| 크롬 치환에 따른 흑색 세라믹 안료의 발색 특성 연구 |
| 이지현, 황해진1, 김진호, 황광택, 한규성 |
한국세라믹기술원 이천분원
1인하대학교 신소재공학과 |
| Effect of Chrome Substitution on Coloration Characteristics of Black Ceramic Pigments |
| Ji-Hyeon Lee, Hae-Jin Hwang1, Jin-Ho Kim, Kwang-Taek Hwang, Kyu-Sung Han |
Icheon Branch, Korea Institute of Ceramic Engineering and Technology
1Division of Material Science and Engineering, Inha University |
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| ABSTRACT |
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The properties of black ceramic pigments including thermal and glaze stability were systematically investigated so that these pigments could be used to decorate porcelain products. Various compositions of $(Ni,Mn)(Fe,Cr,Mn)_2O_4$ and $Co(Fe,Cr)_2O_4$ powders were synthesised using a solid state reaction method. The obtained $Co(Fe,Cr)_2O_4$ and $(Ni,Mn)(Fe,Cr,Mn)_2O_4$ powders showed single phases of spinel structure after calcination processes at $1000^{circ}C$ and $1200^{circ}C$, respectively. CIE $L^*a^*b^*$ colourimetric parameters of glazed $Co(Fe,Cr)_2O_4$ and $(Ni,Mn)(Fe,Cr,Mn)_2O_4$ pigments were analyzed according to the different amounts of Cr substitution. In addition, the amount of $Cr^{+6}$ remaining in the $Co(Fe,Cr)_2O_4$ and $(Ni,Mn)(Fe,Cr,Mn)_2O_4$ pigments was also measured. |
| Key words:
Black ceramic pigment, Glaze, Solid state reaction, Hexavalent chromium |
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