Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Effect of Composition Variation and Particle Size of a Bristol Glaze

브리스톨釉藥에 있어서의 組成과 粒度의 影響

  • Eung Keuk Lim (Department of Chemical Engineering, College of Engineering, Seoul National University)
  • 임응극 (서울大學校 工科大學 化學工學科)
  • Published : 19630600
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Abstract

A study was made of the effect of composition changes and particle size on appearance of raw bristol glazes fired at cones 5, 8, and 11. Alumina and silica, alkali and lime variations were made to get some of the more promising glazes determining maturing ranges, modulus of rupture, and other factors such as gloss, smoothness, opacity, eggshelling, crazing, pinholing and crawling for each glaze. Modulus of rupture was measured for the glazes fired at only cone 11.

브리스톨釉藥을 콘 5, 8, 11 番으로 燒成했을때 나타나는 狀態에 對한 組成變化와 粒度의 京鄕을 硏究하여, 밝은 半艶消 또는 艶消釉藥을 얻을 수 있었다. 卽 各 釉藥에 對한 熱成範圍, 曲强度 및 光澤, 平滑性, 乳白度, Eggshelling, 龜裂, Pinholing, Crawling 等에 對한 因子를 決定하므로서 얼마나, 珪酸, 알카리, 石灰를 變化시켜 實際 使用可能한 良好한 釉藥을 얻었다. 製造된 브리스톨釉藥은 最低 콘 5番부터 11번 또는 그 以上에서 긴 熟成範圍를 나타냈다. Crawling의 傾向에 있어서는 ZnO 量이 增加될때 特히 甚했으나, $Al_2O_4:\;SiO_2$의 比가 크고 ZnO 量이 많을때 乳白度가 顯著하였다. 釉藥의 粒子를 가늘게 하면 熱成이 잘되나 微粒이면 Crawling이 커진다. 釉藥두께를 增加해도 Crawling 傾向이 커진다.

Keywords

References

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