAl_{1-x};Cr_xO_4$ 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. |
| Key words:
Pink pigments, Mineralizer $ZnAl_2O_4$ |
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