Effect of Variable Base Glaze on the Gradation of Colouring and Analysis of The Computer D-Base

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J. Korean Ceram. Soc. > Volume 36(4); 1999 > Article

Journal of the Korean Ceramic Society 1999;36(4): 333.

기본유의 변화가 안료의 발색에 미치는 영향과 Computer D-base해석

임희진, 최성철

한양대학교 무기재료공학과

Effect of Variable Base Glaze on the Gradation of Colouring and Analysis of The Computer D-Base

ABSTRACT

This research was performed to investigate how the basic glaze change affected colour development at high temperature with a stable colorant (spinel structure CoAl2O4 pigment) The compounded pigment which is widely used for porcelain was also tested for the basic glazes adaptability. The data from the test were recorded in a computer data-base program. Therefore could be easily used in the study related with a pottery field. CoO : Al2O3 system spinel pigment of barium glaze lime glaze zinc glaze lead glaze and talc glaze were chosen for this study. The colors of Cobalt blue bright blue, blue purple were seen at the wave lengths of 455-480nm at the firing temperature of 1250$^{circ}C$. Stable color were obtained from lime glaze bar-ium glaze zinc glaze. All the information in the database were used to examine all the possible result of the test in the study of porcelain. When the test results database were examined in all temperature ranges the lack of adhesion with the pigment occurred at the temperature of 1150$^{circ}C$. The lack of adhesion is seen due to vaporization of the lead glaze.

Key words: Pottery Glaze, database program, Colour gradation